GB/T 30789.6-2015
Paints and varnishes.Evaluation of degradation of coatings.Designation of quantity and size of defects,and of intensity of uniform changes in appearance.Part 6:Assessment of degree of chalking by tape method (English Version)
- Standard No.
- GB/T 30789.6-2015
- Language
- Chinese, Available in English version
- Release Date
- 2015
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 30789.6-2015
- Scope
- This part of GB/T 30789 provides a picture reference standard for evaluating the degree of chalking of paint coatings. This standard also specifies the method for assessing the degree of pulverization. When using this method, it is important to carefully distinguish between true aging degradation products and contaminants, especially when slightly chalked.
GB/T 30789.6-2015 history
- 2015 GB/T 30789.6-2015 Paints and varnishes.Evaluation of degradation of coatings.Designation of quantity and size of defects,and of intensity of uniform changes in appearance.Part 6:Assessment of degree of chalking by tape method
GB/T 30789.6-2015 -All Parts
GB/T 30789.1-2015 Paints and varnishes.Evaluation of degradation of coatings.Designation of quantity and size of defects ,and of intensity of uniform changes in appearance.Part 1:General introduction and designation system
GB/T 30789.2-2014 Paints and varnishes.Evaluation of degradation of coatings.Designation of quantity and size of defects,and of intensity of uniform changes in appearance.Part 2:Assessment of degree of blistering
GB/T 30789.3-2014 Paints and varnishes.Evaluation of degradation of coatings.Designation of quantity and size of defects,and of intensity of uniform changes in appearance.Part 3:Assessment of degree of rusting
GB/T 30789.4-2015 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
GB/T 30789.5-2015 Paints and varnishes.Evaluation of degradation of coatings.Designation of quantity and size of defects, and of intensity of uniform changes in appearance.Part 5:Assessment of degree of flaking
GB/T 30789.6-2015 Paints and varnishes.Evaluation of degradation of coatings.Designation of quantity and size of defects,and of intensity of uniform changes in appearance.Part 6:Assessment of degree of chalking by tape method
GB/T 30789.7-2015 Paints and varnishes.Evaluation of degradation of coatings.Designation of quantity and size of defects, and of intensity of uniform changes in appearance.Part 7:Assessment of degree of chalking by velvet method
GB/T 30789.8-2015 Paints and varnishes.Evaluation of degradation of coatings.Designation of quantity and size of defects,and of intensity of uniform changes in appearance.Part 8:Assessment of degree of delamination and corrosion around a scribe or other artificial defect
GB/T 30789.9-2014 Paints and varnishes.Evaluation of degradation of coatings.Designation of quantity and size of defects, and of intensity of uniform changes in appearance.Part 9:Assessment of degree of filiform corrosion