Casting Molded Polyurethane Part

Casting Molded Polyurethane Part

It consists of A&B component, A is polyol, and B is Hydroxyl-Terminated polyurethane prepolymer.

Product Introduction

We have many international advanced fully automatic production lines, mainly producing and developing new types of MDI Two Componment PTMEG Type Casting PU, PU RUBBER SHEET, Casting Polyurethane Prepolymer. We supervise the operation with humanized concept, and occupy the market with good quality and after-sales service. We have won recognition from customers all over the world with our superb manufacturing technology, strict quality management system and first-class service. The survival and development of enterprises can not be separated from a good external environment. A good corporate image can get the support of the public and all sectors of society, so that the production and operation of enterprises can be carried out smoothly.

Cold casting two componment Polyurethane

- Composition: It consists of A&B component, A is polyol, and B is Hydroxyl-Terminated polyurethane prepolymer.

- Characteristics: It has excellent processing properties, solid in common temperature, shorter gel time, and regulating colours by adding pigment. The ware has good properties of abrasive resistance, hydrolysis resistance, transparent, good resilience, stable dimension.

- Product application: Rod and bar, sheet and plate, industrial wheel, construction mold, sports equipment coating, skateboard wheel, buffer insole and other polyurethane miscellaneous parts.

- Operation details: After vacuum degassing for the two components (A and B), they are mixing, pouring and casting in mold in proportion at room temperature of 30-40 ℃, it can be used for manual operation and mechanical molding.

- Storage: Store in a cool and dry place and use up as soon as possible after opening; It cannot be used up at one time, and it needs to be replaced with nitrogen and sealed; The secondary opening shall be used for defoaming, and the original storage period is six months.


Item

Type

HJ1885-1

HJ1880-2AB

HJ1890-2AB

HJ3155

NCO CONTENT %

8.5±0.2

9.0±0.2

12.0±0.2

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Density 25℃(g/cm³)

1.10

1.10

1.10

1.23

Gel Time /min

2-3

8-14

6-9

120-150

Mixing Ratio A:B

100:100

100:100

100:100

100:6.4

Physical Properties

Hardness (Shore A)

85±2

82±2

90±2

55±3

Tensile Strength (Mpa)

10-15

9-14

18-25

20-25

Elongation at Break (%)

350-500

350-550

400-550

450-600

Tear Strength (KN/m)

40-50

50-60

70-85

30-35

Compression permanent deformation %

12-16

15-18

10-15

10-15

DIN Abrasion loss(mm³)

≤120

≤120

≤120

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Resilience %/25℃

48-52

36-40

35-38

26-30


A

Type

HJ1850A-2

HJ1860A-2

HJ1870A-2

Appearance(35℃)

colorless viscous liquid

B

Type

HJ1850B-2

HJ1860B-2

HJ1870B-2

Appearance (35℃)

light yellow viscous liquid

Mixing Ratio A:B

1:1

1:1

1:1

Operating temperature (℃)

35-40

35-40

35-40

Gel Time (min)

30-40

25-35

20-30

Hardness (Shore A)

50±3

60±3.

70±3

Tensile Strength (Mpa)

4-6

5-8

8-10

Elongation at Break (%)

400-500

300-400

250-350

Tear Strength (KN/m)

18-22

20-25

26-30

Resilience %/25℃

30-35

30-35

30-35

Density 25℃(g/cm³)

1.17

1.17

1.17

Our Casting Molded Polyurethane Part is standard product with high stability for long and continuous use in harsh environments. Our company has always maintained a high level of passion, shouldering responsibility and moving with tireless pace. Our creditworthiness, which is a key point in establishing our brand, plays a role in promoting the construction of the integrity system of the society.

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