Description

Polyurethane is a versatile class of polymers formed by reacting a polyol with a diisocyanate or polymeric isocyanate, typically in the presence of catalysts and additives. This material is critical for its exceptional range of physical properties, which can be precisely engineered from flexible foams to rigid plastics and durable elastomers. It is essential for manufacturers across the automotive, construction, furniture, footwear, and insulation industries seeking materials that offer superior resilience, insulation, and abrasion resistance.

Application

• Flexible & Rigid Foams: Used in mattresses, furniture cushioning, automotive seating, and thermal insulation panels for buildings and appliances.
• Coatings, Adhesives, Sealants, and Elastomers (CASE): Formulating high-performance protective coatings for floors and industrial equipment, durable adhesives, waterproof sealants, and synthetic leathers.
• Automotive Components: Manufacturing of bumpers, interior panels, gaskets, and vibration-dampening parts.
• Footwear: Production of durable shoe soles, midsoles, and other components requiring excellent wear resistance.
• Industrial Elastomers and Rollers: Creating high-load-bearing wheels, rollers for printing and paper handling, and mining screen panels.
• Medical Devices: Used in certain biocompatible applications like catheter tubing and wound dressings, subject to specific medical-grade formulations.

Basic Information

Product Name	Polyurethane
CAS No.	9009-54-5
Molecular Formula	(C10H8N2O2C6H14O3)x (Representative)
Molecular Weight	Varies by formulation
Synonyms	PU; PUR; Polyurethane resin; Carbamic acid polymer; Isocyanate polymer; Polycarbamate; Urethane polymer; Oligomeric polyisocyanate polyadduct
EINECS	Contact for details

Quality Control

Our polyurethane materials are produced under strict quality management systems. Each batch is tested for key parameters such as viscosity, isocyanate content (for prepolymers), hydroxyl value, and mechanical properties to ensure consistency and performance. Certificates of Analysis (COA) documenting these specifications are available upon request. We can support compliance with relevant industry standards, including those for automotive, construction, and consumer goods.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area away from heat sources and open flames. For specific grades (e.g., isocyanate-containing prepolymers), storage under dry, inert atmosphere (nitrogen blanket) is recommended to prevent moisture absorption and degradation. Consult the specific product's technical data sheet for precise temperature and shelf-life recommendations.

Specification

Item	Specification
Appearance	Varies (Pellet, Liquid, Foam)
Type	Thermoplastic / Thermoset / Prepolymer
Viscosity (for liquids)	Grade-specific
Isocyanate Content (NCO%)	Grade-specific
Hydroxyl Value (mg KOH/g)	Grade-specific
Density	Grade-specific
Hardness (Shore A/D)	Grade-specific
Tensile Strength	Grade-specific
Elongation at Break	Grade-specific

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.