In order to control the quality of latex paint, or to improve the original products, or to develop new latex paint products, etc., it is necessary to inspect the raw materials and latex paint. This requires testing equipment, roughly as listed in the table below
Test items | Inspection equipment | Examples of equipment |
pH value | PH meter | Shanghai Leici Instrument Factory PHS-3C |
Fineness | Scraper Gauge | QXD type of Shanghai Modern Environmental Engineering Technology Research Institute |
density | Coating specific gravity cup, density meter | QBB type of Shanghai Modern Environmental Engineering Technology Research Institute |
viscosity | Viscosity cup, Rotational Viscometer, Brookfield viscometer, Stormer viscometer, cone and plate cutting meter | QNB type IS0 cup and QNZ type Stormer viscometer from Tianjin Construction Instrument Testing Machine Company, NDJ-1 Rotational Viscometer from Tongji University |
Solid content | Balance, Oven, or Infrared Dryer | |
Construction | brushes, rollers, Spray Guns | |
contrast ratio | Reflectance Meter | Shanghai Institute of Modern Environmental Engineering Technology C84-II |
drying time | drying time Tester | Tianjin Construction Instrument Testing Machine Company GS type |
Scrub resistance | Scrub Tester | Shanghai Modern Environmental Engineering Technology Research Institute 1 JTX type |
Coating Low Temperature Stability | Freezer with temperature control | |
Freeze-thaw resistance of film | Freezer with temperature control | |
Stain resistance | Contamination resistance Tester, reflectivity measurement like | |
water resistance | water essence | |
Alkali resistance | sink | |
luster | Gloss meter | German BYK-Gardner company 52o type, Tianjin Keqi high-tech company KGZ-1A |
Color and Chromatic Aberration | Spectrophotometer, color difference meter | Minolta CR-300 |
Resistance | An initial drying crack resistance Tester consisting of a fan, air duct and test frame, or a crack resistance Tester with a wedge-shaped groove | German Erichsen Crack Resistance Tester with Wedge Groove |
mechanical properties | Tensile testing machine | |
Impact resistance | Impact Tester | Tianjin Weida Testing Machine Factory QCJ type |
Anti-stickiness | Back tack Tester | Tianjin construction instrument testing machine company QNF type |
Leveling | squeegee, squeegee | Shanghai Modern Environmental Engineering Technology Research Institute LPQ-1 |
Sagginess | Sag Tester | LG-1 type of Shanghai Modern Environmental Engineering Technology Research Institute |
Mildew resistance | Inoculation loops, autoclaves, Incubators, etc. | |
Corrosion resistance | Inoculation loops, autoclaves, Incubators, etc. | |
Artificial aging resistance | QUV artificial aging instrument, xenon lamp artificial aging instrument, carbon arc lamp artificial aging instrument | American Q-Pane1 company QUV/se aging meter, American Atlas company Ci5o0 type xenon lamp aging meter, American Atlas company CX:WA type carbon arc lamp aging meter |
Emulsion minimum film forming temperature | Minimum Film Formation Temperature Meter | Tianjin construction instrument testing machine company QMB type |
Refractive index of the solvent | Abbe Refractometer | |
board | wire rod, applicator |
