What are the advantages of the properties of different materials for membrane switch panels?

Membrane switch panels are available in two different materials

1, PC material, degradable (environmental protection)

Low water absorption, good dimensional stability, excellent bending, tensile and compressive strength, excellent heat resistance and cold resistance, electrical insulation and atmospheric aging resistance, poor chemical resistance, poor fatigue resistance, It is prone to stress cracking, and generally has the widest range of applications. In addition to meeting the requirements of most membrane switch panels, the high light transmittance of smooth PC can also meet the requirements of liquid crystal display windows. PC frosted material, light transmittance of 78 %, the material is softer than PET, can be bent at will, not anti-aging, and resistant to weak acid and weak alkali. It is also one of the most widely used materials on the market at this stage. The embossed keys feel weaker than PET, and the material is environmentally friendly and degradable. Can meet export standards.

2, PET material, degradable (environmental protection)

Good chemical resistance, insoluble in general organic solvents, not alkali resistant, has excellent mechanical properties, performance, rigidity, hardness and the largest toughness among thermoplastics, low water absorption, wear resistance, excellent friction resistance, dimensional stability High performance, tensile strength comparable to aluminum film, much higher than PC, PVC. EBG180 is imported transparent anti-scratch material, F150 is imported PET frosted material, which has high temperature resistance and anti-aging. Even if it is frosted, the light transmittance of the material is still very high, and the PET light transmittance reaches 89%, The embossed keypads feel good ,which makes the color more vivid. It is the most ideal substrate for making membrane switch keypad and membrane circuit. Suitable for products with high environmental requirements.

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