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                            San Diego Plastics
                            2220 McKinley Avenue
                            National City  CA  91950
                            800/925-4855   619/477-4855   FAX 619/477-4874
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                            PHENOLIC

                            BUY PHENOLIC SHEET ONLINE - CLICK HERE

                            Phenolic sheet Phenolic tubes
                            PROPERTIES
                            • Excellent dielectric strength
                            • Good machinability
                            • Light weight
                            • Heat and wear resistant
                            • Resists corrosion and chemicals
                            • Good mechanical strength & dimensional stability
                            • Low moisture absorption

                               
                            APPLICATIONS
                            • Terminal boards
                            • Switches
                            • Bearings
                            • Gears
                            • Wear strips
                            • Gaskets
                            • Washers
                            • Transformers
                            • Machining components
                            • Industrial laminates

                            Phenolic sheet is a hard, dense material made by applying heat and pressure to layers of paper or glass cloth impregnated with synthetic resin. These layers of laminations are usually of cellulose paper, cotton fabrics, synthetic yarn fabrics, glass fabrics or unwoven fabrics. When heat and pressure are applied to the layers, a chemical reaction (polymerization) transforms the layers into a high-pressure thermosetting industrial laminated plastic.

                            PAPER REINFORCED PHENOLIC

                            NEMA X per MIL-I-24768/12 PBM
                            NEMA XX per MIL-I-24768/11 PBG
                            NEMA XXX per MIL-I-24768/10 PBE
                            Normal electrical applications, moderate mechanical strength, continuous operating temperature of 250°F.

                            CANVAS REINFORCED PHENOLIC

                            NEMA C per MIL-I-24768/16 TYPE FBM
                            NEMA CE per MIL-I-24768/14 TYPE FBG
                            Good mechanical and impact strength with contiunuous operating temperature of 250°F.

                            LINEN REINFORCED PHENOLIC

                            NEMA L per MIL-I-24768/15 TYPE FBI
                            NEMA LE per MIL-I-24768/13 TYPE FBE
                            Good mechanical & electrical strength. Recommended for intricate high strength parts. Continuous operating temperature 250°F.

                            NYLON REINFORCED PHENOLIC

                            NEMA N-1 per MIL-I-24768/9 TYPE NPG
                            Superior electrical properties under humid conditions, fungus resistant, continuous operating temperature of 160°F.

