STM PDF

Petroleum products - Calculation of specific energy of residual fuels from physical and compositional properties - Basic data. Original standard ISO TR 18455-1999 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Ophthalmic optics and instruments - Free form technology - Spectacle lenses and measurement. Original standard ISO TR 18476-2017 in PDF full version. Additional info + preview on request

Document status: Active

Plastics - Parameters comparing the spectral irradiance of a laboratory light source for weathering applications to a reference solar spectral irradiance. Original standard ISO TR 18486-2018 in PDF full version. Additional info + preview on request

Document status: Active

Welding and allied processes - Guidelines for measurement of welding energies. Original standard ISO TR 18491-2015 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 18491-2026

Long-term preservation of electronic document-based information. Original standard ISO TR 18492-2005 in PDF full version. Additional info + preview on request

Document status: Active

Ergonomics - Ergonomics of human-system interaction - Human-centred lifecycle process descriptions. Original standard ISO TR 18529-2000 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 9241-220-2019