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high quality 40 shore A Mold Making Liquid polyurethane Rubber for plaster molds making
Description of Urethane Liquid Rubber For Mold Making :
Urethane Liquid Rubber For Mold Making (room temperature cure) is a type of mold making rubber made from a two-component system (It consists of A&B component, B is curing agent, and A is polyurethane prepolymer.)available in a hardness range of very soft to medium - usually from 40 Shore A to 90 Shore.
A | Type | MCPU40 A | MCPU50 A | MCPU60 A | MCPU70 A | MCPU80 A | MCPU90 A |
Appearance | Colorless or light yellow transparent liquid | ||||||
Viscosity(30℃)mPa·s/ | 2500±300 | ||||||
B | Type | MCPU40 B | MCPU50 B | MCPU60 B | MCPU70 B | MCPU80 B | MCPU90 B |
Appearance | Light yellow liquid | ||||||
Viscosity(30℃)/mPa·s | 560±200 | ||||||
1:1 | |||||||
Appearance | Light yellow | ||||||
Operation temperature/℃ | 25~40 | ||||||
Gel time(30℃)*/min (variable) | 25-30 | 25-30 | 25-35 | 20-30 | 8-14 | 6-9 | |
Hardness (shore A) | 40±3 | 50±3 | 60±3 | 70±3 | 80±3 | 90±3 | |
Tensile strength/MPa | 4-7 | 5-8 | 5-8 | 8-11 | 9-14 | 18-25 | |
Elongation at break/ % | 500-600 | 400-500 | 300-400 | 250-350 | 350-550 | 400-500 | |
Tear strength/(kN/m) | 18-22 | 18-22 | 20-25 | 26-30 | 50-60 | 70-85 | |
Rebound/ % | 30-35 | 30-35 | 30-35 | 30-35 | 36-40 | 32-35 | |
Specific gravity(25℃)(g/ cm3) | 1.18 | ||||||
Applications of Urethane Liquid Rubber For Mold Making :
Urethane Liquid Rubber For Mold Making is suitable for manufactured stone, concrete wall panel, cultured stones and architectural elements.


Features of Urethane Liquid Rubber For Mold Making :
Good characteristics of easy-operation
Light viscosity and good flowability
Low shrinkage
Favorable tension
No deformation
Favorable hardness
Package of Urethane Liquid Rubber For Mold Making :
20kg/drum, 200kg/drum


Storage of Urethane Liquid Rubber For Mold Making :
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.
Professional factory of Urethane Liquid Rubber For Mold Making :
We are manufacturer, and specialized in manufacturing different hardness, different viscosity silicone rubber series, we are competitive in price with good quality.
Should you have any question, please feel free to contact Ms NICOLE.
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