Polyurethane Prepolymer
- Location: China
- FOB Price: ( Negotiable )
- Minimum Order Quantity: 1 Gram
- Packaging Detail: plastic drums, iron drums
- Delivery Time: 15 days Day
- Supplying Ability: 1000 Metric Ton / Month
- Payment Type: PayPal, Money Gram, Western Union, D/P, D/A, L/C, T/T
Product Description
Name：PUP，Polyurethane prepolymer；
Definition: polymers formed by the reaction of polyisocyanate and polyether or polyester polyol under certain conditions；
Classification: according to the reaction characteristics of terminal group, terminal isocyanate prepolymer, terminal hydroxyl prepolymer, prepolymer containing closed group, polyurethane prepolymer containing other groups, such as terminated silyl and end acrylic ester；
Application:
Polyurethane adhesives, coatings, elastomers, foam and fiber, etc.
At room temperature, it is operable and easy to operate. The products have good wear resistance, water resistance, mould resistance, yellowing resistance, high resilience and excellent mechanical properties.
Used in the manufacture of rods, plates, rubber, sealing ring, sieve cyclone, impeller, sports equipment, skateboard wheel, polyurethane elastomer miscellaneous etc.
Definition: polymers formed by the reaction of polyisocyanate and polyether or polyester polyol under certain conditions；
Classification: according to the reaction characteristics of terminal group, terminal isocyanate prepolymer, terminal hydroxyl prepolymer, prepolymer containing closed group, polyurethane prepolymer containing other groups, such as terminated silyl and end acrylic ester；
Application:
Polyurethane adhesives, coatings, elastomers, foam and fiber, etc.
| Prepolymer model | HJ-1885-1 | HJ-1582-2 | HJ-1590-2 | HJ-3157 |
| NCO% | 9.7±0.2 | 9.0±0.2 | 11.0±0.2 | -- |
| Density/25℃ | 1.10 | 1.10 | 1.10 | 1.23 |
| Viscosity/80℃ | 500-800 | 600-900 | 500-800 | 1500-1800 |
| Color (solid) | Snow-white | Snow-white | Snow-white | Snow-white |
| Color (liquid) | Colorless transparent or light amber color | AB component is light yellow | AB component is light yellow | Colorless transparent or light amber color |
| Operable time（min）Prepolymer80-85℃/MOCA Chain extension | 2-3 | 7-10 | 6-9 | 120-150 |
| One time demoulding time （min）/115℃ | 40 | 40 | 13 | -- |
| Two times vulcanization time (hour)/100℃-120℃ | Normal temperature vulcanization | Normal temperature vulcanization | 16 | 16 |
| A B Mixture ratio | 100:100 | 100:100 | 100:100 | 100:4.4 |
| Physical property（MOCA Chain extension） | ||||
| Hardness (Shore A) | 85±2 | 82±2 | 90±2 | 57±2 |
| Tensile strength（MPa） | 10-15 | 9-14 | 18-35 | 25-30 |
| Tear strength（KN/m） | 80-100 | 60-80 | 90-130 | 30-50 |
| Elongation at break（%） | 350-500 | 350-550 | 400-550 | 450-600 |
| Permanent deformation % | 12-16 | 15-18 | 2 | 1 |
| Springback（%） | 32-40 | 25-30 | 25-30 | 45-50 |
| DIN Roller wear（mm3） | -- | ≤ 120 | ≤ 120 | -- |
Used in the manufacture of rods, plates, rubber, sealing ring, sieve cyclone, impeller, sports equipment, skateboard wheel, polyurethane elastomer miscellaneous etc.
| Specialized field | HKR-6201 | HKR-6201O | |
| Prepolymer | Normal temperature appearance(25℃) | Waxy solid | Waxy solid |
| NCO Content(%) | 3.6~4.2 | 3.6~4.2 | |
| Use ratio(PHR) | 3.7~4.3 | 3.7~4.3 | |
| Pot life(75~78℃/min) | 3~5 | 3~5 | |
| Physical properties of finished products | Hardness (Shore A) | 90±5 | 90±5 |
| Tensile strength(MPa) | 53.5 | 57.1 | |
| Tear strength(kN/m) | |||
Company Profile
- HEBI CYCLE COMMERCIAL CO., LTD
- [ China ]
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HEBI CYCLE COMMERCIAL CO.,LTD (CYCLE INDUSTRY LIMITED) are specializing in exporting and producing of metal products,chemical products,resin plastics products,mineral products and waste;
We have exporting department and producing factory.
The factory was established in 2000s. It located in Hebi city, Henan province,China. Hebi City is called “China Magnesium Valley”. The biggest testing cen...
Basic Information
- Business Type: Manufacturing
- Company Products / Services: metals,chemicals,plastics&resins,minerals,wastes
- Year Established: 2016
- Number of Employees: 101-500
- Website: https://cycleindustrylimited.com/