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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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Projects of ISO/TC 138/SC 3/WG 1

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Document number	Begin	Title	Comment
ISO/CD 4433-5	2024-12-20	Thermoplastics piping systems - Preliminary evaluation of the resistance to chemicals - Part 5: Unplasticized Polyamide (PA-U) piping components More	Comment
ISO/DIS 4433-4	2024-12-03	Thermoplastics piping systems - Preliminary evaluation of the resistance to chemicals - Part 4: Poly(vinylidene fluoride) (PVDF) and Ethylenechlorotrifluoroethylene (ECTFE) piping components More	Comment
ISO/DIS 4433-3	2024-12-03	Thermoplastics piping systems - Preliminary evaluation of the resistance to chemicals - Part 3: Unplasticized poly(vinyl chloride) (PVC-U), high-impact poly(vinylchloride) (PVC-HI), modified poly(vinylchloride) (PVC-M), alloy poly(vinylchloride) (PVC-A), oriented poly(vinylchloride) (PVC-O) and chlorinated poly(vinyl chloride) (PVC-C) piping components More	Comment
ISO/DIS 4433-2	2024-12-03	Thermoplastics piping systems - Preliminary evaluation of the resistance to chemicals - Part 2: Polyolefin piping components-polybutene (PB), polyethylene (PE), crosslinked polyethylene (PE-X), polypropylene (PP) More	Comment
ISO/DIS 4433-1	2024-12-03	Thermoplastics piping systems - Preliminary evaluation of the resistance to chemicals - Part 1: Test method More	Comment

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