Polyurethane foam, referred to as PU foam. It is a foam plastic made of polyurethane as raw material. Polyurethane, English name polyurethane, referred to as PU. It is an emerging organic polymer material, known as the "fifth largest plastic". Therefore, polyurethane foam undoubtedly also belongs to the category of polymer materials. With its unique physical and chemical properties, it plays a pivotal role in the field of electronics.

Features

It has excellent sealing performance to avoid gas release and atomization.

Compression deformation resistance, that is, elasticity has durability, which can ensure long-term shock protection of accessories.

It is flame retardant, does not contain harmful substances, does not leave residue, will not pollute equipment, and is not corrosive to metals.

It can be used in a variety of temperature ranges. It can be used from minus 40 degrees Celsius to 90 degrees.

The surface has excellent wettability, is easy to bond, easy to make, and easy to punch.

The engineering polyurethane formula provides a wide range of applications to meet more design requirements.

 

Advantages

Lightweight: Due to its porous structure, polyurethane foam has a lower density, thus ensuring the lightweight characteristics.

High elasticity: Polyurethane foam can withstand greater pressure without deformation and has good elasticity.

Heat and sound insulation: The porous structure allows polyurethane foam to effectively reduce noise and heat transfer.

Chemical resistance: Polyurethane foam can resist corrosion from a variety of chemicals and has good chemical resistance.

Abrasion resistance and aging resistance: Polyurethane foam has excellent wear resistance and aging resistance and a long service life.

Processability: Polyurethane foam can be processed into various shapes and sizes to meet different application requirements.

 

Main uses

Panel interlayer: Function-no pollution, prevent loosening, prevent impact noise, and prevent adhesion.

Around the LED: Prevent light leakage, absorb impact, and increase air tightness.

PCB lower periphery: absorb impact, absorb vibration, fill gaps, and have heat insulation effect.

Keyboard gasket: rebound, no pollution, and good dimensional stability.

Around the battery: no pollution, absorb impact sound, and improve air tightness.

Foot pads: good friction, no pollution, good dimensional stability.

Drive tail pads: absorb vibration, prevent impact noise, and improve air tightness.

Friction gaskets: good friction, no pollution, and good dimensional stability.

Disk cover cushions: absorb vibration, block motor noise, prevent shock, and improve air tightness.

Around the speaker: prevent noise and fill the gap.

Around the LCD: dustproof, absorb impact, fill the gap, and improve light shielding.

 

Selection Guide

Application requirements: Select the appropriate type of polyurethane foam according to the specific requirements of the product for shockproof, heat insulation, sealing and other properties.

Environmental factors: Consider the impact of the product use environment (such as temperature, humidity, and chemical environment) on material performance.

Performance focus: Pay attention to indicators such as temperature resistance, waterproofness, resilience and sound insulation of polyurethane foam.

Cost-effectiveness: Under the premise of meeting the needs, choose a solution with a higher cost performance.

Environmental standards: Choose products that meet international environmental standards to reduce the impact on the environment.

Brand reputation: Choose products from well-known brands to ensure the quality and performance of polyurethane foam.

 

As a high-performance polymer material, polyurethane foam has become an indispensable cushioning material in many industries due to its unique properties and wide application fields. Whether it is automobile manufacturing, electronic products or furniture construction, polyurethane foam has won wide market recognition and customer trust with its excellent performance. Choosing Shenzhen Kaiming means choosing a high-quality, high-efficiency and high-reliability cushioning material solution.