PU Mould Cold Cast Polyurethane Resin

Price Negotiable
Price: FOB Qingdao usd3.4/kg
MOQ: 1000kg
Delivery Time: 5-8working days
Brand: ExceedChem
Product Description

                                                     Cold Cast Polyurethane Resin For PU Mould
1. Introduction
It is a double component polyurethane resin including part A and B. A is polyol and B is prepolymer ended capping with isocyanate.
2. Application
It is special for casting concrete moudling. It is a substitution of silicone rubber making mould for “cultural stone”. It also applies to make electrical equipment potting, rubber roller, rubber plates, rubber wheels, shoe models and other wares.
3. Characteristics
It has excellent processing properties, solidification in common temperature, short time of demould, and regulating colors by adding pigment. The ware has good properties of abrasive resistance, waterproof, transparent, good elastic, and stable dimension.
4. Physical properties

Hardness Shore A80±2 at room temperature
Tensile strength (MPa) 10
Elongation at break (%) 500-700
Tear strength/ (kN/m) 40
Rebound / % 50
Specific gravity (25℃, g/cm3) 1.10

5. Handling properties


Appearance and Viscosity
Type Appearance Viscosity (30℃,MPa.S)
EX3800-A Light yellow liquid 750±100
EX3800-B Colorless or light yellow transparent liquid 1500±150
Mixing ratio A:B (by weight) A/B=100/100
Gel time (@30℃) 6-15 minutes(variable)
Demould time *Note 1
Cure schedule 7 days ambient; or demould with post cure of 12 hours @100-120℃ is recommended to promote maximum physical properties as given above

*The gel time can be regulated by catalyst*
6. Storage
Store both components A and B at 20-25℃. Keep the packing tightly in sealed container. If you can’t us it up at one time, please fill nitrogen gas and then seal it.
7. Shelf life
If stored under the above conditions the rein will have a shelf life of 6 months, from the date of production.
8. Packing
20kg or 200kg per iron drum

 

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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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