                            PHENOLIC PROPERTY COMPARISON CHART

                            PHENOLIC COLOR CHIP GALLERY - CLICK HERE

                            Phenolic Chip Gallery - Click Here

                            MADE WITH USED IN FEATURES NEMA GRADE COLOR
                            PAPER
                            PHENOLIC
                            Mechanical grade, intricate punch parts, insulating washers, switch bases. terminal boards Requires little to no preheating. good cold shearing, cold punch
                            XP
                            XP
                            XP
                            Tan
                            Black
                            Chocolate
                            PAPER
                            PHENOLIC
                            Mechanical grade, intricate punch parts Excellent cold punch and cold shearing
                            XPC
                            XPC
                            XPC
                            Chocolate
                            Tan
                            Black
                            PAPER
                            PHENOLIC
                            Mechanical grade, punch parts 3/32" max thickness Non Nema, warm punch Tan Chocolate Black
                            PAPER
                            PHENOLIC
                            Mechanical grade Non Nema, warm punch Tan Chocolate Black
                            PAPER
                            PHENOLIC
                            Mechanical grade, terminal boards, structural parts, switch bases, washers, panels General purpose. high mechanical strength, electrical properties are secondary X Natural
                            PAPER
                            PHENOLIC
                            Electrical grade, switch board panels, relay and switch bases, breaker arms, barriers Electrical insulation in dry or humid conditions, good machining, fair mechanical strength
                            XX
                            XX
                            Natural
                            Black
                            PAPER
                            PHENOLIC
                            Electrical grade, panel boards, high voltage switch, gear, radio, television panels Electrical insulation, high humidity resistance, good dimensional stability, excellent resistance to splitting
                            XXX
                            XX
                            Natural
                            PAPER
                            PHENOLIC
                            Mechanical grade, intricate punch parts, insulating washers, switch bases, terminal boards Solid black color throughout, requires little to no preheating, good cold shear and punch XP Black
                            PAPER
                            PHENOLIC
                            Mechanical grade, thick punch parts 3/32" through 1/4" Ultra Soft punch plate, cold punch. Solid black color throughout
                            XPC
                            XPC
                            Natural
                            Black
                            PAPER
                            PHENOLIC
                            Electrical grade, punch parts, electronic equipment, insulating washers and spacers Electrical insulation, low dielectric losses in severe humidity, warm punch XXP Tan
                            PAPER
                            PHENOLIC
                            Electrical grade, punch parts, radio & TV terminal boards, panels, U.L. listed as 65M03 unclad Cold punch and shearing, high insulation resistance and low dielectric losses under severe humidity XXXPC Natural
                            FINE WEAVE COTTON CLOTH PHENOLIC Mechanical grade, fine tooth gears, radio parts, terminal boards High mechanical strength, good appearance, good machining qualities L Natural
                            FINE WEAVE COTTON CLOTH PHENOLIC Electrical - mechanical grade, marine relay bases, terminal bases and strips, radio parts, high humidity applications Electrical and mechanical strength, moisture resistance
                            LE
                            LE
                            Natural
                            Black
                            FINE WEAVE COTTON CLOTH PHENOLIC Mechanical grade - for fine machined parts, gears, radio parts, terminal boards Fine weave canvas where better than CE machining characteristics are required & grade L cannot be justified Natural
                            MEDIUM WEAVE COTTON CLOTH PHENOLIC Mechanical grade, gears, pinions, spacers, structural applications Economy grade, high impact strength, good mechanical properties C Natural
                            MEDIUM WEAVE COTTON CLOTH PHENOLIC Mechanical - electrical grade, small gears, pinions, radio parts, marine switch board panels Economy grade, good acid resistance, low voltage, low frequency electrical performance CE Natural
                            MEDIUM WEAVE COTTON CLOTH PHENOLIC Mechanical grade, marine bearings, piston and packing rings, pump valve, doctor blades, marine Phenolic Low moisture absorption, dimensional stability Natural
                            MEDIUM WEAVE COTTON CLOTH PHENOLIC Mechanical grade, valves, plating tanks Low moisture absorption, good dimensional stability, good resistance to acids and alkalies Natural
                            MEDIUM WEAVE COTTON CLOTH PHENOLIC Mechanical grade, support blocks, spacers for liquid oxygen tanks Special formulation for cryogenic applications, property retention at extremely low temperatures Natural
                            MEDIUM WEAVE COTTON CLOTH PHENOLIC Mechanical grade, packing rings, pistons, bearings Canvas with molybdenum disulfide, low coefficient of friction Green
                            MEDIUM WEAVE COTTON CLOTH PHENOLIC Mechanical grade, wire stranders, heat dissipation applications Canvas with copper screen Natural
                            MEDIUM WEAVE COTTON CLOTH PHENOLIC Mechanical grade, pistons, packing rings, textile mill bearings Canvas with graphite, self-lubricating, low coefficient of friction Black
                            GLASS CLOTH MELAMINE Electrical - mechanical grade, switch board panels, arc barriers, circuit breaker parts, structural electrical parts High mechanical strength high arc and heat resistance, self-extinguishing, excellent electrical properties under dry conditions G-5 Gray
                            GLASS CLOTH MELAMINE Electrical - mechanical grade, marine switch board panels, structural parts High mechanical strength, high arc and heat resistance, self-extinguishing, excellent electrical properties under dry and humid conditions G-9 Gray
                            GLASS CLOTH SILICONE Electrical grade, class H insulation, heating-appliance insulation Good electrical properties under humid conditions, excellent heat and arc resistance, self-extinguishing G-7 White
                            GLASS CLOTH EPOXY Electrical - mechanical grade, terminal boards, high humidity applications, U.L. listed as 65M38 unclad High flexural, impact and bond strength at room temperatures, good electrical properties under dry and humid conditions G-10 Green
                            GLASS CLOTH EPOXY Electrical - mechanical grade, rotor slot insulation, structural members at elevated temperatures High mechanical strength at temperatures up 150°C, retains 50% of its flexural strength at elevated temperatures G-11 Green


                            Typical properties of PHENOLICS

                            ASTM or UL test Property General purpose Impact Non bleeding Electrical Heat resistant Glass reinforced Chemical resistant compound
                            PHYSICAL
                            D792 Specific gravity 1.35- 1.46 1.36- 1.41 1.37- 1.38 1.36- 1.75 1.41- 1.84 1.7- 2.0 1.37- 1.75
                            D570 Water absorption, 24 hours, 1/8 inch thick (%) 0.6-0.7 0.6-0.9 0.8-0.9 0.05- 0.20 0.30- 0.35 0.05- 0.2 0.20- 0.40
                            MECHANICAL
                            D651 Tensile strength (psi) 6,500- 7,000 6,000- 7,000 6,000- 7,000 5,000- 7,000 5,000- 6,000 6,000- 12,000 7,000- 9,000
                            D790 Flexural modulus (10~5 psi) 11-13 12 10 17-25 14 20-30 10
                            D790 Flexural strength (psi) 9,000- 11,000 10,000 10,000 9,000- 11,000 10,000 12,000- 24,000 9,500
                            D256 Impact strength, izod (ft-lb/in. of notch) 0.30- 0.35 0.6- 1.05 0.28 0.28- 0.45 0.26 0.4-1.5 0.50
                            D785 Hardness, Rockwell E 70-95 82 82 75-88 94 92-104 76
                            THERMAL
                            C177 Thermal conductivity (10~4 cal - cm/sec- cm~2- °C) 7.1 7.9 - 16.0 - - 8.8
                            D696 Coefficient of thermal expansion (10~5 in./in.-°C) 3.95 3.56 4.40 2.60 2.80 1.80 3.60
                            D648 Deflection temperature (°F)
                            At 264 psi

