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White Solid MDI / Polyester Prepolymer Hardness 90 For PU Rods

White Solid MDI / Polyester Prepolymer Hardness 90 For PU Rods

Brand Name EXCEEDCHEM
Model Number ME1790
Certification ISO9001:2008
Place of Origin China
Minimum Order Quantity 1mt
Price 2.0usd /kg
Payment Terms L/C, T/T
Supply Ability 1000mt/month
Delivery Time 5-7 work days
Packaging Details 20kg/drum
Appearance at 25℃ White solid
Hardness/ shore A 90±1
Rebound/% 35
Tensile Strength/ Mpa 46
Shelf life 6 months
Packing 20kg or 200kg per steel drum
Detailed Product Description

White Solid MDI/Polyester Prepolymer Hardness 90

 

1.Description

This is an MDI-terminated PET prepolymer of low viscosity and easy processing. It enjoys a high performance and high abrasion resistance.

 

2. Application

It applies to make PU rods, castor wheels, PU pad, PU sheet, rubber roller, sieve plate, etc.

 

3. Product Specification

 

NCO Content (%)7.5±0.2
Density (25℃)/(g/cm3)1.26
Viscosity at 85℃ (Mpa.s)1200
Appearance at 25℃White solid

 

4. Operation introduction

 

Ratio (Prepolymer/1,4BDO)100/7.8
Mix temperature/℃ (Prepolymer/1,4BDO)80/40
Gel time/min8
Postcure (110℃)/h48

 

5. Physical Properties

 

Hardness/ shore A90±1
Tensile Strength/ Mpa46
100% Modulus/MPa8.6
300% Modulus/MPa19.7
Elongation at break/%580
Tear strength (without nick) / kN/m117
Tear strength (with nick) / kN/m56
Rebound/%35
DIN Abrasion(mm3)35

 

6. Shelf life

The storage time of original packing is 6 months at the above condition from the date of production.

 

7. Package

20kg or 200kg per steel drum

 

8. Safety

Use in a well-ventilated area. Avoid contact with skin using protective gloves and protective clothing. Repeated or prolonged contact on the skin may cause an allergic reaction. Eye protection is extremely important. Always use approved safety glasses or goggles when handling this product.

If Contact Occurs:

Skin: Immediately wash with soap and water. Remove contaminated clothing and launder before reuse. Seek medical attention if allergic reactions occur.

Eyes: Immediately flush with water for at least 15 minutes, contact a physician.

Ingestion: If swallowed, contact a physician immediately. Remove stomach contents by gastric suction or induce vomiting only as directed by medical personnel. Never give anything by mouth to an unconscious person.

 

Product Tags: Polyester Prepolymer Hardness 90   MDI Prepolymer Hardness 90   PU Rods MDI Prepolymer  
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