2021 Hot Sale Polyurethane Elastomers MDI Prepolymer For MDI Serials PU Pre polymers MD
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- Supplier: Shandong Inov Polyurethane Co. Ltd.
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Product Overview
Description
Products Description
MDI Prepolymer，shore A 75A to shore A 95A。 The product has the characteristics of good wear resistance， resilience and excellent mechanical properties. Used for making miscellaneous polyurethane elastomer products such as rubber wheels, sieve plates and sealing rings.
Model | D2560 | D2575 | D2590 | D3565 | D3575 | D3590 | ||||
NCO/% | 6.0±0.2 | 7.5±0.2 | 9.0±0.2 | 6.5±0.2 | 7.5±0.2 | 9.0±0.2 | ||||
State at 20 ℃ | PTMG system, white solid | Polyester system, white solid | ||||||||
BDO 100g Prepolymer /g | 6.1 | 7.8 | 9.3 | 6.8 | 7.8 | 9.3 | ||||
Viscosity (85℃)/mPa·s | 1400 | 1000 | 750 | 1400 | 1200 | 1000 | ||||
Mixing temperature /℃（ Prepolymer /1,4BD） | 80/40 | 80/40 | 80/40 | 80/40 | 80/40 | 80/40 | ||||
Gel time /min | 10 | 8 | 7 | 10 | 8 | 7 | ||||
Post vulcanization time (110℃)/h | 48 | 48 | 48 | 48 | 48 | 48 | ||||
Hardness（Shore A） | 87±2 | 90±2 | 95±2 | 85±2 | 90±2 | 95±2 | ||||
100% Modulus/MPa | 6 | 9.2 | 12.6 | 5 | 8.6 | 12.3 | ||||
300% Modulus /MPa | 17 | 16.6 | 18.9 | 10 | 19.7 | 29.1 | ||||
Tensile strength /MPa | 44 | 43 | 45 | 50 | 46 | 55 | ||||
Elongation / % | 472 | 683 | 500 | 540 | 580 | 530 | ||||
Tear strength /（KN/m） | 75 | 110 | 130 | 82 | 117 | 132 | ||||
Rebound / % | 61 | 64 | 55 | 43 | 35 | 39 | ||||
Density （24℃）/（g/ cm3） | 1.11 | 1.11 | 1.12 | 1.23 | 1.26 | 1.24 | ||||
Product packaging
Iso: 235kg/drum, Polyols: 220kg/drum, Hardner: 20kg/drum, Catalyst: 18kg/drum
Our Advantages
We are a professional manufacturer and developer in Polyurethane industry，and always introduce the the most suitable polyurethane products to target customer's needs。We are adhering to the management concept and spirit to provide the clients with execellent products and prompt，thoughtful service to create a win-win situation。
Payment
TT or LC
Company Profile
FAQ
1、Q: Are you a trading company or manufacturer ?
A: We are a manufacturer that have about 20 years production experience.
2、Q: Can i get a sample for testing ? How do it charged ?
A: Yes, sample is free of charge, but we don't bear the Express costs.
A: We are a manufacturer that have about 20 years production experience.
2、Q: Can i get a sample for testing ? How do it charged ?
A: Yes, sample is free of charge, but we don't bear the Express costs.
3、Q: Do you provide guarantee of your products during a certain time?
A: Yes, all our products provides guarantees according to industry standards.
4、Q: Do you have foreign experience for your products?
A: Yes, all the products we manufactured have exported to USA, France,Australia,Russia,UK, etc.
A: Yes, all our products provides guarantees according to industry standards.
4、Q: Do you have foreign experience for your products?
A: Yes, all the products we manufactured have exported to USA, France,Australia,Russia,UK, etc.
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