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

                            LUMAsite?shatterproof sheets

                            LUMAsite? Sheets and Diffusers

                            LUMAsite?is American Acrylic's designation for shatterproof sheets cast from 100% acrylic or modified polyester resins. The superior toughness and rigidity of LUMAsite?sheets are the result of reinforcement by an immensely strong web of glass fibers. In sign and display whites and colors these fibers are not visible. In most architectural and designer panels the fibers are deliberately visible, lending a "silken cobweb" effect.

                            LUMAsite?panels retain their strength and color identity even when exposed long years to most severe outdoor conditions. These panels are the result of several decades of co-operation between DuPont and American Acrylic companies.

                            Frost-SOS is a light-diffusing panel with an exotic "silken cobweb" appearance. The random glass fibers contribute remarkable beauty. As a lighting diffuser or light-transmitting architectural panel, Frost-SOS combines striking aesthetics and high light transmission. This effect is also available in delicate tints (Sky-SOS, Jade-SOS).
                            Parchment-SOS is a light-diffusing panel with a subtle "Shoji" effect. As a lighting diffuser or translucent architectural panel, Parchment-SOS combines a clean white appearance and high light transmission (slightly lower than Frost-SOS).
                            Rice-SOS is a light-diffusing panel with a stronger "Shoji" effect. Often used in oriental decor, fixtures, and interior treatments, Rice-SOS panels combine an off-white rice paper appearance (particularly in thinner gauges) and medium-high light transmission.

                             

                            White - 1000 SOS is an opalescent, translucent white panel. Used as a lighting diffuser or translucent architectural panel, casts diffused, glare free light.

                            White varieties for sign and display applications include:

                            White 1020, a translucent sign white commonly used as a sign background for signs illuminated with high-output fluorescent lamps.

                            White 2020, offering similar diffusion in thinner gauge (.045" and .060") for smaller signs, displays and illuminated advertising panels.

                            White 1040, a bright white opaque panel suitable for sign and architectural applications. White 1040 panels are available smooth both sides or pebbled on one side (refer to White 1040-POS)

                            Standard Colors: Ten standard sign colors are available, including translucent ivory, bright translucent colors, a deep translucent blue, opaque browns and black.

                            Physical Property Data
                             Flexural Strength  20,000 psi
                             Flexural Modulus  1,000,000 psi
                             Tensile Strength  14,000 psi
                             Compressive Strength  25,000 psi
                             Impact Str. Izod, notched  6 ft. - lbs / in.
                             Coeff. of Expansion  .00002 in. / in. °F
                            EXIT Fixture diffusers have very high light transmission, and at the same time, sufficient diffusion to mask the light source and minimize "hot spots".

                            Hi-LITE Red is a translucent red diffusing panel.

                            Lite Emerald is a translucent green diffusing panel.

                             

                            Crystal II panels are used in glazing and partition applications requiring high light transmission and superior impact strength. These near-clear panels are supplied with a micrograin gloss finish on both sides, or with a matte or pebbled surface on one side (refer to Crystal II-SOS and Crystal II-POS). The standard micrograin gloss is a medium-reflectivity surface with a slight texture that contributes   less diffusion than the matte or pebbled finishes.

                            By embedding various materials into the panel when casting reinforced acrylic-modified polyester panels, new vistas are opened to the specifier. Woven cane-like embedments with a natural look include Coco Reed, Rattan, and Kane. Honeycomb and Black Lace are knitted fabric embedments with a contemporary look.

                            Embedment of special papers printed with graphics seals the graphics into the panel. Once cast into fiberglass, the sign, display or decorative panel exhibits superior toughness, durability and vandal-resistance. Common applications for graphic embedments include industrial and safety signage, transit sign panels, and interpretive panels for parks, zoos and museums.

                            Diamond Design (DD3448) is the designation given to an embedment panel incorporating 3/4"x 1-1/2" expanded aluminum mesh, resulting in a panel with toughness, rigidity and resistance to penetration. At the same time, the diamond-shaped openings form an attractive pattern that allows generous passage of light.

                             

                             
                             
                             
                            Light Transmissions for
                            Lighting / Architectural varieties:
                            Thickness 
                            Color 
                            .045 .060 .090 .125 .150 .180 .250
                             
                            Frost-SOS
                            Parchment-SOS
                            82 80
                            71
                            76
                            70
                            72
                            68
                            69 64 59
                             
                            Rice-SOS
                            White 1000-SOS

                            71
                            72
                            70
                            65
                            62
                            61
                            58

                            55

                            49

                            42
                             
                            Sky-SOS
                            Jade-SOS
                              52
                            62
                            46
                            55
                            41
                            48
                                 
                            Light Transmissions for
                            Sign background, lightbox, and EXIT varieties:
                            Thickness 
                            Color 
                            .040 .060 .100 .125 .150
                             
                            White 1020
                            White 2020
                            Ivory 02146
                            Yellow 02037
                            Red 315

