Plastics. Polyols for use in the production of polyurethane. Determination of degree of unsaturation by microtitration Ingestion-build-232773 austenitic-ferritic and ferritic stainless steel

austenitic-ferritic and ferritic stainless steel products

BS EN 60512-3-1 discusses the different measuring methods to verify the performance characteristics of connectors which ensures their reliability

Added an Annex that compiles all of the mandatory documented information called for in ISO 20000-1

improve customer confidence and trust in such services

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Plastics. Polyols for use in the production of polyurethane. Determination of degree of unsaturation by microtitration Ingestion-build-232773 austenitic-ferritic and ferritic stainless steel1 Scope This International Standard specifies a microtitration method to measure the degree of unsaturation in polyether polyols used in the production of polyurethanes. It is based on the reaction of mercuric acetate with double bonds in the polyol. It does not apply to compounds in which the unsaturation is conjugated with carbonyl, carboxyl or nitrile groups. The product being measured must be essentially dry and free of inorganic salts, especially