PU shoe mold material (CPU-17-RTC-66A)

Key feature

● Polyether base

● Hardness: 70-75A

● Mixing ratio: 1:1

● Excellent elasticity

● Easy operation

Application

Two components polyurethane casting prepolymer for shoe molds

Technical Data Sheet

Item

CPU-17-RTC-66A-A

CPU-17-RTC-66A-B

Appearance

Transparent liquid

Transparent light yellow liquid

Compoent

Diisocyanate prepolymer

Polyether polyol

Specific gravity @25

1.15 ± 0.05

1.02 ± 0.05

Viscosity @25

1600 ± 100 cps

1600 ± 50 cps

Physical property of finished product

Hardness

70 - 75 shore A

Tear strength

30 kg/cm

Elongation

230%

Tensile strength

40 kg/cm2

Rebound resilience

55% 

Process method

Mixing ratio (by weight)

100 : 100

Material temperature

30 ± 5

Mold temperature

50 ± 5

Demold time

30 min.

Suggested machine type

PU casting machine

Testing methods (QC Specifications)

1.     Testing tools: plastic cup, stirring machine

2.     Material temperature: 55

3.     Lab temperature: 32

4.     Mixing speed: 1000 RPM

5.     Mixing time: 60 sec. 

6.     Gel time: 4 - 6 min.

Package

CPU-17-RTC-66A-A/B: 20 kg/drum.

  

* These items are provided as general information only. They are approximate values and are not

   considered part of the product specification.