Polyurethane Foam

Polyurethane foam is a type of foamed material formed by the chemical reaction of isocyanates and polyols, possessing lightweight, porous, and highly controllable structural characteristics. Based on its foaming density, hardness, and pore morphology, it can be classified into flexible polyurethane foam, semi-rigid foam, and rigid foam, and is widely used in various applications such as cushioning, thermal insulation, sound absorption, and structural support.
Its internal cell structure can be open-cell or closed-cell, allowing it to possess both excellent comfort and elasticity, as well as high-strength insulation and support capabilities. Due to its wide range of applications, customizable performance, and flexible processing, polyurethane foam has become an indispensable basic material in modern industry, construction, automotive, home furnishings, and electronic products.

◆ Product Features

1. Highly Customizable
The density, hardness, elasticity, and cell structure of polyurethane foam can be adjusted according to requirements, ranging from soft, comfortable sponges to high-strength, rigid insulation foams, meeting the diverse performance needs of multiple industries.
2. Lightweight and Excellent Mechanical Properties
The foam structure gives it extremely light weight while maintaining good toughness and strength. Soft foams have high resilience and a comfortable feel; rigid foams have excellent compressive strength and dimensional stability.
3. Excellent Thermal Insulation Performance
Closed-cell rigid polyurethane foam has a very low thermal conductivity, making it a common insulation material in energy-efficient buildings, cold chain systems, and industrial equipment.
4. Good Sound Absorption and Vibration Damping Performance
Open-cell foam can effectively absorb noise and vibration, and is commonly used in acoustic engineering, vehicle sound insulation, noise reduction in mechanical equipment, and various protective cushioning applications.
5. Flexible and Diverse Processing Methods
The material can be processed using various methods such as cutting, bonding, molding, casting, and foaming, and can be made into various product forms such as sheets, blocks, molded parts, and filling foams.
6. Strong Stability and Durability
Polyurethane foam has excellent water resistance, corrosion resistance, and aging resistance. Different formulation systems can meet long-term weather resistance or chemical resistance requirements.
7. Continuously Upgraded Environmental Protection System
Production can utilize low-VOC and CFC-free systems, conforming to green and environmentally friendly trends and improving the health and sustainability of the material.

◆ Application Industries

Construction and Energy-Saving Engineering
Rigid polyurethane foam is widely used in exterior walls, roofs, and floor insulation systems, providing excellent energy-saving effects; it is also used in building gap filling and sound insulation renovation.
Furniture and Home Furnishings
Soft foam is the main filling material for flexible furniture such as sofas, mattresses, pillows, cushions, and chair seats, providing comfort and support.
Automotive and Transportation
Used in car seats, headrests, sound insulation cotton, door linings, instrument panel filling, and energy-absorbing structures to improve vehicle comfort, safety, and noise control capabilities. 

Packaging and Protection
Its shock-absorbing and cushioning properties make it suitable as a protective packaging material for precision instruments, electronic products, glass products, and other items.  It can be customized in various shapes and densities.
Electronics and Electrical Appliances Industry
Used in sealing, insulation, cushioning, and sound and vibration damping components, such as air conditioner insulation layers, refrigerator insulation layers, and instrument support pads.
Industrial Manufacturing and Mechanical Equipment
Can be used as sealing strips, sound insulation panels, shock-absorbing pads, and filling materials to improve equipment stability and reduce noise and vibration.
Sports and Protective Equipment
Applied in sports shoe insoles, helmet liners, protective gear cushioning layers, and sports equipment support structures to improve protection and user comfort.

◆ Company Profile

Jiangsu Kequ New Material Technology Co., Ltd. is a company specializing in the production and research and development of rigid polyurethane foam insulation boards and rigid polyurethane foam composite materials. The company's main products are rigid polyurethane foam board series, polyurethane rigid foam composite material series, high resilience composite material series, and plastic runway slurry series, which are widely used in construction, refrigerated trucks, refrigerators, freezers, oil pipelines, heating pipelines, cold storage, solar water heaters, automobiles, furniture, military, hull insulation and other fields.

◆ Factory Appearance

◆ FAQ

What are the main types of PU foam?
PU foam is mainly divided into two types: rigid foam and flexible foam. Rigid foam is commonly used for insulation, thermal insulation, and structural filling, possessing high strength, low thermal conductivity, and dimensional stability; flexible foam is widely used in furniture, mattresses, seats, and cushioning materials, offering good elasticity and comfort. Density, hardness, and closed-cell content can be further customized based on application environment and performance requirements.
How durable is PU foam?
Polyurethane foam exhibits excellent durability and long-term performance. Rigid foam is resistant to water absorption, shrinkage, and deformation, maintaining stable thermal and structural properties during long-term use indoors and outdoors. Flexible foam has stable elasticity and fatigue resistance, able to withstand compression or repeated use for extended periods without easily being damaged, making it suitable for various industrial and daily applications.
What are the environmental and safety performance characteristics of PU foam?
Modern PU foam can be produced using environmentally friendly blowing agents, complying with green building and industrial standards. Rigid foam has low thermal conductivity and significant energy-saving effects, while flexible foam meets safety and fire resistance regulations. The material itself is non-toxic and odorless, and can be safely used indoors and in applications with high environmental and health requirements, such as food processing and cold chain logistics.

Kequ New Materials is willing to work with you to create brilliance together!