GB/T 30789.4-2015

Active

Paints and varnishes—Evaluation of degradation of coatings—Designation of quantity and size of defects ,and of intensity of uniform changes in appearance—Part 4: Assessment of degree of cracking

色漆和清漆涂层老化的评价缺陷的数量和大小以及外观均匀变化程度的标识第4部分：开裂等级的评定

Standard Type

GBT

ICS

87.040

CCS

G50

Status

现行

Issue Date

2015-07-03

Implementation

2016-02-01

Responsible Dept

中国石油和化学工业联合会

Drafting Unit

N/A

🔗 Related Standards / 同类标准

GB/T 1726-1979 Methods of test for hiding power of paints GB/T 1724-1979 Methods of test for fineness of grind of paints GB/T 4653-1984 The general technical specifications on infrared radiation paints GB/T 5209-1985 Paints and varnishes--Determination of resistance to water--Water immersion method GB/T 5206.1-1985 Paints and varnishes--Vocabulary--Part 1:General terms GB/T 6753.6-1986 Large scale brushing test of coatings GB/T 6753.3-1986 Methods of test for package stability of paints GB/T 6753.2-1986 Paints and varnishes--Surface-drying test--Ballotini method