GB/T 41936.2-2022 Plastics—Determination of stiffness in torsion of flexible materials—Part 2: Application to plasticized compounds of homopolymers and copolymers of vinyl chloride (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 41936.2-2022
Scope
This document describes a method for the determination of the temperatures corresponding to the three characteristic values of torsional stiffness of plasticized vinyl chloride homopolymers and copolymers. This document applies to flexible materials that use vinyl chloride homopolymers and copolymers as main raw materials and add plasticizers.
GB/T 41936.2-2022 Referenced Document
ISO 458-1:1985 Plastics; Determination of stiffness in torsion of flexible materials; Part 1 : General method
GB/T 41936.2-2022 history
2022GB/T 41936.2-2022 Plastics—Determination of stiffness in torsion of flexible materials—Part 2: Application to plasticized compounds of homopolymers and copolymers of vinyl chloride