Test items	Unit	Standard indicators	Date
			1	2	3	4	5	6
			7	8	9	10	11	12
Appearance		Homogeneous	×	√	√	√	×	√
Appearance		Homogeneous	×	×	×	√	×	×
pH		6.5 - 7.5	-	7.0	7.0	7.0	-	7.0
pH		6.5 - 7.5	-	-	-	7.0	-	-
Solidifying point	˚C	≤−10	-	−12	−13	−12	-	−13
Solidifying point	˚C	≤−10	-	-	-	−12	-	-
Open flash point	˚C	≥50	-	52	51	52	-	53
Open flash point	˚C	≥50	-	-	-	51	-	-
Water soluble		good	-	√	√	√	-	√
Water soluble		good	-	-	-	√	-	-
Effective content	%	≥20	20	20	20	20	20	20
Effective content	%	≥20	20	20	20	20	20	20
Emulsification tendency		none	-	none	none	none	-	none
Emulsification tendency		none	-	-	-	none	-	-
Corrosion Inhibition (Corrosion Inhibition Rate)	%	≥70	-	76	83	95	-	85
Corrosion Inhibition (Corrosion Inhibition Rate)	%	≥70	-	-	-	55	-	-
Inhibition performance (point corrosion)		No obvious point corrosion	-	none	none	none	-	none
Inhibition performance (point corrosion)		No obvious point corrosion	-	-	-	√	-	-
Organic chlorine content	%	0.0	0	0	0	0	0	0
Organic chlorine content	%	0.0	0	0	0	0	0	0