                            275-360

                            270-500

                            370

                            310-400

                            330-380

                            370-550

                            360-430
                            UL94 Flammability rating 1/8 inch V-1 HB - V-0 V-0 V-0 HB
                            ELECTRICAL
                            D149 Dielectric strength (V/mil) short time, 1/8 in. thick 350 350-400 200 400 170 400 175
                            D150 Dielectric constant At 1kHz 5.2-5.3 5.2-5.4 - 4.9-6.5 11.7 4.4 7.8
                            D150 Dissipation factor At 1kHz 0.04- 0.05 0.04- 0.06 - 0.025- 0.10 0.15 0.03 0.12
                            D257 Volume resistivity (ohm-cm) At 73°F, 50% RH 10~11- 10~12 10~11- 10~12 10~12 10~11- 10~13 10~12 10~12 10~11
                            D495 Arc resistance(s) 100 50 - 184 181 181 -

                            CLICK HERE FOR A PHENOLIC PROPERTY COMPARISON CHART

                            Thermoset Plastic Laminate.

                            Thermoset Plastic Laminate is a uniformly dense and structurally strong material that will not soften appreciably under the reapplication of heat. It is an extremely durable plastic that is lightweight and moisture resistant. Industrial laminates are thermoset resin impregnated reinforcing materials (paper, cotton fabric, glass fabric, etc.) that are cured under heat and pressure to form solid shapes having high mechanical and electrical insulating properties. Laminates are available in sheet, rod, tube, and angle. Since laminates are comprised of a combination of materials, they are also referred to as composites.
                            Standard stock grades include:

                            G1O/FR4 Glass Reinforced Epoxy - natural (yellowish to light green) The most versatile all around laminate, this grade is a continuous glass woven fabric base impregnated with an epoxy resin binder. It has extremely high mechanical strength, good dielectric loss properties, and good electric strength properties, both wet and dry. Certifies to Mil-I-24768/27 GEE-F

                            G11/FRS Glass Reinforced Epoxy - natural (yellow green to amber) This grade is similar to G10/FR4, with the addition of a higher operating temperature and some improved mechanical strength at elevated temperatures. Certifies to Mil-I-24768/28 GEB -F

                            G5/G9 Class Reinforced Melamine - natural (grayish brown) This grade is composed of a continuous glass woven cloth base impregnated with a melamine resin binder. Melamine is the hardest of all laminates, exhibiting good dimensional stability and are resistance. It is also caustic resistant. Certifies to Mil-I-24768/1 CME

                            G7 Glass Reinforced Silicone - natural (cream to white) Composed of a continuous glass woven cloth base impregnated with a silicone resin binder,this grade has excellent heat and are resistance. It has extremely good dielectric loss properties under dry conditions and good electrical properties under humid conditions, although the percentage of change is high. Certifies to Mil-I-24768117 GSG

                            X/XX/XXX Paper Reinforced Phenolic - natural (tan) This grade is composed of a paper base impregnated with a phenolic resin binder. It has good electric strength properties with fair mechanical strength. Outstanding for use as template material and or backup material. Certifies to Mil-I-24768112 PBM,I11 PBG and /10 PBE

                            C/CE Cotton Fabric Reinforced Phenolic - natural (light tan to brown) This grade is composed of a continuous cotton woven cloth impregnated with a phenolic resin binder. This grade contains a medium weave canvas and is known primarily for it's mechanical properties. This grade is not recommended for primary insulation. Certifies to Mil- I-24768/14 FBG

                            Linen L/LE Cotton Fabric Reinforced Phenolic - natural (light tan to brown) This grade is composed of a continuous cotton woven cloth impregnated with a phenolic resin binder. This grade contains a fine weave linen and, like the canvas phenolic, is known for it's mechanical properties. The finer weave allows for machining more intricate details than Canvas, like gear teeth. This grade is not recommended. for primary insulation. Certifies to Mil-I-24768/13 FBE

                            Mat Glass Reinforced Polyester - GPO-1 (tan) and GPO-3 (red) These grades are composed of random mat (non-woven) fiberglass reinforcement held together by a polyester resin binder. GPO-3 offers superior arc and track resistance.

