Fire retardant slotwall panel material

Details Fire retardant slotwall panel material Fire retardant slotwall panel material

2003-12-29

2008-10-21

Szekely, Peter (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S567000

Reexamination Certificate

active

07439293

ABSTRACT:
A fire retardant slotwall panel material having multiple slots forming multiple slats on which brackets and other devices can be mounted. The composition of the material for extruding the slotwall panels comprises CPVC, PVC and a fire retardant so that the resulting product will meet at least one of the ASTM E84-01 and UL 723 fire retardant standards. The composition can comprise 60-100 PHR of CPVC, 40-0 PHR of PVC and 20-50 PHR of fire retardant that can be AL Trihydrate. The composition of the material can include other ingredients such as: 2.7-3.3 PHR Zeolite, 0.36-0.44 PHR Blowing Agent, 9-11 PHR Process Aid, 2.475-2.525 PHR Tin Stabilizer, 0.9-1.1 PHR Exter Wax, 0.9-1.1 PHR OPE Wax, 2.7-3.3 PHR Impact Modifier, and 2.7-3.3 PHR TiO2.

REFERENCES:
patent: 4096116 (1978-06-01), Lawson
patent: 4160793 (1979-07-01), Kraft et al.
patent: 5102922 (1992-04-01), Kimura et al.
patent: 6043312 (2000-03-01), Fagher et al.
patent: 7030179 (2006-04-01), Patterson et al.

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