Cold Castable PU Prepolymer PU Mould Glue Hardness 70

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

4. Operation introduction

5. Physical Properties

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.

Qingdao Exceed Fine Chemicals Co., Ltd is a high-tech enterprise that integrates manufacturing and trading. We specialize in the production of polyurethane-based products.

Our company is dedicated to investing in research and development of cutting-edge products, collaborating with leading Chinese universities and institutions. We have successfully developed a heat-vulcanization, environmentally friendly bonding adhesive that rivals the quality of world-renowned brands like Lord and Dow.

At Exceed, we believe in the power of science

Qingdao Exceed Fine Chemicals boasts a team of over 30 skilled technicians, supported by advanced manufacturing equipment and robust production processes. We maintain an independent R&D institute and foster strong collaborations with leading universities and research institutions to continuously enhance our production processes, product quality, and performance.

With decades of dedicated efforts, we have successfully exported our products to markets across the globe, including Europe, Asia, North America, South America, Oceania, and Africa.

Furthermore, leveraging our extensive domestic network, we act as a reliable purchasing agent, assisting customers in sourcing specific materials according to their unique requirements.

 Furthermore, we employ a dedicated team of quality control (QC) professionals with expertise in the field of chemicals. This rigorous quality control ensures consistent and reliable product quality for our valued customers.

Currently, we achieve annual export sales exceeding USD 30 million to over 30 countries worldwide, encompassing a diverse product range including polyurethane chemicals, heat-vulcanization environmental friendly bonding adhesive etc.

We understand that customers prioritize competitive pricing, exceptional quality, and consistent product availability. We firmly believe that Exceedchem is the ideal partner to fulfill your specific needs.

As a trusted purchasing agent for clients worldwide, we leverage our extensive experience to source high-quality products at competitive prices. Our primary objective is to deliver the most cost-effective solutions while maintaining the highest standards of quality.