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Cold Castable PU Prepolymer PU Mould Glue Hardness 70

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Cold Castable PU Prepolymer PU Mould Glue Hardness 70

Cold Castable PU Prepolymer PU Mould Glue Hardness 70
Cold Castable PU Prepolymer PU Mould Glue Hardness 70 Cold Castable PU Prepolymer PU Mould Glue Hardness 70

Large Image :  Cold Castable PU Prepolymer PU Mould Glue Hardness 70

Product Details:
Place of Origin: China
Brand Name: EXCEEDCHEM
Certification: ISO9001:2008
Model Number: EM470-A / EM470-B
Payment & Shipping Terms:
Minimum Order Quantity: 1mt
Price: 2.90usd/kg
Packaging Details: 20kg/drum
Delivery Time: 5-7 work days
Payment Terms: L/C, T/T
Supply Ability: 1000mt/month

Cold Castable PU Prepolymer PU Mould Glue Hardness 70

Description
Appearance: Light Yellow Transparent Liquid Ratio A:B (mass Ratio): 1.2:1
Hardness (shore A): 70±2 Shelf Life: 6 Months
Packing: 20kg/drum, 200kg/drum Rebound (%): 55
High Light:

Cold Castable PU Prepolymer

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PU Mould Glue Hardness 70

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Transparent PU Prepolymer

Cold Castable PU Prepolymer (PU Mould Glue) Hardness 70

 
1. Description
This system materials is Bi-component. A is polyol component, and B is MDI-terminated pre-polymers.
It has excellent processing properties, cured under room temperature, short demould time, and the color can be changed by adding pigment. The final products are transparent which enjoy good abrasion resistance, water resistance, good resilience. The hardness is in the 40 to 90 shore A hardness range.
 
2. Application
This system material is used to produce various Pu mould, such as shoe mould, concrete mould tec. It can substitute silicone rubber to produce “artificial culture stone”.
 
3. Product Specification
 

TypeEM470-A
Viscosity(mPa·s/25℃)1700±200
AppearanceLight yellow transparent liquid
TypeEM470-B
Viscosity(mPa·s/25℃)670±150
AppearanceColorless or light yellow transparent liquid

 
4. Operation introduction
 

Ratio A:B (mass ratio)1.2:1
Operating Temperature(℃)25~40
Mold temperature(℃)30
Gel Time(min/30℃)13~14
Appearance of final productsLight yellow elastomer

 
5. Physical Properties
 

Hardness (shore A)70±2
Tensile Strength ( Mpa)8
Elongation at break (%)500~700
Tear strength(kN/m)30
Rebound (%)55
Specific Gravity (25℃) (g/cm3)1.08

 
6. Mixing and curing
A component ---------------------------------------------------------------------- 100
B component -----------------------------------------------------------------------as the recommended ratio
Mix temperature (A/B)/℃ -------------------------------------------------------25~40
Mould temperature ℃ -----------------------------------------------------------30
Gel time (min) ----------------------------------------------------------------------as the above data
 
Note: these above data is tested by EXCEED, and are not intended to serve as specification.
 
7. Storage
Store in a cool and dry place,If you can’t use it up at one time, Pls fill nitrogen gas and then seal it.
 
8. Shelf life
The storage time of original packing is 6 months at the above condition from the date of production.
 
9. Package
20kg or 200kg per steel drum
 
10. Operation by manual
1.Take certain A component to make reserve.
2. Calculate B component to make reserve.
3. Pour B component to A component and stir evenly.
4. Cast the mixture of step 3 to the mould.
5. Open the mould when the product is hard.
6. Post cure 16 hours at 100℃.
Note: The mixture in the step 3 can be vacuumized to get rid of bubble.
 
11. Operation by casting machine
1. Put some A component into A tank, vacuumize to make reserve.
2. Put some B component into B tank, vacuumize to make reserve.
3. Cast the two materials according the ratio to the mould.
4. Open the mould when the product is hard.
5. Post cure 16 hours at 100℃.
 
12. 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.
 
Note 1
It generally cures to a demouldable state in 30 to 60 minutes; however, thin sections or certain part configurations may require more in-mould cure time.
Sections that are less than 3mm may require more before demould. It depends on different products.
Note 2
Both components should be mixed before each use to ensure uniformity of the materials. Opened containers of material should be prevented moisture contamination from humid air.
 
Disclaimer
The data presented in this leaflet are in accordance with the present state of our knowledge, and does not absolve the user from carefully checking all supplies immediately on receipt. We reserve the right to alter product constants within the scope of technical progress or new developments.
The recommendations made in this leaflet should be checked by preliminary trials because of conditions during processing over which we have no control, especially where other companies’ raw material are also being used. Recommendations for use do not constitute a warranty, Either expressed or implied, of the fitness or suitability of the product for a particular purpose.

Contact Details
Qingdao Exceed Fine Chemicals Co.,Ltd

Contact Person: Mr. Louis.liu

Tel: 86-15275281902

Fax: 86-532-82693196

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