Castable Polyurethane prepolymer Polyester TDI System

  • Brand:

    sinograce
  • Item NO. :

    Pes-610,Pes-611,Pes-
  • Payment:

    L/C、D/A、D/P、T/T、MoneyGram、Paypal Other.
  • Product Origin:

    China Anhui
  • Color:

    Waxy solid
  • Shipping Port:

    Shanghai And Other Ports
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Product Detail

Castable Polyurethane prepolymer Polyester TDI System

Description

Polyurethane prepolymer polyester TDI system


Key features

General purpose products, the most widely used.

High mechanical strength, good wear resistance.

Good oil resistance, solvent resistance, heat resistance.


Typical properties 

Plyester tdi system

Pes-610

Pes-611

Pes-612

Pes-613

Pes-614

Pes-615

Prepolymer

Appearance (25℃)

Waxy solid

Waxy solid

Waxy solid

Waxy solid

Waxy solid

Waxy solid

Nco content(%)

2.4~2.6

3.0~3.5

3.6~4.2

4.0~4.5

4.5~4.8

5.0~5.8

Using mixture ratio (phr)

6.9~7.5

8.6~9.5

9.0~10.0

11.0~12.0

13.5~14.5

15.0~16.0

Life in the reaction kettle(75-78℃/min)

5~7

5~7

5~7

5~7

3~5

3~5

Physical properties of finished products

Hardness (shore a)

60±5

75±2

80±2

85±2

90±2

95±2

Tensile strength (mpa)

28.7

33.5

42.3

45.5

48.8

52.6

Tearing strength (kn/m)

35.9

49

52

55.1

58.3

60

Elongation at break(%)

498

474

451

440

410

337

Akron abrasion(cm3/1.61km)

0.05

0.03

0.03

0.02

0.02

0.02

Application

Mainly used in the production of ordinary polyurethane elastomer products, such as a variety of industrial components, roller, rubber roller, rubber, oil seal, cushioning materials, plates, etc.


Usage method

Suitable for manual and high temperature casting machine operation, chain extender is MOCA.


Attention

The prepolymer should be stored at low temperature and dry place, avoid the moisture and moisture when used

After the opening of the prepolymer should be used up as soon as possible, if not exhausted with nitrogen seal.

The storage period of unopened prepolymer is three months.

If you want to add color paste or other materials, keep the water content below 0.1%, and consider the compatibility of additives.

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      Castable Polyurethane prepolymer Polyester TDI System
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