Ophthalmic optics - Uncut finished spectacle lenses Part 3: Transmittance specifications and test methods
Edition 2024-03-27

Glass in building - Determination of light transmittance, solar direct transmittance, total solar energy transmittance, ultraviolet transmittance and related glazing factors
Edition 2022-05-12

Thermal performance of windows, doors and shutters - Calculation of thermal transmittance Part 1: General
Edition 2022-11-23

Thermal performance of windows, doors and shutters - Calculation of thermal transmittance Part 2: Numerical method for frames
Edition 2023-09-22

Thermal performance in buildings Part 2: Building components and building elements - Thermal resistance and thermal transmittance - Calculation methods (ISO 6946:2017 MOD)
Edition 2022-02-09

Thermal performance of windows, doors and shutters - Calculation of thermal transmittance - Part 2: numerical method for frames - Amendment 1

BS EN ISO 10077-2 AMD 1. Thermal performance of windows, doors and shutters. Calculation of thermal transmittance. Part 2. Numerical method for frames
Edition 2023-02-21

BS EN IEC 63567-1 Semiconductor devices. Performance evaluation of semiconductor processing components and inspection equipment. Part 1. Transmittance evaluation method of EUV pellicle
Edition 2024-07-12

Rubber compounding ingredients. Carbon black. Determination of light transmittance of toluene extract
Edition 2018-06-11

Optics and photonics. Camera lenses. Measurement of ISO spectral transmittance
Edition 2017-11-13