Flame Retardant Used for PU Rigid Foam---FR-631

FR-631 is commonly used in both rigid polyurethane (PUR) and poyisocyanurate (PIR) foams, which can meet the GB8624-2012-B1&B2 fire standard. It extends pot life by adding kinds of assistants in polyester polyol.

Technical Specification
Appearance: colorless to pale yellow transparent liquid
Viscosity (mPa.s@25℃): 30 
Acidity (mgKOH/g): ≤0.10
Water content (%wt): ≤0.10

Safety Information
In any case, please wear suitable protective clothing prior to utilization, such as nonfibrillated fiber long-sleeved clothing, latex gloves, safety goggles etc..
Avoid the inhalation of vapor or mist. In case of direct contact with eyes or skin, rinse immediately with plenty of water and seek medical advice.
In case of ingestion, rinse mouth with water and drink milk or eat egg white, and seek medical advice.

Package, Storage and Transportation
200kg/steel drum, 1000kg/IBC
It must be stored in cool, dry and well ventilated area away from direct sun exposure. Its shelf life is 12 months.
It’s non-dangerous chemical and can be transported as general chemical.



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