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prEN 4860
Aerospace series - Environmental testing - Test Xb: Abrasion of markings, letterings, surfaces and materials caused by rubbing fingertips and hands
prEN 4913
Aerospace series - Use of regrinds and recycled materials in thermoplastic parts
prEN 15534-5
Composites made from cellulose-based materials and thermoplastics (usually called wood-polymer composites (WPC) or natural fibre composites (NFC)) - Part 5: Specifications for cladding profiles and tiles
prEN 15979
Testing of ceramic raw materials and ceramic materials - Direct determination of mass fractions of impurities in powders and granules of silicon carbide by optical emission spectrometry by direct current arc excitation (DCArc-OES)
prEN 61249-4-1
Materials for printed boards and other interconnecting structures -- Part 4-1: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - Epoxide woven E-glass prepreg of defined flammability
prEN 61249-4-14
Materials for printed boards and other interconnecting structures - Part 4-14: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - Epoxide woven E-glass prepreg of defined flammability (vertical burning test) for lead-free assembly (IEC 61249-4-14:2009)
prEN 61249-4-15
Materials for printed boards and other interconnecting structures - Part 4-15: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - Multifunctional epoxide woven E-glass prepreg of defined flammability (vertical burning test) for lead-free assembly (IEC 61249-4-15:2009)
prEN 61249-4-16
Materials for printed boards and other interconnecting structures - Part 4-16: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - Multifunctional non-halogenated epoxide woven E-glass prepreg of defined flammability (vertical burning test) for lead-free assembly (IEC 61249-4-16:2009)
prEN 61249-4-17
Materials for printed boards and other interconnecting structures - Part 4-17: Sectional specification set for prepreg materials, unclad (for the manufacture of multilayer boards) - Non-halogenated epoxide woven E-glass prepreg of defined flammability (vertical burning test) for lead-free assembly (IEC 61249-4-17:2009)
prEN ISO 3386-1
Polymeric materials, cellular flexible - Determination of stress-strain characteristics in compression - Part 1: Low-density materials (ISO/DIS 3386-1:2024)