Flame Retardant Polyether CH-1705 is a new structural flame retardant obtained by polymerization of a nitrogen-phosphorus compound initiator with propylene oxide, epichlorohydrin, and foaming agents, flame retardants, polyether polyols and polyester polyols. Has good compatibility, due to the low viscosity of the product, the use of more convenient. The use of this product eliminates the need to add flame retardants. The foam made from black and white 1:1 will self-extinguish from heat and the foam will not shrink. Using CH-1705 synergistic flame retardant polyester and additive flame retardant, the oxygen index LOI can reach more than 30, reaching the B1 level standard in GB/T8624-2012.
Physical indicators:
Appearance: yellow transparent liquid, no mechanical impurities
Hydroxyl value: 190~240mgKOH/g
Water: ≤0.15%
pH: 9~11
Viscosity: 1500~2500mPa·s/25°C
Features: This product is a structural flame retardant, the obtained foam has good flame retardancy, compressive strength and dimensional stability.
Applications: B1, B2, B3 flame retardant sheet and spray polyurethane foam.
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