Paint quality appraisal

paint is a coating material widely used on various surfaces, mainly composed of pigments, resins, solvents and additives. It protects and decorates objects by forming a thin film on their surface.

paint has a wide range of uses and is mainly used in many fields such as construction, furniture, automobiles, ships, and metal products. In the construction industry, paint is used to decorate and protect indoor and outdoor walls, floors, ceilings, etc., providing aesthetic appearance and durability. In furniture manufacturing, paint not only enhances the appearance of furniture, but also protects the wood from moisture and corrosion. In automobile and shipbuilding, paint is used to coat car bodies and hulls, providing a protective layer against rust and corrosion and giving products their unique color and luster. In addition, paint is used for surface treatment of metal products to enhance their durability and aesthetics.

Zhongke Testing can provide paint quality appraisal services.

paint quality appraisal can be analyzed from the following aspects:

1, appearance
The grade surface of the product is distinguished according to the requirements of the light source standard. All grade surface coating films should have no defects such as base material exposure and peeling. All surfaces should be free of scratches, blisters, wrinkles, pinholes, dust accumulation and other defects.
2, performance
adhesion test, hardness test, solvent resistance test, impact resistance test, packaging protection and handling standards, fading test, abrasion resistance test, high temperature test, etc.

SN/T 4118-2015 Determination of short-chain chlorinated paraffin content in paints and coatings
GB/T9753-2007 Paints and varnishes Cupping test
DL/T 5072-2007 Design regulations for thermal insulation paints in thermal power plants
GB 1922-2006 Solvent oil for paint and cleaning
GB/T 31820-2015 Crude oil tanker cargo oil tank paint
GB/T5210-2006 Paint and varnish Pull-off method adhesion test
GB/T 1721-2008 Appearance and transparency determination of varnish, varnish and thinner
CB/T 3782-1996 Paint product material classification and code
GB/T 1722-1992 Color determination of varnish, varnish and thinner
GB/T 6753.1-2007 Paint, varnish and printing ink Determination of grinding fineness
0GB/T9286-1998 Paint and varnish Cross-hatch test of paint film
1SN/T 3694.7-2014 Determination of perfluoroalkyl compounds in imported and exported industrial products Part 7: Paints and coatings
2GB/T 23985-2009 Paints and varnishes Determination of volatile organic compounds (VOC) content Difference method
3GB/T 6746-2008 Marine oil tank paint
4