                            THERMOSET SHEET TOLERANCES
                            All measurements are in inches
                            THICKNESS
                            Decimal
                            Inches
                            ALL
                            Glass
                            Grades
                            ALL
                            GPO
                            Grades
                            ALL
                            Paper
                            Grades
                            C
                            Canvas
                            Grade
                            CE
                            Canvas
                            Grade
                            L
                            Linen
                            Grade
                            LE
                            Linen
                            Grade
                            .005
                            ±.001
                            -
                            -
                            -
                            -
                            -
                            -
                            .010
                            ±.002
                            -
                            ±.002
                            -
                            -
                            ±.003
                            ±.003
                            .015
                            ±.003
                            -
                            ±.0025
                            -
                            -
                            ±.0035
                            ±.0035
                            .020
                            ±.004
                            -
                            ±.003
                            -
                            -
                            ±.004
                            ±.004
                            .025
                            ±.0045
                            -
                            ±.0035
                            -
                            -
                            ±.004
                            ±.004
                            .031
                            ±.0065
                            ±.0075
                            ±.0035
                            ±.0065
                            ±.0065
                            ±.005
                            ±.005
                            .047
                            ±.0075
                            -
                            ±.0045
                            ±.0075
                            ±.0075
                            ±.0055
                            ±.0055
                            .062
                            ±.0075
                            ±.0075
                            ±.005
                            ±.0075
                            ±.0075
                            ±.006
                            ±.006
                            .093
                            ±.009
                            ±.009
                            ±.007
                            ±.009
                            ±.009
                            ±.007
                            ±.007
                            .125
                            ±.012
                            ±.010
                            ±.008
                            ±.010
                            ±.010
                            ±.008
                            ±.008
                            .156
                            ±.015
                            ±.011
                            ±.009
                            ±.011
                            ±.011
                            ±.009
                            ±.009
                            .187
                            ±.019
                            ±.0125
                            ±.010
                            ±.0125
                            ±.0125
                            ±.010
                            ±.010
                            .250
                            ±.022
                            ±.015
                            ±.012
                            +.030
                            ±.015
                            +.024
                            ±.012
                            .312
                            ±.026
                            -
                            ±.0145
                            +.035
                            ±.0175
                            +.029
                            ±.0145
                            .375
                            ±.030
                            ±.020
                            ±.017
                            +.040
                            ±.020
                            +.034
                            ±.017
                            .437
                            ±.033
                            -
                            ±.019
                            +.044
                            ±.022
                            +.038
                            ±.019
                            .500
                            ±.036
                            ±.024
                            ±.021
                            +.048
                            ±.024
                            +.042
                            ±.021
                            .625
                            ±.040
                            ±.027
                            ±.024
                            +.053
                            ±.027
                            +.053
                            ±.024
                            .750
                            ±.043
                            ±.029
                            ±.027
                            +.058
                            ±.029
                            +.054
                            ±.027
                            .875
                            ±.046
                            -
                            ±.030
                            +.062
                            ±.031
                            +.060
                            ±.030
                            1.000
                            ±.049
                            ±.033
                            ±.033
                            +.065
                            ±.033
                            +.065
                            ±.033
                            1.250
                            ±.055
                            -
                            ±.037
                            +.073
                            ±.037
                            +.073
                            ±.037
                            1.500
                            ±.061
                            -
                            ±.041
                            +.081
                            ±.041
                            +.081
                            ±.041
                            1.750
                            ±.067
                            -
                            ±.045
                            +.089
                            ±.045
                            +.089
                            ±.045
                            2.000
                            ±.073
                            -
                            ±.049
                            +.097
                            ±.049
                            +.097
                            ±.049
                            Sheet tolerance thickness - At least 90% of the sheet will measure within the tolerance given in the above table.

                            Sheet tolerance Length and Width - The tolerance in length and width of standard sheet sizes will be plus or minus 1" from standard.

                            Thickness
                            range "
                            from - to
                            Percentage
                            warp & twist
                            allowed
                            36" width
                            warp (")
                            allowed
                            48" length
                            warp (")
                            allowed
                            .031 - .062
                            5.0%
                            1.800
                            2.400
                            .063 - .125
                            2.5%
                            .900
                            1.200
                            .126 - 2.50
                            1.0%
                            .360
                            .480
                            .251 - .750
                            0.5%
                            .180
                            .240
                            .750 - max
                            0.25%
                            .090
                            .120
                            Sheet tolerance Warp and Twist - In the case of warp, this percentage is stated in terms of the lateral dimensions (length or width); in the case of twist, one corner to the diagonally opposite corner.

                            ** The value for grade G-7 is 1.5 percent
                            Note 1- These values do not apply to cut pieces but only to sheet sizes manufactured.
                            Note 2- For method of measuring warp and twist, see ASTM-D-709

                            Also see Property Comparison Chart Click Here

                             


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