Characteristic: Low density, good dimension stability

Application: Outsole

Typical properties of PU matrix

Name of products

Appearance

Viscosity (mPa·s/40℃)

Density (g·cm^-3/40℃)

Package(kg)

/

A-1700

cream white liquid

500~800

1.01~1.02

18

B-5300

Yellowish Transparent liquid or waxy

300~600

1.08~1.2

20

Materials preheat

A-1700:      preheated at 50~60℃ for 2~4 hours.          

B-5300:      preheated at 60~70℃ for 10~15 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

30~35/35~40

100/109-111

7~9

50~60

0.18-0.23

45~55

5~7

The adding content of C-2 should be 380g±20g/18kg.

The adding content of water should be 0~90g/18kg according to the reality.

The adding content of water should be 0~600g/18kg according to the reality.

Physical properties

Items

Molded Density (g/cm³)

Hardness
(Shore C )

Tensile strength
(MPa)

Elongation (%)

Tear Strength
(kN/m)

168h, 70℃, 95%r.h. hydrolysis
strength retention(%)

Physical properties

0.40-0.50

45-60

2.3-5.2

320-410

18~26

>90

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.