T/TTPVB 0001-2020 (English Version) PDF

Scope: This standard is based on the national PVB industry standard JC/2166-2013, and has been partially improved and improved based on industry market demand and practice. a. The product classification and code names basically follow the national industry standards, with slight modifications and enrichments, and are separated from the classification due to customer needs for product marketing. b. For the intrinsic quality requirements of the product, we improve it from the aspects of appearance, physical and chemical properties and mechanical properties. 1. The appearance defects were mainly modified from the number and length of joints. 2. Intrinsic quality, two indicators such as moisture content qualification rate and heat shrinkage rate have been modified to make them more stringent. 3. Delete some indicators that are not practical for marketing purposes, such as the yellow index, and add three new quality indicators: peel strength, impact resistance, and penetration resistance. C. The judgment of quality inspection results is more clearly defined based on the actual situation. The formulation of the above standards is more specific and practical than the 2013 industry standards. It is easier to master and implement in the production process and market trade process.

T/TTPVB 0001-2020 history