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ISO/DIS 4433-1 - Thermoplastics piping systems — Preliminary evaluation of the resistance to chemicals — Part 1: Test method
Categories: Pipelines
Committee: ISO/TC 138/SC 3 (Plastics pipes and fittings for industrial applications)
Origin: ISO
Close date: 06 May 2026
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ISO/DIS 4433-2 - 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)
Categories: Pipelines
Committee: ISO/TC 138/SC 3 (Plastics pipes and fittings for industrial applications)
Origin: ISO
Close date: 06 May 2026
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ISO/DIS 4433-3 - 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
Categories: Pipelines
Committee: ISO/TC 138/SC 3 (Plastics pipes and fittings for industrial applications)
Origin: ISO
Close date: 06 May 2026
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ISO/DIS 4433-4 - Thermoplastics piping systems — Preliminary evaluation of the resistance to chemicals — Part 4: Poly(vinylidene fluoride) (PVDF) and Ethylenechlorotrifluoroethylene (ECTFE) piping components
Categories: Pipelines
Committee: ISO/TC 138/SC 3 (Plastics pipes and fittings for industrial applications)
Origin: ISO
Close date: 06 May 2026
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EN 1396:2023/prA1 - Aluminium and aluminium alloys - Coil coated sheet and strip for general applications - Specifications
Categories: Non-ferrous metal products
Committee: CEN/TC 132 (Aluminium and aluminium alloys)
Origin: CEN
Close date: 07 May 2026
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prEN 10250-3 - Open die steel forgings for general engineering purposes - Part 3: Alloy special steels
Categories: Iron and steel products
Committee: CEN/TC 459/SC 11 (Steel castings and forgings)
Origin: CEN
Close date: 07 May 2026
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prEN 13364-1 - Natural stone test methods - Part 1: Determination of the breaking load at dowel hole
Categories:
Committee: CEN/TC 246 (Natural stones)
Origin: CEN
Close date: 07 May 2026
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prEN 13364-2 - Natural stone test methods - Part 2: Determination of the breaking load at kerf slot and metal profile
Categories: Construction materials
Committee: CEN/TC 246 (Natural stones)
Origin: CEN
Close date: 07 May 2026
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prEN 14541-1 - Plastics pipes and fittings - Utilisation of thermoplastic materials in a circular economy - Part 1: Vocabulary
Categories: Rubber and plastics products
Committee: CEN/TC 155 (Plastics piping systems and ducting systems)
Origin: CEN
Close date: 07 May 2026
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prEN 17761 - Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 07 May 2026
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prEN 17759 - Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 07 May 2026
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prEN 17762 - Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 07 May 2026
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prEN 17816 - Liming materials - Determination of physical and chemical properties and specific contaminants
Categories: Fertilizers
Committee: CEN/TC 260 (Fertilizers and liming materials)
Origin: CEN
Close date: 07 May 2026
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prEN 18320 - Textile floor coverings - Production of changes in appearance by means of Vettermann drum tester with polyurethane studs
Categories: Floor coverings. Non-textile
Committee: CEN/TC 134 (Resilient, textile, laminate and modular mechanical locked floor coverings)
Origin: CEN
Close date: 07 May 2026
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prEN 3240 - Aerospace series - Nut, self-locking, clip, in heat resisting steel FE PA2601 (A286), uncoated - Classification: 1 100 MPa (at ambient temperature)/425 °C
Categories: Aerospace construction fasteners
Committee: ASD-STAN (Aerospace)
Origin: CEN
Close date: 07 May 2026
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prEN 3241 - Aerospace series - Nut, self-locking, clip, in heat resisting steel FE PA92HT (A286), silver coated - Classification: 1 100 MPa (at ambient temperature)/425 °C
Categories: Aerospace construction fasteners
Committee: ASD-STAN (Aerospace)
Origin: CEN
Close date: 07 May 2026
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prEN 4138 - Aerospace series - Screw, pan head, offset cruciform recess, coarse tolerance normal shank, medium length thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature)/235 °C
Categories: Aerospace construction fasteners
Committee: ASD-STAN (Aerospace)
Origin: CEN
Close date: 07 May 2026
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prEN 4178 - Aerospace series - Screw, pan head, six lobe recess, coarse tolerance normal shank, medium length thread, in titanium alloy, anodized, MoS2 lubricated - Classification: 1 100 MPa (at ambient temperature)/315 °C
Categories: Aerospace construction fasteners
Committee: ASD-STAN (Aerospace)
Origin: CEN
Close date: 07 May 2026
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prEN 4726 - Aerospace series - Aesthetical acceptance parameters for cabin equipment
Categories: Passenger and cabin equipment
Committee: ASD-STAN (Aerospace)
Origin: CEN
Close date: 07 May 2026
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prEN ISO 17268-2 - Gaseous hydrogen land vehicle refuelling connection devices - Part 2: Flow capacities greater than 120 g/s (ISO/DIS 17268-2:2026)
Categories: General
Committee: CEN/TC 268 (Cryogenic vessels)
Origin: CEN
Close date: 08 May 2026
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