Special properties polyurethane prepolymer High tensile tearing type

  • Brand:

    sinograce
  • Item NO. :

    HTT-901,HTT-902,HTT-
  • Payment:

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

    Waxy solid
  • Shipping Port:

    Shanghai And Other Ports
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Product Detail

Description

Special properties polyurethane prepolymer high tensile tearing type


Key features

The material has high resilience under high hardness.


Typical properties 

High tensile tearing type

HTT-901

HTT-902

HTT-903

HTT-904

Prepolymer

Appearance (25℃)

Waxy solid

Waxy solid

Waxy solid

Waxy solid

NCO Content(%)

6.0~6.5

7.5~8.5

6.0~6.5

4.5~5.5

Using Mixture Ratio (PHR)

17.0~18.5

7.6~8.6

17.5~18.5

13.2~15.8

Life in the Reaction Kettle (75~78℃/min)

6~8

5~7

6~8

5~6

Physical properties of finished products

Hardness (Shore D)

95±5

95±5

95±5

90±5

Tensile Strength (MPa)

65.5

57.2

46.9

68.3

Tearing Strength (kN/m)

122.5

135.7

137.1

133.1

Elongation at Break(%)

380

498

552

431

Rebound Rate (%)

57

58

65

47


Application

-It is mainly used in the production of polyurethane products with high hardness and good elasticity.


Usage method

-Can be used for manual, but also suitable for the operation of pouring machine, chain extender for MOCA or other chain extender.


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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      Special properties polyurethane prepolymer High tensile tearing type
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