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Cel-Span® 625 Flame Retardants buy in Conroe
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Cel-Span® 625 Flame Retardants

Cel-Span® 625 Flame Retardants

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USA, Conroe
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Cel-Span® 625 is a UL-certified material for the United States and Canada. This material is a V0 halogen-free modified co-polymer polypropylene compound, tailored for injection molding and extrusion applications.


Industries Supplied Injection
Resin Compatibility Drop-in Product
Product Form Pellet
Recommended Loading 100 %

Physical Properties

Molded Test Bar Size 1/8 in
Melt Index cond. E 1.2
Density 1.184
UL 94 at (1/8" & 1/16") V0
Elongation at Break 42 %
Tensile Strength at Peak 7733 psi
Stress at yield (max load) 9481 psi
Modulus (Aunt Young's) 1096 kpsi
Notch Izod (1/8) 1.54 ft/lb/in


This unique product is recommended for electrical sockets, timers, and light fixtures, plus electrical conduit, both smooth and corrugated.

Process Conditions

The proprietary flame additive in Cel-Span® 625 works by intumescences chemistry, which is initiated by heat. This chemical reaction forms a char barrier and thus excludes oxygen from the fuel and temperature sources. We recommend that the barrel zone temperatures be set at 360° - 380°F for optimum processing of electrical conduit both smooth and corrugated types.

Toxicity & Safety

No adverse health effects from the use of Cel-Span® 625 are known. All additives in this formulation are located in the Code of Federal Regulations and have GRAS status. This material is also UL-certified under U.S. code QMFZ2.E308490, and Canadian code QMFZ8.E308490.

Packaging & Storage

Cel-Span® 625 is packaged in 55 pound bags and 1,100 pound Gaylord boxes. We recommend that this product be kept closed in its original container or package in a dry location.

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Cel-Span® 625 Flame Retardants
Cel-Span® 625 Flame Retardants
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