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Polyurethane (PU)

Polyurethane (PU)
CAS No.: 9009-54-5
Molecular Formula: C3H8N2O
Molecular Weight: 466.61078
+86 18765828098
+86 18765828098
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Product Introduction

Polyurethane (PU)—fully known as polycarbamate—is a highly moldable polymer material formed through the polycondensation reaction of polyols and polyisocyanates, and it exhibits excellent mechanical properties.


CHEMICAL PROPERTIES

AppearanceColorless to light yellow transparent / slightly turbid viscous liquid
Gardner Color≤2#
Density1.05~1.25 g/cm³
Viscosity1000~20000 mPa·s (1~20 Pa·s)
Solid Content (Non-Volatile Matter)30%~50% (Solvent-based); 35%~60% (Water-based)
NCO Group Content0.5%~25%
Hydroxyl Value (Polyol Component)40~100 mgKOH/g
Flash Point≥200°C
Solvent SystemDMF, Methyl Ethyl Ketone (Butanone), Ethyl Acetate, Toluene (Solvent-based type)
Moisture Content≤0.1%


PRODUCT USAGE

Polyurethane resins have an extremely wide range of applications—primarily in the production of foams, coatings, adhesives, and elastomers—and are deeply integrated into the construction, automotive, textile, and electronics industries.

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FAQ

Q: Are you a factory or a trading company?

A: We are a company integrating manufacturing and trading.

Q: Can you provide samples for testing before mass production?

A: Of course. We can send you samples free of charge, and we also include a COA. However, you will be responsible for the shipping fee.

Q: How can I get an accurate quote?

A: Please provide the exact product specifications, particle size, color, and intended use, and we will provide you with an accurate quote.

Q: Can you provide a COA?

A: Of course, but only for standard products. If you require an accurate COA, we will produce and test samples before providing you with an accurate COA.

Q: Do you accept ODM or OEM services?

A: Yes, we offer customized services for ingredients, packaging, and labeling. We have strong design capabilities. Please contact us to design your own brand.

Q: Can I visit your factory before placing a large order?

A: Of course. We welcome you at any time.

Q: What is the loading port?

A: Usually Qingdao or Tianjin.

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