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Tinuvin® B 75

Technical Datasheet | Supplied by BASF
Tinuvin® B 75 by BASF is a synergistic blend of 20% Irganox 1135, 40% Tinuvin® 571 and 40% Tinuvin® 765. Acts as a light and heat stabilizer agent. It is an easy to pump, pourable liquid allowing dust free handling, automated dosage and shortening of mixing time. Exhibits resistance to exudation/ crystallization in many PUR systems. Prevents light and weather induced degradation of polyurethane products such as shoe soles, instrument and door panels, steering wheels, window encapsulations and head & arm rests. It can be easily added to aromatic or aliphatic polyurethane systems for thermoplastic moldings, semi-rigid integral foams, in-mold skinning and dope applications. Compatible with natural and pigmented materials. Particularly suitable for preparing light stable color pastes for the above-mentioned systems. Used in polyurethanes such as reaction injection molding (RIM) polyurethane and thermoplastic polyurethane (TPU). Use levels of Tinuvin® B 75 ranges between 0.2% and 1.5%, depending on the substrate and performance requirements of the final application.
Product Type
  • Light Stabilizers / UV Absorbers
  • Heat Stabilizers
Chemical Composition
Synergistic blend of 20% Irganox 1135+40% Tinuvin®571 + 40% Tinuvin®765
CAS Number
Physical Form
Product Status
Applications/ Recommended for
  • PUR
  • TPE and TPV > TPU (or TPE-U)
  • Fibers/ Textiles/ Carpets > Artificial leathers
  • Injection molding- thermosets > Reaction Injection Molding (RIM)
  • Foaming
  • Mechanical/ physical performance > Thermal resistance
Food contact approval

Tinuvin® B 75 Properties


Value & Unit
Test Condition
Test Method
Boiling Point
> 200 °C
Flash Point
> 90 °C
0.95 - 1 g/ml
(At 20°C)
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