Two Component Shore 65 Polyurethane Doming Resin

Weather resistant non yellowing polyurethane doming resin

1. Description

This is a two-component, colorless clear, flexible, low viscosity, fast cure liquid polyurethane resin; it has excellent UV and yellow resistance property, weather resistant and anti-aging, form a bright crystal clear and smooth surface after cured. It is widely used in doming, casting, encapsulation, potting, and non-yellowing coating and so on.

2. Properties

3. Finished product properties

4. Operation details

• It is very important to maintain the humidity of the operating environment. We recommend please do the operation as follow.
• Pre-Processingthe base material which need to doming/potting/coating: put it into the 60°C oven to remove the moisture on the surface.
• Keep the container clean and dry which used to mixing the adhesive.
• Take the correct mix ratio amount of part A and part B, A:B=1:1 (by weight).
• Stir the mixture uniformly, and then do the operation of take off the gas immediately (use the vacuum pump to de-foaming), until there is no bubble on the surface of liquid.
• Please use up the mixture within the operation time, the more quantity of mixing, the less operation time.
• The operation of potting/doming: don’t potting in a high height, don’t potting in many different areas, just take a standpoint and potting the glue slowly. Doming: use clean needle to doming. If use the tube package product, just connect the mixing tube and doming, the usual thickness is about 2mm, observe the surface within 5min after doming, use the needle to remove the small bubbles if there have.
• Curing condition and time: 50°C×2.5h or 55°C×2h or 60°C×1.5h.
• During curing, please keep the environments cleaning to avoid the dirt dropping into the uncured glue.
• It is very important to seal the part A and part B well after use. And please take the basic protective measures when operation.

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.