Casting Polyurethane 32472 85 8 Polyester Polyol

Polyester Polyol for Casting Polyurethane Series EG/AA based

1. Description

This series of polyester polyol is mainly used for producing polyurethane elastomer and the molecular weight can be adjusted according to customer request.

2. Application

This series of polyester polyols is mainly used for producing casting polyurethane especially middle and high hardness pre-polymer. The pre-polymer is mainly used for producing polyurethane sieve plate, caster, roller, pad, rod and molded potting product.

3. Physical properties

4. Key parameters

The hydroxyl number (OH): is the measure of the hydroxyl group content of gram of polyol.
Hydroxyl value (OH value): is measured by titrating a known mass of polyol against potassium hydroxide (KOH), and is expressed as mg KOH/g.

Lower hydroxyl values indicates lower hydroxyl content and a higher molecular weight for the overall polyol.

OH equivalent weight: is the number of grams of a given product that contains one equivalent of hydroxyl groups (NCO). Equivalent weight = 56100/OH
Molecular weight: is determined by multiplying the equivalent weight by the polyol functionality
The functionality: of the polyol refers to the number of OH groups per molecule.

Increasing the number of OH groups results in greater crosslinking. Greater crosslinking yields stiffer, harder products with enhanced chemical and thermal resistance. Polyols that contain 2 hydroxyl groups are called diols, polyols with 3 functional groups are called triols, polyol groups with 4 hydroxyl groups are called tetrols.

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.