Plastics — Polyols for use in the production of polyurethane — Determination of water content
ISO 14897 specifies methods used to measure the water content of polyols employed as polyurethane raw materials. Method A is a manual amperometric method which has been included to better define the principles of the Karl Fischer measurement. Amperometric methods are applicable to a wide range of polyols, including those which have enough colour to obscure a visual end-point. Method B includes an…
Luminaires - Part 2-20: Particular requirements - Lighting chains
Specifies requirements for lighting chains fitted with series or parallel connected incandescent lamps for use indoors or outdoors on supply voltages not exceeding 250 V. The contents of the interpretation sheets of March 2001, July 2003 and July 2003 have been included in this copy. This consolidated version consists of the second edition (1996), its amendment 1 (1998) and its amendment 2 (2002…
Combined flexible materials for electrical insulation - Part 3: Specifications for individual materi...
This standard specifies dimensional and performance requirements
for individual combined flexible materials. lt is in the form of
groups of sheets. This standard contains sheets: 100, 101, 102, 110,
111, 112, 113, 114, 115, 302, 303, 312, 313, 315, 320, 330, 502,
503, 505.
The contents of the corrigendum of March 1999 have been included in this copy.
This consolidated version consists of the…
Semiconductor devices - Integrated circuits - Part 23-4: Hybrid integrated circuits and film structu...
Serves as a Blank Detail Specification for a high quality approval system and contains requirements for style and layout and minimum content of detail specifications. These requirements are applicable when the detail specification is published.
