HG/T 4769.1-2014 《Pigments and extenders.Testing of colouring materials in plasticized polyvinyl chloride (PVC-P).Part 1: Composition and preparation of basic mixtures》 Related products

This part specifies the preparation process of colorant test base mixtures and their components in plasticized polyvinyl chloride (PVC) (PVC-P). Mainly distinguishes between transparent and white base mixtures. Apply to the preparation of pigment and extender test base mixtures in PVC-P. The referenced documents include GB/T 614, GB/T1706, GB/T3401, GB/T4612, GB/T 5532, GB/T6743, GB/T 9282.1, HG/T 4767.2, SH/T 0228, SH/T 0604 and ASTM 3720-90. The composition of the base mixture should meet the specified requirements, and the preparation process should follow the corresponding standards.