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Dioctyl terephthalate (DOTP)

Main performance:

DOTP is a main plasticizer with excellent performance. Its electrical and thermal properties are excellent. Its volume resistivity is 10-20 times that of DOP. It has good growth effect and low volatility, especially in cable materials. It is widely used in various products requiring heat resistance and high insulation. It is an ideal plasticizer for producing cable materials with temperature resistance of 70 ° C and other PVC products requiring volatile resistance.
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Detail

Serial No

Inspection index name

Premium

First Grade

Qualified products

Factory typical value

1

Appearance

Transparent oily liquid without visible impurities

Transparent oily liquid without visible impurities

Transparent oily liquid without visible impurities

Transparent oily liquid without visible impurities

2

Chroma, (Pt Co) No

≤30

≤50

≤100

≤20

3

Purity,%

≥99.5

≥99.0

≥98.5

≥99.5

4

Density (20 °), g/cm3

0.981-0.985

0.981-0.985

0.981-0.985

0.981-0.985

5

Acid value, mgKOH/g

≤0.02

≤0.03

≤0.04

≤0.02

6

Flash point, ° C

≥210

≥210

≥205

≥210

7

Moisture,%

≤0.03

≤0.05

≤0.10

≤0.03

8

Volume resistivity × 1010Ω.m

≥2

≥1

≥0.5

≥2


Relative molecular weight: 390.5


The production processes include direct esterification and transesterification.


Main performance:


1. DOTP is a main plasticizer with excellent performance. Its electrical and thermal properties are excellent. Its volume resistivity is 10-20 times that of DOP. It has good growth effect and low volatility, especially in cable materials. It is widely used in various products requiring heat resistance and high insulation. It is an ideal plasticizer for producing cable materials with temperature resistance of 70 ° C and other PVC products requiring volatile resistance.


2. At the same time, it has good cold resistance, heat resistance, extraction resistance, volatility resistance, and high growth rate. The products show excellent durability, soap water resistance and low softness. Suitable for plasticizer of PVC resin, such as PVC cable material requiring high insulation.


3. This product can be mixed with DOP in any proportion.


4. This product can reduce viscosity and increase storage life when used for plasticizing paste.


Application Guide:


It is widely used in cable materials, insulating skins, high-grade paints, coatings, etc.


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