Electronic auxiliary materials include insulation materials, various types of foam and metal film materials, etc. Below we will list commonly used materials:
Electronic materials series
| Material | Full name of material | Characteristics and application |
| PET film | Polyethylene Terephthalate protective film | PET protective film is a transparent, durable film used to protect surfaces from scratches, transportation, and storage. With excellent machining characteristics, chemical resistance and wear properties, it is commonly applied to electronic displays, automotive components, and other sensitive surfaces requiring protection. |
| PVC film | Polyvinyl Chloride film | Usable with a wide range of products, from base films for printing to clear films for surface protection. Customizable functional enhancements also available. |
| PMMA sheet | Polymethyl Methacrylate sheet | Acrylic sheet exhibits glass-like qualities—clarity, brilliance, and transparency—but at half the weight and many times the impact resistance of glass. From durable signs and skylights, to eye-catching retail store fixtures, displays and shelves, acrylic plastics provide outstanding versatility, durability, and aesthetic qualities. |
| PC film | Polycarbonate film | PC film is a thermoplastic material known for its high impact resistance, optical clarity, and heat resistance. It is commonly used in applications requiring transparency, durability, and heat resistance.The film is easy to die cut and has excellent ink adhesion. PC films are offered in light management (light diffusing), graphic, blended films, and scratch resistant films. |
| MICA | MICA plate | A mica plate is a thin, heat-resistant insulating material used for electrical and thermal insulation in high-temperature and high-voltage applications, such as electrical equipment and industrial machinery. |
| Foam EVA | Ethylene-vinyl acetate copolymer foam | EVA foaming materials offer excellent properties: good water resistance, superior heat/cold insulation and low-temperature performance, plus high resilience, tensile strength, toughness and shockproof/buffering ability. Easily processed (hot pressing, cutting, gluing, laminating, etc.), they have good sound insulation via closed cells, and resist corrosion from seawater, oil, acids and more—antibacterial, non-toxic, pollution-free. Common uses: sports equipment, thermal insulation, footwear, bag linings, and electronic materials |
| Foam silicone | Silicone rubber foam | Foam silicone is white and becomes soft elastic material after vulcanization. It is a kind of environmental protection material, the product produced is non-toxic and tasteless, safe and healthy. It can make flexible silicone rubber products such as human body, insole, shoulder pad, patch and anti-slip pad. |
| Foam EPDM | Ethylene-propylene foam | EPDM is divided into closed cell foaming and open cell foaming. The closed cell foaming material has an independent pore structure, and the closed cell foaming material is separated by the wall between the hole and the hole, and is not connected to each other. They are mainly small bubbles or tiny pores. The open foam material is connected with the bubbles and the outer skin. They are independent bubbles, mainly large bubbles or coarse pores.Its ozone resistance, heat resistance, weather resistance and other excellent aging performance, can be widely used in automotive parts, building waterproof materials, wire and cable sheath, heat resistant hose, tape, automotive seals and other fields. |
| Foam CR | Chloroprene foam | Foam CR features light weight, high toughness, heat insulation (low thermal conductivity, excellent heat preservation), and an independent bubble structure (non-water absorption/low water absorption). It offers superior cushioning, impact resistance, and weather resistance, and passes the ozone resistance test (50pphm*40°C*72 hours). Its main uses include: - Packaging ; - Civil/building applications ; - Vehicles/ships ; - Thermal insulation; - Sound insulation/moistureproofing. |
| Foam PU | Polyurethane foam | The PU foaming material is not only beautiful in appearance, light in material, easy to install, but also has the advantages of high heat insulation, sound insulation, fire prevention and long service life compared with the sandwich board of similar products. The installation adopts direct lap joint, convenient construction, relatively low cost, and can better prevent roof degumming, leakage and other phenomena, is the ideal roofing material. |
| EMI | Conductive foam | Shielding foam gaskets are compressible, conductive foam materials designed to provide electromagnetic interference (EMI) shielding and environmental sealing in electronic enclosures and housing. They are used to prevent EMI leakage and protect sensitive electronic components from external interference. |
| Fabric Foam | / | Foam fabric is a textile made by bonding polyurethane foam to fabric via heat and pressure. It serves as a technical lining for footwear components, offering comfortable padding, and works with waterproof items and knitted products too. Boasting elasticity (to support other materials) and other standout properties, it’s ideal for furniture upholstery, floor insulation, quilting, and more. |
| Nomex | Nomex paper | Nomex paper is a synthetic polymer insulating paper with high mechanical properties, flexibility, good electrical properties, and high temperature resistance. It is widely used in generators, transformers, electrical equipment, electromechanical and household appliances. In the construction industry, such as wooden structures, it is often used as waterproof material for exterior walls and roofs. Because of its one-way air permeability, it is also called "breathing paper." |
| Barley paper | Highland Barley paper | Insulated paper, also known as electrical grade paper, is a type of cellulose-based material used for electrical insulation in transformers, motors, and electrical equipment. It is valued for its high dielectric strength, thermal stability, and moisture resistance. |
| Aluminum | Aluminum foil | Aluminum tape, also known as aluminum foil tape, is a flexible adhesive tape made of aluminum foil, used for EMI shielding, thermal insulation, and moisture protection in electronic and HVAC applications. |
| Copper | Copper foil | Copper tape is a thin, flexible adhesive tape made of copper, used for EMI shielding, electrical grounding, and electrical connectivity in electronic applications. It is valued for its high electrical conductivity and corrosion resistance. |
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