澳门太阳游戏城app(官方)ios/Android/通用版

GB / T 9009-2011

Item	Index
	50% grade		44% grade		37% grade
	Top grade	Qualified product	Top grade	Qualified product	Top grade	Qualified product
Density p 20 (g/cm³)	1.147-1.152		1.125-1.135		1.075-1.114
Formaldehyde ω /%	49.7-50.5	49-50.5	43.5-44.4	42.5-44.4	37.0-37.4	36.5-37.4
Acid (as HCOOH) ω /% ≤	0.05	0.07	0.02	0.05	0.02	0.05
Chroma, Hazzen unit (platinum-cobalt color number) ≤	10	15	10	15	10	-
Iron ω /% ≤	0.0001	0.0010	0.0001	0.0010	0.0001	0.0005
Methanol ω /% ≤	1.5	negotiable	2.0	negotiable	negotiable