Clariant Exolit OP 550 is a slightly turbid yellow liquid flame retardant specifically formulated for polyurethane foam applications. This medium-viscosity reactive additive combines high phosphorus content with excellent aging resistance and non-migrating properties. The product demonstrates stable performance in various PU formulations while maintaining compatibility with common foam production processes.
Aging Resistance - Long-term performance stability
Non-Migrating - Prevents surface blooming
Halogen-Free - Environmentally preferred solution
Thermal Stability - Withstands foam processing
Flexible PU Foam - Furniture cushioning materials
Automotive Seating - Comfort with fire safety
Mattress Cores - Sleep product safety enhancement
Acoustic Insulation - Building noise control foams
Physical Form | Yellow viscous liquid |
Viscosity | ≤3,500 mPa·s |
Phosphorus Content | 16-18% |
Density | 1.31 g/cm³ |
Acid Value | ≤2 mg KOH/g |
Hydroxyl Value | ≤170 mg KOH/g |
Packaging | 1kg/130kg/1000kg |
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