polyurethane resin material for casting straps sandals

Characteristic: Low density and high hardness, good appearance, little pinhole, and weak foam line

Application: Outsole, slippers, wedge shoes

Typical properties of PU matrix

Name of products

Appearance

Viscosity (mPa·s/40℃)

Density (g·cm^-3/40℃)

Package(kg)

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/

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A-9080W

Cream,White,liquid

1000~1300

1.01~1.02

18

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B-6088

Yellowish transparent liquid or waxy

600~800

1.08~1.2

20

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Materials preheat

A-9080W:  preheated at 50~60℃ for 6~8 hours.

B-6088:    preheated at 50~60℃ for 6~8 hours.

Typical processing parameters & Reaction parameter.

Items

A/B Materials Temperatures(℃)

A+C/B Mix ratio
(By weight)

Cream Time (s)

End of Rise Time (s)

Free Rise Foam Density(g/cm³)

Mold Temperature(℃)

Demold Time(min)

Parameter

40~45/38~42

100/100~102

6~8

30~40

0.21~0.26

45~55

5~7

The adding content of C-2 should be 210g±10g/18kg.

The adding content of water should be 0~80g/18kg according to the reality.

The adding content of hardener should be 0~1200g/18kg according to the reality.

Physical properties

Items

Molded Density (g/cm³)

Hardness
(Shore A )

Tensile strength
(MPa)

Elongation
(%)

Tear Strength
(kN/m)

Williams abrasion
(cc/php)

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Physical  properties

0.35~0.60

60~88

4~7

200~300

11~20

130~200

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Demold time may be prolonged with the increase of sole thickness.

These physical data are acquired by testing a sample of 6mm thick.

Data listed above are just for reference. The detail data are subjected to practical production. If other requests for physical properties, please contact us.