Castable Polyurethane prepolymer Polyol MDI System

  • Brand:

    sinograce
  • Item NO. :

    P-MDI-100,P-MDI-101,
  • 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

Polyurethane prepolymer polyol MDI system

Description

Polyurethane prepolymer polyol MDI system


Key features

No irritating odor.

Products have good toughness and elasticity.

Excellent abrasion resistance and water resistance.


Typical properties

polyol MDI system

P-MDI--100

P-MDI -101

P-MDI -102

P-MDI -103

P-MDI -104

P-MDI -105

Prepolymer

Appearance (25℃)

Waxy solid

Waxy solid

Waxy solid

Waxy solid

Waxy solid

Waxy solid

NCO Content(%)

5.5~6.5

6.6~7.2

7.5~8.5

5.0~6.0

6.0~6.8

7.2~8.0

Using Mixture Ratio (PHR)

5.6~6.6

6.7~7.3

7.6~8.6

5.1~6.1

6.1~6.9

7.3~8.1

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

8~10

5~7

5~7

8~10

5~7

5~7

Physical properties of finished products

Hardness (Shore A)

60±5

85±5

95±5

60±5

85±5

95±5

Tensile Strength (MPa)

51.3

55.3

57.2

41.7

45.5

52.8

Tearing Strength (kN/m)

78.4

135.0

135.7

70.6

123.2

127.5

Elongation at Break (%)

516

520

498

461

577

558

Akron Abrasion (cm3/1.61km)

0.08

0.05

0.03

0.08

0.05

0.03


Application

Mainly used in the production of polyurethane elastomer products with the corresponding requirements, such as a variety of industrial components, roller, rubber roller, rubber, oil seal, cushion material, plate, etc..


Usage method

Can be used for manual operation, more suitable for the operation of the casting machine, chain extender are BDO and TMP, etc.


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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      Products :

      Castable Polyurethane prepolymer Polyol MDI System
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