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ISO 20965:2021PublishedPlastics — Determination of the transient extensional viscosity of polymer meltsISO 21048:2014PublishedPlastics — Epoxy resins — Determination of 1,2-glycol contentISO 21257:2024PublishedPlastics — Polymer polyols for use in the production of polyurethanes — Determination of the residual acrylonitrile and styrene monomer content by gas chromatographyISO 21301-2:2019PublishedPlastics — Ethylene-vinyl acetate (EVAC) moulding and extrusion materials — Part 2: Preparation of test specimens and determination of propertiesISO 21301-1:2019PublishedPlastics — Ethylene-vinyl acetate (EVAC) moulding and extrusion materials — Part 1: Designation system and basis for specificationsISO 21302-2:2019PublishedPlastics — Polybutene-1 (PB-1) moulding and extrusion materials — Part 2: Preparation of test specimens and determination of propertiesISO 21302-1:2019PublishedPlastics — Polybutene-1 (PB-1) moulding and extrusion materials — Part 1: Designation system and basis for specificationsISO 21304-2:2021PublishedPlastics — Ultra-high-molecular-weight polyethylene (PE-UHMW) moulding and extrusion materials — Part 2: Preparation of test specimens and determination of propertiesISO 21304-1:2019PublishedPlastics — Ultra-high-molecular-weight polyethylene (PE-UHMW) moulding and extrusion materials — Part 1: Designation system and basis for specificationsISO 21305-1:2019PublishedPlastics — Polycarbonate (PC) moulding and extrusion materials — Part 1: Designation system and basis for specificationISO 21305-2:2019PublishedPlastics — Polycarbonate (PC) moulding and extrusion materials — Part 2: Preparation of test specimens and determination of propertiesISO 21306-1:2019PublishedPlastics — Unplasticized poly(vinyl chloride) (PVC-U) moulding and extrusion materials — Part 1: Designation system and basis for specificationsISO 21306-2:2019PublishedPlastics — Unplasticized poly(vinyl chloride) (PVC-U) moulding and extrusion materials — Part 2: Preparation of test specimens and determination of propertiesISO 21309-2:2019PublishedPlastics — Ethylene/vinyl alcohol (EVOH) copolymer moulding and extrusion materials — Part 2: Preparation of test specimens and determination of propertiesISO 21309-1:2019PublishedPlastics — Ethylene/vinyl alcohol (EVOH) copolymer moulding and extrusion materials — Part 1: Designation system and basis for specificationsISO 21318:2007PublishedPlastics — Epoxy resins — Determination of electrical conductivity of aqueous resin extractsISO 21367:2007PublishedPlastics — Reaction to fire — Test method for flame spread and combustion product release from vertically oriented specimensISO 21475:2019PublishedPlastics — Methods of exposure to determine the wavelength dependent degradation using spectrally dispersed radiationISO/TS 21488:2020PublishedPlastics — Test method for exposing polyolefins outdoors combining natural weathering and artificial irradiationISO 21509:2006PublishedPlastics and ebonite — Verification of Shore durometersISO 21627-3:2009PublishedPlastics — Epoxy resins — Determination of chlorine content — Part 3: Total chlorineISO 21627-1:2009PublishedPlastics — Epoxy resins — Determination of chlorine content — Part 1: Inorganic chlorineISO 21627-2:2009PublishedPlastics — Epoxy resins — Determination of chlorine content — Part 2: Easily saponifiable chlorineISO 21702:2019PublishedMeasurement of antiviral activity on plastics and other non-porous surfacesISO/TR 21960:2020PublishedPlastics — Environmental aspects — State of knowledge and methodologies