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[China]
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Address: No.2, Zhouliao Road, Langzhou Industrial Zone, Changping, Dongguan, Guangdong, China
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MINGCHENG GROUP LIMITED |
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High Strength Two-Part RTV Polyurethane Liquid Rubber 45 Shore A For Making Molds
Description:
Polyurethane rubber consists of A&B component, which, after mixing, cure at room temperature to flexible, high-strength, mold rubber. It can make durable molds for casting plasters and waxes, cement.
Characteristics:
It has excellent processing properties, solid in common temperature, shorter gel time, and regulating color by adding pigment. The ware has good properties of abrasive resistance, hydrolysis resistance, transparent, good resilience, stable dimension.
Application:
Suitable for making the mould for concrete panel, trims & cultured artificial stone veneer, resin crafts, etc.
Typical Properties:
A | Type | MC-PU45A |
| Appearance | Colorless or light yellow transparent liquid | |
| Viscosit(y 30℃)mPa·s/ | 2500±300 | |
B | Type | MC-PU45 B |
| Appearance | Light yellow liquid | |
| Viscosity(30℃)/mPa·s | 560±200 | |
| Ratio A:B(mass ratio) | 1:1 | |
| Gel time(30℃)*/min | 25-30(variable) | |
| Appearance | Light yellow | |
| Hardness (shore A) | 45±3 | |
| Tensile strength/MPa | 5.8-6.0 | |
| Elongation at break/ % | 500-600 | |
| Tear strength/(kN/m) | 20-22 | |
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.
