• Hydrogen Technologies Standards form the basic framework for market ramp-up

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  • Climate change Standards and specifications support climate targets

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  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

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Publications of CEN/TC 249

DIN ISO 4638 1993-07 Standards Polymeric materials, cellular flexible; determination of air flow permeability; identical with ISO 4638:1984 More  Order from DIN Media
DIN ISO 8975 1992-01 Standards Plastics; phenolic resins; determination of pH; identical with ISO 8975:1989 More  Order from DIN Media
DIN ISO 9944 1992-06 Standards Plastics; phenolic resins; determination of electrical conductivity of resin extracts; identical with ISO 9944:1990 More  Order from DIN Media

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