Posted on May 15, 2019May 18, 2019 by Pulse AssentISO 305:2019 Plastics. Determination of thermal stability of poly(vinyl chloride), related chlorine-containing homopolymers and copolymers and their compounds. Discoloration method Link: ISO 305:2019 Plastics. Determination of thermal stability of poly(vinyl chloride), related chlorine-containing homopolymers and copolymers and their compounds. Discoloration method Source: BSI Standards Related Posts:UK and Singapore Enhance Cooperation in Sustainable…Landmark post-Brexit trade deals to come into force…Small businesses benefitting more than ever from…New laws to introduce digital labelling for…£80 million boost to help UK businesses tackle…