Chemicals Polymer

White Solid MDI/Polyester Prepolymer Hardness 85

Price Negotiable
Price: 2.0usd /kg
MOQ: 1mt
Delivery Time: 5-7 work days
Brand: EXCEEDCHEM
Product Description

White Solid MDI/Polyester Prepolymer Hardness 85

 

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 (%) 6.5±0.2
Density (25℃)/(g/cm3) 1.23
Viscosity at 85℃ (Mpa.s) 1400
Appearance at 25℃

White solid

 

4. Operation introduction

 

Ratio (Prepolymer/1,4BDO) 100/6.8
Mix temperature/℃ (Prepolymer/1,4BDO) 80/40
Gel time/min 10
Postcure (110℃)/h 48

 

 

5. Physical Properties

 

Hardness/ shore A 85±1
Tensile Strength/ Mpa 50
100% Modulus/MPa 5
300% Modulus/MPa 10
Elongation at break/% 540
Tear strength (without nick) / kN/m 82
Tear strength (with nick) / kN/m 41
Rebound/% 43
DIN Abrasion(mm3) 32

 

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.

 

 

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 No.166, Zhengyang Middle Road, Chengyang District, Qingdao City, Shandong Province, China. 266000
Contact Person Louis.liu

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