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Two-Component Casting Polyurethane Prepolymer for PU Roller 90A Hardness

Categories Cold Cast Polyurethane
Place of Origin: China
Appearance: Light yellow liquid
MOQ: 1mt
Certification: ISO9001:2008
Product name: Two-Component Casting Polyurethane Prepolymer for PU Roller 90A Hardness
Delivery Time: 14 work days
Packaging Details: 20KG/DRUM
Model Number: EMH490-A / EMH490-B
Tear Strength (kN/m): 58-63
Packing: 20KG/DRUM
Brand Name: EXCEEDCHEM
Price: to be negotiated
Supply Ability: 1000mt/month
Payment Terms: L/C,T/T
Hardness (shore A): 90±2
Elongation at Break(%): 400-450
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Two-Component Casting Polyurethane Prepolymer for PU Roller 90A Hardness

Two-Component Casting Polyurethane Prepolymer for PU Roller 90A Hardness
Key Attributes
AppearanceColorless 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
Packing20KG/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
TypeEMH490-AEMH490-B
Viscosity (mPa*s/25℃)1200±300500±100
AppearanceColorless or light yellow transparent liquidLight 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 AppearanceLight 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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