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product description

Performance and use

Dioctyl phthalate is a slightly odorous oily transparent liquid with molecular formula C24H38O4, molecular weight 390.5, relative density (d2020) 0.986, water solubility ≤0.01% (25 ° C). It is the most widely used plasticizer with good comprehensive properties and excellent compatibility with polyvinyl chloride, synthetic resin, nitrocellulose and rubber. Widely used in the processing of PVC various soft plastic products, such as film, artificial leather, wire, cable, molded products, etc.; widely used in rubber, paint and emulsifier industries, can improve the resilience of products, reduce compression and permanent Deformation, and no effect on the vulcanization of the rubber compound.

Technical indicators

Indicator name Index
Superior grade First grade Qualified product 
Exterior An oily liquid with no visible impurities
Chroma, (Pt-Co) ≤ 30 40 60
Purity, % ≥ 99.5 99.0 99.0
Flash point (open cup method),℃ ≥ 195 192 190
Density(ρ20),g/cm3 0.982-0.988
Acidity (based on phthalic acid), % ≤ 0.010 0.015 0.030
Moisture, % ≤ 0.1 0.15 0.15



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