Polyvinyl Alcohol Film
Polyvinyl alcohol film (referred to as PVA film) is produced by polyvinyl alcohol,which is the main raw material,with the technological process of dissolution, extruding, coating, drying film-forming. The biggest products has 1.6 meters wide,30-75 microns thick,has a good mechanical, optical performance.The main types are optic film and low temperature water soluble film.
|ITEM||PVA Optic film WW-AF-75 105||Low temperature water soluble film|
|Light transmittance (480nm)||≥90%||
|Draft ratio||≥500%(Wet process)||
|Tensile strength||≥60MPa(Wet process)||≥30MPa|
|Dissolution time||≤2min(15° Water)|
|Packing||Wooden Box||Wooden Box|
|Use||Optical Film,Production of all kinds of poarizing plate||Low temperature water soluble film,Products such as plastic,ceramic water transfer printing|
Optical thin film with three cellulose acetate membrane(TAC) compound,used for TN, the STN, TFT, LCD display and polarized glasses with polaroid manufacturing, water soluble film at low temperature can be used for hydrographics transfer printing of plastic. Ceramic products' surface.
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