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Rostabil DDPP is an alkyl-aryl phosphite in the form of a clear, homogeneous liquid with a characteristic, delicate fragrance. It is used as a process stabilizer in plastics processing. It prevents degradation of polymer materials providing thermal and process protection. The use of Rostabil DDPP stabilizer eliminates the effect of yellowing of materials. It significantly enhances the color stability of pigment-containing materials and provides transparency to non-pigmented products.

Functions: Antioxidant, Heat Stabilizer, Stabilizer, Thermal Stabilizer

Chemical Family: Phosphorous-based Compounds

Labeling Claims: Other Labeling Claims

Compatible Polymers & Resins: Polyvinyl Chloride (PVC), Styrene Butadiene Rubber (SBR)

Physical Form: Liquid

Technical Data Sheet

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Identification & Functionality

Plastics & Elastomers Functions
CAS No.
25550-98-5

Features & Benefits

Labeling Claims

Applications & Uses

Compatible Substrates & Surfaces
Coating Type
Applications

Used as a thermal & processing stabilizer and/or antioxidant in plastics as well as paint and varnish industries.

Properties

Physical Form
Appearance
Clear Liquid
Insoluble in
Water
Typical Properties
ValueUnitsTest Method / Conditions
Hazen Colourmax. 100
Acid valuemax. 0.1mg KOH/g
Density at 20 °C0.94 – 0.96g/cm3
Refraction Index nD201.480 – 1.486
Molecular weight439.0g/mol

Regulatory & Compliance

Quality Standards