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Flame Retardancy of Polycarbonate-PDMS Copolymer Compositions (.pdf)
retardancy. The greater the value, the more flame. temperature in a desiccator. resistant the material is. The LOI values for copolymer. materials in this discussion; SiPC-T and SIPC-O, are. Surface Measurements. 30.4% and 35% respectively. Both have significantly. XPS is used for characterizing
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Designs that won't go up in smoke
are inherently temperature resistant and provide a low rate of smoke generation. U.S. Federal Railroad Administration imposes limits on the flammability properties of materials used in passenger rail cars. These limits include either flame propagation or surface flame spread, and rate of smoke generation
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ASA
/in. (at -40 F). ASA is resistant to saturated hydrocarbons, low-aromatic gasoline and lubricating oil, vegetable and animal oils, water, aqueous solutions of salts, and dilute acids and alkalis. However, it is attacked by concentrated inorganic acids, aromatic and chlorinated hydrocarbons, esters, ethers
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ABS/SAN
of impact strength, heat resistance, flame retardance, and platability. Most natural ABS resins are translucent to opaque, and they can be pigmented to almost any color. Grades are available for injection molding, extrusion, blow molding, foam molding, and thermoforming. Molding and extrusion grades
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Where foam fits in medical design
characteristics such as retarding bacterial growth or flame, adding color, absorbing or repelling liquids, and inhibiting the effects of UV radiation. Once it cures, the foam consists of individual cells (also called pores) which have completely polymerized and solidified to form a skeletal structure
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PLASTICS REFERENCE GUIDE
in demanding power-train environments. The brown, one-component FastGasket 5964 features low durometer and high elongation for applications in antilock-brake modules, timing-belt covers, and connectors. FastGasket 5965 is a black, one-component, water-resistant foam that doubles in size during
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Closing In With Polyurethane RIM
. Making the medical grade. Enclosures for medical equipment can be an especially demanding application. They often must be flame resistant, stable at high temperatures, cost effective to manufacture in low volumes, and form large, complex parts. Special polyurethane RIM formulations have been
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K 2004: Oktoberfest of polymers
Inalfa Roof Systems. The rotary frame lets the folded roof/rear screen pivot and stow into the recessed boot. The frame is made from Ticona's long-glass-fiber Celstran PA 66-GF40 colored to a special CitroÎn grey. Fortron PPS composites used in the wings of the Airbus A 380 remain hard, impact-resistant