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Every layer of PVB film rolls should be separated by film and vacuumed by aluminum foil, and put into wooden case. the finished qualified product should be enclosed with the conformity certification and packing list, etc.


The product should be stocked in a clean warehouse in normal temperature . It is prohibited to leave it under direct sunlight. Once the packing is broken or opened, it should be stocked under temperature of 20℃±5℃ and in a relative humidity of 20%-40%



Avoid exposing to the sun, rain and vigorous shaking during transportation.

4、Guarantee period

Well-packed and under the normal temperature, the product has a quality guarantee of 2 years.