Release Liners and Films

Release liners and films are materials with specialized non-stick coatings for adhesive tape, sealant, composite handling, dispensing and processing applications.  Release liners allow a double stick tape or transfer adhesive film to rolled or unrolled. Without a release lining system, double stick tape or transfer adhesive film could not be unwound and dispensed from a roll. Release liners are also useful in handling sheet molding compounds, sealants, labels, adhesive medical products (bandages, wound covering, electrodes, etc.) and graphics (signage, POS advertising, etc.)

There are many options to be considered when choosing release liners and films including type, strength, width, thickness, and length. Release liner and film type selection depends on the application and include paper, film, board, clay-coated, fluoropolymer, glassine, silicone coated, poly coated, wax coated, and speciality liners and films.  Release liners and films also have the option of being differentially coated, which applies a different coating on each liner and varies the degree of release. 

Strength is a major consideration for release liners and films because it must be able to withstand repeated diecutting without breaking or tearing. Liners and films must also have a good release value. Without a good release, diecutting will not work and the label will not dispense properly. 

Additional features for release liners and films include anti-static or ESD control, chemical resistance, moisture or vapor barrier, pre-printed with text or labeling, low transfer or extractability, sealable or controlled COF options, stretch film or wrap, transparency, and UV or weather resistance. Other features for release liners and films may also be available.

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• Care and Handling of LCDs - AN821
  LCDs typically have a life between 5 and 20 years. To prolong the life of your LCD, take note of the following precautions. LCDs are made of glass, so care should be taken to avoid any type of...
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