STB PDF

Corrosion of metals and alloys. Corrosivity of atmospheres. Mapping areas of increased risk of corrosion. Original standard BS ISO 19735-2023 in PDF full version. Additional info + preview on request

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Optics and photonics. Optical materials and components. Test method for homogeneity of infrared optical materials. Original standard BS ISO 19740-2018 in PDF full version. Additional info + preview on request

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Optics and photonics. Optical materials and components. Test method for striae in infrared optical materials. Original standard BS ISO 19741-2018 in PDF full version. Additional info + preview on request

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Optics and photonics. Optical materials and components. Test method for striae in infrared optical materials. Original standard BS ISO 19741-2025 in PDF full version. Additional info + preview on request

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Optics and photonics. Optical materials and components. Test method for bubbles and inclusions in infrared optical materials. Original standard BS ISO 19742-2018 in PDF full version. Additional info + preview on request

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Test conditions for numerically controlled broaching machines. Testing of accuracy. Vertical surface type broaching machines. Original standard BS ISO 19744-2020 in PDF full version. Additional info + preview on request

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