Two-Component Casting Polyurethane Prepolymer for PU Roller 90A Hardness
Price:
to be negotiated
MOQ:
1mt
Delivery Time:
14 work days
Brand:
EXCEEDCHEM
Product Description
Two-Component Casting Polyurethane Prepolymer for PU Roller 90A Hardness
Key Attributes
| Appearance | Colorless or Light yellow transparent liquid |
| Tensile Strength (Mpa) | 13-18 |
| Hardness (shore A) | 90±2 |
| Elongation at Break (%) | 400-450 |
| Tear Strength (kN/m) | 58-63 |
| Packing | 20KG/DRUM |
Product Overview
This two-component system consists of EMH490-A (polyurethane prepolymer) and EMH490-B (curing agent), offering exceptional processing properties and performance characteristics.
Key Features
- Superior abrasion & hydrolysis resistance
- High transparency; pigment-additive color customization available
- Excellent resilience + stable dimensional performance
- Fast cure speed, minimal gel time
- Ambient-temperature solidification
Applications
Ideal for multiple industrial applications including:
- Cultural stone mold production (alternative to silicone rubber)
- Electrical equipment potting
- Rubber rollers, plates, and wheels
- Ski and snowboard components
- Shoe models and manufacturing
Technical Specifications
| Type | EMH490-A | EMH490-B |
|---|---|---|
| Viscosity (mPa*s/25℃) | 1200±300 | 500±100 |
| Appearance | Colorless or light yellow transparent liquid | Light yellow liquid |
Processing Parameters
| Mixing Ratio (A:B mass ratio) | 1:1 |
| Operating Temperature (℃) | 25~40 |
| Gel Time (25-30℃/min) | 6~9 |
| Final Product Appearance | Light yellow elastomer |
Physical Properties
| Hardness (shore A) | 90±2 |
| Tensile Strength (Mpa) | 8-13 |
| Elongation at Break (%) | 400-450 |
| Tear Strength (kN/m) | 58-63 |
| Rebound (%) | 33-38 |
| Specific Gravity (25℃) (g/cm3) | 1.17 |
Storage & Handling
Store in a cool, dry place. For partial use, fill container with nitrogen gas before resealing.
Shelf Life
6 months from production date when stored under recommended conditions.
Packaging
20KG/DRUM
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Qingdao Exceed Fine Chemicals Co.,Ltd
Location
Room 602, Building No. 9, Guoxin Haichuang Industrial Park, No. 50 Binhai Road, Jimo District, Qingdao, Shandong, China. 266000
Contact Person
Louis.liu