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Irganox® PS 800 FL

Technical Datasheet | Supplied by BASF
Irganox® PS 800 FL by BASF is didodecyl 3,3'-thiodipropionate. It is a heat stabilizer in combination with a phenolic antioxidant. Provides general purpose heat stabilization. Provides long-term thermal stability. Used for polyethylene power cables, XLPE power cables, HDPE pipe, polypropylene, polyolefin under-hood automotive applications, styrene homo- and copolymers. Irganox® PS 800 FL recommended dosage level is 0.05-0.1% and in peroxide cross linked power cables is 0.02-0.03% in combination with 0.02-0.03% Irganox® 1035.
Product Type
  • Antioxidants
  • Heat Stabilizers
Chemical Composition
Didodecyl 3,3'-thiodipropionate
CAS Number
Physical Form
Flakes, Crystalline
Product Status
Applications/ Recommended for
  • PE > XLPE (or PEX)
  • PE > HDPE
  • PP
  • Automotive/ Transportation > Under the hood
  • Wiring & Cables
  • Pipes, Hoses & Fittings > Pipes
  • Mechanical/ physical performance > Thermal resistance
Food contact approval

Irganox® PS 800 FL Properties


Value & Unit
Test Condition
Test Method
Melting Point
39 - 41 °C
Flash Point
219 °C
Bulk Density
400 - 450 g/l

Compatiblity with other products

Find products that are predicted to be compatible with Irganox® PS 800 FL.

This list of compatible products is generated out of estimated HSP values. A practical determination of these HSP values would provide higher certainty.
Learn more about Hansen Solubility Parameters (HSP) and their use in predictive formulation.

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