Printed Grade Frosted PC Film

Printed grade frosted PC Film (Polycarbonate Film) is often used in membrane switches and control panels of home appliances due to its excellent physical and chemical properties. This type of application requires very high material requirements, including wear resistance, chemical resistance, moderate transparency, and good printing performance.The surface of PC is velvet, another side is matte, or velvet/gloss. The thickness can be 0.125~0.76mm. 

 

 

Physical and chemical properties of printed grade frosted PC film are followings:
Wear resistance: The control panel of home appliances often needs to be operated by touch, so the material needs to have high wear resistance. Printed grade frosted PC film has good wear resistance and can resist prolonged touch operation without causing surface damage.

Chemical resistance: In the home environment, the control panel may come into contact with various cleaners and other chemicals. Frosted PC film resists the erosion of these chemicals, thereby maintaining the integrity and aesthetics of the panel.

Transparency and optical performance: Although frosted PC film is not completely transparent, it can effectively scatter light and reduce the direct reflection of light, making the visual effect of LED or LCD display more comfortable and clear.

Printability and processability:Printed grade frosted PC film can be processed by screen printing and other methods, which is convenient for graphic and text design on the material,like membrane switches,control panels,touch screen,etc. Home appliances are included fridge,washing machine,dish- washing machine,microwave oven,oven,air condition ect.

 

 

Q1: How to ensure the adhesion between the sandblasted surface and the printed pattern?
A: The surface wetting property should be enhanced through corona treatment (surface dielectric constant ≥ 48 mN/m). It is recommended to use UV-curable ink. After printing, the peel strength should be greater than 2.8 N/cm (ASTM D3359).

Q2: How does the frosted texture affect the printing resolution?
A: By using laser etching technology (Ra 3.0-5.0μm), fine printing with a minimum line width of 0.15mm can be achieved (in accordance with ISO 12647-2 standard), ensuring the clarity of the graphics.

Q3: Will the abrasive layer wear off and fall off after long-term use?
A: After being treated with reinforced cross-linking, it has passed the Taber abrasion resistance test (CS-10 wheel, 1kg load, 1000 cycles, haze change < 5%, ASTM D1044).

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