The film material has the same structure as the paper material, with the only difference being that the material surface needs to be treated.
(2) Surface characteristics and treatment methods
The principle of the ink layer forming a pattern on the print is penetration, volatilization, conjunctiva, and curing. Due to the high density of the film, the ink is only volatilized, conjunctiva, and does not penetrate during the curing process. Therefore, the surface of the film needs special treatment. The role of surface treatment is to increase the surface tension of the film, making it greater than the surface tension of the ink, so as to achieve the correct combination of ink and film materials.
Surface treatment usually has the following methods:
1 Corona treatment: discharge the high-voltage charge to the surface of the film, and finally achieve the purpose of increasing the surface energy, that is, the surface tension. Corona treatment is generally carried out at a thin film manufacturing plant. Since the surface tension is time-limited, it requires strict inspection before printing. Therefore, some advanced equipment has a pre-press corona treatment device to print high-quality film products.
2 Print Processing: Chemically alters the surface characteristics of the film to make it suitable for ink printing or ribbon printing.
3 Surface coating: The use of chemical coating on the film surface, increase the surface tension, change the surface properties.
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Q1: What`s the stand delivery period?
A:Normally, It takes 25-30days for the LCL shipment, 35-40 days for the FLC shipment for your ref.
Please subject the confirmation from the sales when you place order.
Q2: How about payment term?
A:FOB JIANGMEN for FCL, 30% deposit before production and 70% balance before shipment.
T/T, western union are available.
Please subject to the confirmation when you sign the contract.
Q3: What's the shipping cost?
A: Shipping cost will be checked once have your interested models, order quantity and delivery port.
Q4:How about warranty?
A: The warranty period is one year after the delivery date.
Q5:Can you do customize design or OEM?
A: Yes, We have our own professional R&D team for customize design and OEM.
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ChaoHui Beauty Salon Equipment Co., Ltd. , https://www.chaohuibeauty.com