The intensive tests include the vertical flame, CWZ (fire, water and mechanical impact), smoke density
measurement and fire resistance tests where the cables are verified for circuit integrity during a fire.
In flexible PVC cable sheathing, 50 phr UltraCarb can provide much lower smoke density
by ASTM D2843 and similar LOI, compared with an equal amount of ATH.
The material meets AITM Smoke Density
and Toxicity Requirements, and its non-halogenated formulation has a favorable health profile.
Natural-FR in third party laboratory testing has passed the following criteria for a flooring application, and is authorized for use in entrance matting in London Underground stations: smoke density
, smoke toxicity, heat release rate, flame spread, ignitability, and dry and wet slip resistance.
How best to meet the requirements for fire resistance (how fast a cable burns), smoke density
(the quantity of smoke they produce), and toxicity (the potential effect on humans from the smoke), was an issue for years that pitted "halogen-free" supporters against major manufacturers of traditional cable and conduit materials.
The new epoxy resin system, EPON(TM) FlameX Resin 9600 / EPIKURE(TM) FlameX Curing Agent 9700, is halogen and phenolic free and, in infused glass laminate composite parts, has passed various burn tests for vertical burn, smoke density
and smoke toxicity.
8, significant difference is observed between smoke density
of various fuels at noload and full load, but the change was very insignificant at low load of the engine.
By contrast, Clear Lexan XHR2HC1 and Lexan XHR2HC2 sheets are one- or two-sided hard coated sheet options that -- because of their coating -- meet the industry's robust 60 second vertical burn performance, smoke density
OSU 65/65 heat release standards, and OEM toxicity requirements.
This allows favorable smoke density
and toxicity values to be attained and also complies with the WEEE and ROHS directives.
Lexan Light sheets meet typical industry flame, smoke density
and toxicity requirements (BSS7239, ABD0031).
The unfilled AvaSpire PAEK grade also meets Federal Aviation Administration (FAA) flammability, smoke density
, and toxic gas emission (FST) requirements.
The synergistic flame retardant effects of ammonium polyphosphate (APP) with LDH in etbylene-vinyl acetate (EVA) composites were studied using limiting oxygen index (LOI), UL 94 test, cone calorimeter test (CCT), and smoke density