POLYVA water soluble paper bags has verified quality. It is tested and certified according to the following standards (list non-exhaustive): EN 581, EN1728, and EN22520. It can withstand the corrosion of acid, alkali, and other chemical substances
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POLYVA water soluble paper bags is carefully checked before shippment. The focus are on jump stitches, needle breaks, licking and crease stitching. The product has the advantage of high strength
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POLYVA polyvinyl alcohol film will go through a comprehensive inspection, including its internal stress, fatigue resistance, dimensional accuracy, surface treatment effect, and other mechanical properties. The product has a high-hardness surface
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POLYVA water soluble paper bags is made of a technical package-a comprehensive package of design details. Through this, the product can meet the customerundefineds exact specifications. The edges of the product have been machined to be smooth
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Testing is carried out at each stage of the POLYVA polyvinyl alcohol film production cycle, including pre-production, production and after-sales market. Strict quality procedures ensure hypoallergenic - beyond government cleanliness requirements. It has a strong adjustment function, ensuring the calibration accuracy
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The product has high stability. It is not susceptible to emergencies, such as sudden power failure or instantaneous change of current. The product has the advantage of high strength
