PYRON® Product Forms


Catalog excerpts

PYRON® Product Forms - 2

?For stretch breaking andprocessing into yarns?For cutting into staple > ?For use in nonwovens?For yarns on conventional spinning equipmen t ?Excellent dispersibility in wet-laid nonwovens > ?Excellent thermal and fire resistance alone or in blends with other fibers?Constructions engineered for specific applications > ? Processable into fabrics on looms and knitting machines > PYRON ή is a registered trade name for oxidizedpolyacrylonitrile fibers (OPF) produced by Zoltek.Zoltek has produced PYRON OPF for over 20years and is the largest producer in the world. PYRON starts as...

Open the catalog to page 2
PYRON® Product Forms - 3

PYRON > ή has inherent flame resistance > . . . an effective heat-blocking & fire barrier material AramidFR PolyesterPYRON PYRON > ή retains its appearance,hand and textile characteristics after open flame exposure.PYRON > does not burn* > 1250ΰC flame exposure for 30 seconds Stable Char ή *(in standard ambient air conditions) size="-3">

Open the catalog to page 3
PYRON® Product Forms - 4

PYRON > does not melt or drip . . . it chars! . . . Good Textile Processability > 450040003500300025002000150010005000 35 KW/m2 heat source for 4 min. PYRON ή fibers are electrically nonconductive and functionas an effective electrical insulator even after exposure to heatand open flames. Gas Generation (ppm) PYRON > 8 Electrical Resistivity > PYRON Cotton FR PolyesterNeopreneFoam 8 x 10 ( Hydrogen Chloride Carbon MonoxideHydrogen Cyanide PYRON testing by Omega Point to BBS 7239-88(similar to ASTM E662) size="-4">

Open the catalog to page 4
PYRON® Product Forms - 5

PYRON > ή is an inherently fire resistant fiber specially suited to improve the performance offlame and heat resistant protective apparel. PYRON > has excellent heat insulation propertiesderived from itΒs heat stabilized polyacrylonitrile chemistry and resultant low thermal conductivity. PYRON > liners used in protective apparel have exceptional heat blockingcharacteristics which can help reduce an individualΒs overall heat stress and provide enhanced protection in flashover situations. PYRON > fibers are also durable for reliable service performance as a stand alone fiber or in blends. >...

Open the catalog to page 5

All Zoltek catalogs and technical brochures