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Dioctyl terephthalate
Product Name:Dioctyl terephthalate
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Dioctyl terephthalate

  (CAS: 6422-86-2)

  Product features:

  DOTP is colorless or light yellow liquid. Molecular formula is C24H38O4, average molecular weight is 390.5. DOTP is a sort of high-performance primary plasticizer with good electrothermal properties. Its’ volume resistivity is 10 - 20 times against DOP. Good plasticizing effect and low volatility makes it be widely used in heat-resisting and high insulation product, especially available for Cable. It is a good plasticizer for the production of 70 ℃ cable material and other volatility-resist PVC products.

  DOTP has well cold-resistance, heat-resistance and extraction-resistance, low volatility and high plasticizing efficiency. It make end products with good durability, soap water resistance and softness in low temp. It is suitable for the plasticizer of PVC resins, such as high-insulation PVC cables.

  DOTP can be mixed with DOP at free percentage.

  Quality index:

Check Item




Colorless Liquid

Slight Yellow Liquid

Color, (Pt - Co)

≤ 20

100 - 150

Ester Content, (%)

≥ 99.5

≥ 99

Electrical resistivity, (1010Ω.m)

≥ 2

≥ 1.8

Acid Value, (mhkOH/g)

≤ 0.02

≤ 1

Flashing Point, (℃)

≥ 210

≥ 210

Density, (25°C, g/cm3)

0.981 - 0.985

0.981 - 0.985


  DOTP is widely used in cable materials, insulating wires, high-grade paint, coating, PVC, artificial leather, etc.

  Packing, storage and transportation:

  It is packed by galvanized iron drum, 200kg/drum.

  Handle with care during transportation.

Order:Dioctyl terephthalate





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Qingdao Collect Chemical Co.,Ltd
Qingdao Collect Flame Retardant Tech Co.,Ltd
Mobile: 0086-18554855655
Add:No.127 Lushan Road, Huangdao District, Qingdao City, Shandong, China
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