EVA film delivery and application need to pay attention to what?
Release date:2016-06-30 11:59 source:http://www.hzxz88.com Views:
Time of delivery for EVA film need to control the quality of the factors
1, the customer in the extraction of EVA film, be sure to check whether the outer packing is in good condition, whether by rain and other pollution phenomenon, if you have this bad phenomenon, should be timely to transport units.If it is late again to complain about the quality, it is difficult to put forward reasonable compensation claims to transport units.
2, the film opened before use, be sure to check the film indicate on the outer packing of goods number, confirmed rear can use.When use, please put "product label" on the outer packing well and temporarily keep off gently, so that when use glue after found the problem in a timely manner to the manufacturer to provide relevant information for inspection.
3, if found to have a small amount of tiny holes in the film, is likely to manufacturer factory product inspection, does not affect the normal use;If discover hole quantity big hole state, please stop using immediately;Also, find that there are other anomalies film, please stop using immediately and contact the manufacturer, so as not to cause unnecessary loss of both parties.
4, if the film due to improper storage slight phenomenon of be affected with damp be affected with damp, do not blind production, should be a piece of glass sample check the adhesive fastness, after put into use again.
For most of the laminated glass, the need to use sealant to seam during installation.For some species of sealant for EVA film will adverse reactions, is likely to cause degumming surrounding the laminated glass, blister or black.When using sealant for laminated glass sealing, and adopt the right operating methods.Such as: to use acetone to sandwich glass is swabbed clean and dry, and the glue liquid infiltration of PVB film into the sides of the upper and lower two pieces of glass, the formation of cavity, with pincers clamp.Surrounding edge, obligate glue for glue.For the gel degassing of liquid through the film bag slowly into the cavity, perfusion after the glue solution let stand 6 to 8 minutes.In quiet place after a period of time, tap the glass, and a certain pressure, as far as possible to vent air from soluble in liquid cement, flat glass step by step, rapid sealing, clamping fixation.Finally, after carefully check no bubble, will have perfusion of laminated glass placed in the sun light (or light), awaiting the curing.
The matters that should pay attention to in application in various fields
1, on a rainy day or workshop environment humidity is more than 65%, film, spun silk and pictorial materials and glass, etc., will be affected with damp be affected with damp and seriously affect the film adhesive strength.
2, hard to avoid in the process of production or use glue will be affected by light pollution, such as membrane surface such as trace impurities.Advising clients on close below to install a set of daylight lamp, in order to more clearly examine whether the film surface impurities, stains and other imprinting.
3 wire clamp, doing silk craft glass or tempered glass used when intermediate material (such as cotton, paper or plastic printing, natural fiber fabric, etc.), should carefully understand the characteristics of the surface of these intermediate material, because some of the material surface is conducted among coating treatment or printing (printing), so that the processed surface is likely and EVA film adverse chemical reactions and affect the film adhesive strength, therefore, be sure need to test these materials were used to detect and aging treatment, not blind production, not all materials are suitable for laminating.
4, different varieties of glass or film, using the same process should not be in the same furnace production, otherwise, because the quality of products.
5, molding sandwich glass should not be immediately after the edge grinding, otherwise it will affect the bonding strength of film around (easy to degumming).