STB PDF

Methods for the petrographic analysis of coals - Method of determining microscopically the reflectance of vitrinite. Original standard BS ISO 7404-5-2009 in PDF full version. Additional info + preview on request

Document status: Replaced by STB BS ISO 7404-5-2025

Fertilizers. Marking. Presentation and declarations. Original standard BS ISO 7409-2018 in PDF full version. Additional info + preview on request

Document status: Active

Hydraulic fluid power cylinders. Dimensions and tolerances of housings for elastomer-energized, plastic-faced seals - Piston seal housings. Original standard BS ISO 7425-1-2021 in PDF full version. Additional info + preview on request

Document status: Active

Hydraulic fluid power cylinders. Dimensions and tolerances of housings for elastomer-energized, plastic-faced seals - Rod seal housings. Original standard BS ISO 7425-2-2021 in PDF full version. Additional info + preview on request

Document status: Active

Fine bubble technology. Domestic applications - Assessment of showerhead devices by evaluating size and concentration indices of generated fine bubbles. Original standard BS ISO 7428-1-2024 in PDF full version. Additional info + preview on request

Document status: Active

Fine bubble technology. Industrial and consumer device applications - Assessment of water pressure driven nozzles by evaluating size and concentration indices of generated fine bubbles. Original standard BS ISO 7429-1-2024 in PDF full version. Additional info + preview on request

Document status: Active