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Flame retardant

Longsafe 100F

Green Low-smock Halogen-free Flame Retardant

Producer& LocationLongmore, China


Longsafe 100F is a phosphoric-nitric-mixed low-smock flame retardant used in the rubber industry to enhance the flame resistance of rubber. Visual description: Longsafe 100F is a white powder.

Recommendations for application

Longsafe 100F can be used in EPDM for extrusion and molding black, colorful and white products, which can gives low smoke density, high strength and high oxygen index.

Longsafe 100F can replace the traditionally used antimony-bromine system. During the production, usage, and combustion of the rubber products, toxic and harmful gasses will not be produced, meeting environmental standards of RoHS, PaHS, REACH, and related legal requirements.  

For black products, carbon black is the best filler. It can be used with PW-98, Al(OH)3, CaCO3. But using Mg(OH)2 and silica will reducing the flame retardant properties. Other fillers are subject to testing.


Longsafe 100F is commonly used by adding 110-120 % parts by weight of the rubber and oil products.

Adding zinc oxide (ZnO) or other fillers during initial mixing will improve the dispersion of the Longsafe 100F into the product.

Packing and Storage

Longsafe 100F is packaged as 20 kg/bag. When this product is stored away from direct sunlight in a cool, dry, and well-ventilated area, it should have a shelf life of at least twelve months.

Testing formulation: 

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