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40 Shore A Liquid Polyurethane Rubber For Making Concrete Stone Molds
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40 Shore A Liquid Polyurethane Rubber For Making Concrete Stone Molds
Brand Name MC Product Origin China Delivery Time about 3-5 working days after payment Supply Ability 4000kg per day Product Description
Composition：It consists of A&B component, B is curing agent, and A is polyurethane prepolymer.
Characteristics：It has excellent processing properties, solid in common temperature, shorter gel time, and regulating colour by adding pigment. The ware has good properties of abrasive resistance, hydrolysis resistance, transparent, good resilience, stable dimension
Application：Substitute for Silicon rubber to make the mould of “cultural stone”. It also applies to electrical equipment potting, rubber rollers, Ski and snowboard ,rubber plates, rubber wheels, shoe models and others.
Typical Properties
A
Type
MCPU40 A
Appearance
Colorless or light yellow transparent liquid
Viscosity（30℃）mPa·s/
2500±300
B
Type
MCPU40 B
Appearance
Light yellow liquid
Viscosity（30℃）/mPa·s
560±200
Ratio A：B（mass ratio）
1:1
Operation temperature/℃
25～40
Gel time（30℃）*/min
25-30（variable）
Appearance
Light yellow
Hardness （shore A）
40±3
Tensile strength/MPa
4-7
Elongation at break/ %
500-600
Tear strength/（kN/m）
28-22
Rebound/ %
30-35
Specific gravity（25℃）（g/ cm3）
1.18
Packing：20Kg/drum or 200Kg/drum.
Storage：Store in cool and dry place. If you can’t use one drum up at a time, please inject N2.The storage time of original packing is 6months.
