Architectural coatings applicable standards in CHINA

So far, my country's architectural coatings have 7 national standards and 3 industry standards, the specific contents are as follows.

(1) Synthetic resin emulsion interior wall paint GB9756-88

(2) Synthetic resin emulsion exterior wall paint GB9755-88

(3) Synthetic resin emulsion sand wall architectural coating GB9153-88

(4) Multi-layer architectural coating GB9779-88

(5) Solvent-based exterior wall paint GB9757-88.

(6) Inorganic architectural coatings for exterior walls GB10222-88

(7) General technical requirements for decorative fire retardant coatings GB12441-90

(8) Water-soluble interior wall paint JC/T423-91

(9) Colorful interior wall paint JG/T3003-93

(10) Paint for cement floor HG/T2004-91

Take GB9756-88 as an example:

State in the container None: hard lump, homogeneous state after stirring

Solid content (120±2℃, 2h), %: not less than 45

Low temperature stability: no condensation, no agglomeration, no distinction

Hiding power (self-colored and light-colored), g/m2: no more than 250 (instrument suggestion: hiding power paper)

Color and appearance: smooth surface, in line with color difference range (instrument suggestion: color difference meter)

Drying time, h: no more than 2   

Scrub resistance, times: not less than 300 (instrument suggestion: scrub resistance instrument)

Alkali resistance (48h): no foaming, no powder shedding, slight loss of gloss and discoloration allowed

Water resistance (96 h): no blistering, no powder shedding, slight loss of gloss and discoloration allowed