                            42
                            46
                            39
                            50
                            40
                            12
                            35

                            42
                            32
                            8
                            30

                            39
                            26
                            7
                            24
                             
                            Hi-Lite Red
                            Lite Emerald
                            19
                            26
                            18      
                            All Light transmissions are determined using an incandescent light source, and are relative to air (air=100%)
                            Available Sheet Sizes
                            All standard colors except "Diamond Design" varieties are manufactured in the following sizes (minimum order quantities my apply):

                             


                            3' x 8'
                            3' x 10'
                            4' x 6'
                            4' x 8'
                            4' x 10'
                            The following sheet sizes are available in Frost-SOS, White 1020, White 1040, and Yellow 02037:

                             



                            4' x 12'
                            5' x 8'
                            5' x 10'
                            5' x 12'

                             

                            Minimum Radius Recommendations
                            for installation along a simple curve
                            Thickness Minimum Radius*
                            .060* 5 feet
                            .090* 8 feet
                            .125* 12 feet
                            *Not applicable to Crystal II varieties. Only gentle simple curvature should be imparted to the Crystal II variety in any thickness.

                             

                             

                            Installation and Maintenance of LUMAsite?/font> sheets

                            Most varieties of LUMAsite?sheets, including Frost-SOS, are acrylic panels reinforced with glass fibers that are cast into the panels during manufacture. Some varieties have a micro-grain gloss finish on both sides. Other varieties have a micro-grain gloss finish on one side, and a cast-in satin finish on the other (these varieties are denoted by an SOS suffix).

                            Protect the surfaces during fabrication. Sheets up to .125" thickness are readily cut using a power-shear capable of cutting 10 gauge mild steel. Saw-cutting is readily accomplished using abrasive blades of the kind used to cut masonry. Use a relatively slow feed rate. (Although carbide-toothed circular blades can be used for small cutting jobs, the blade will dull quickly and may overheat.)

                            Use a high-speed twist drill (or hole saw for larger holes) to drill LUMAsite?sheets. Clamp the sheet to a firm backing for drilling. Use water if necessary to cool the drill (dip the drill tip into a cup of water). Wear eye protection when using power tools. Wear a dust mask if necessary to avoid breathing the saw dust. Refer to the MSDS for other important safety information.

                            LUMAsite?sheets are ordinarily installed by mechanically fastening them in place.
                            Pre-drill slightly oversize holes for fasteners. Use metal fasteners, with bonded (metal/rubber) washers to fasten panels in place. In vertical applications, hang the panel first (install fasteners adjacent to the top edge, but no closer than ?quot; from the edge) such that the panel is not resting on the bottom edge. Then install remaining fasteners working from top to bottom. Most sealants, including silicone varieties, work satisfactorily. For outdoor applications, acrylic foam tape is recommended under joints and fastener lines.

                            LUMAsite?sheets are often used (usually in .090" or .125" thickness) as lighting diffuser panels, installed in a T-bar grid. Refer to the Lighting Specification page, which includes guidelines for panel sizes and thicknesses.

                            Maintenance of LUMAsite?sheets after installation primarily involves cleaning the surfaces of the material. Most dirt and soiling are readily removed using a non-abrasive soap and water applied with a sponge or soft brush, then rinsing. Do not use abrasive soaps or polishes. Note that using abrasive cleaners on the surface can change the reflectivity (making a shiny spot on the satin surface, for example), and can otherwise scratch the surfaces.

                            Note that LUMAsite?sheets are acrylic-based materials, and some solvents will damage the surface. Do not use chlorinated solvents, paint removers, lacquer thinner, acetone or methyl ethyl ketone. To remove marker, crayon and some paints from LUMAsite?sheets, rubbing alcohol or mineral spirits can be used (with adequate ventilation and awareness of flammability). “Soft Scrub? cleaner can also be used on LUMAsite?sheets.

                            Flammability

                            LUMAsite?/strong> sheets are combustible. Fire precautions similar to those appropriate for wood-based products should be observed.

                            Fiberglass-reinforced acrylic classifies as a CC 2 material, which means that it exhibits a burning rate of less than 2-1/2-inches per minute when tested by the ASTM D-635 method.

                            Some reinforced acrylic varieties of LUMAsite?sheets, include Frost-SOS and White 1000-SOS, are available in a type FR (fire-retardant) that classifies as a CC 1 material in .090" and thicker gauges, which means that the material stops burning when tested by the ASTM D-635 method.

                            Type FR panels also fall into a Class C category (NFPA 255) in some thicknesses, which means that they exhibit flamespread and smoke density values within specific ranges when tested by the ASTM E-84 method. Additional information regarding burning characteristics can be supplied upon request.

                            Note that no fire-retardant version of the Crystal II or embedment varieties is available.

                             


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                            Also see LUMAgard Bullet Resistant Fiberglass Sheets

                             



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