
Methods of testing plastics. Optical and colour properties, weathering. Determination of resistance to change upon exposure under glass to daylight
出版:British Standards Institution

專家解讀視頻
? British Standards Institution 2013
Replaces notes:
Replaces method 507A of BS 2782:1970.
Replaced by notes:
Replaced by BS 2782:Part 5:Method 550B:1996.
ISO 877:1994 - Identical