The reason why the required paint color paste cannot be called: 1) The content of titanium dioxide is inappropriate (colors with poor hiding power cannot be displayed). 2) Improper choice of paint color paste (some colors cannot be replaced by other color pastes). 3) Color migration.

Most of the flame retardants used in sponges are additive flame retardants, while reactive flame retardants are mainly used in thermosetting resins such as epoxy resin and polyurethane. The original function of flame retardants is to interfere with the three basic elements of oxygen, heat and combus......

Polyurethane materials have good colorability. By adding polyurethane dyes or polyurethane pigment pastes, polyurethane products of various colors can be produced, such as colored polyurethane soft foam, elastomer, synthetic leather, etc. These auxiliaries that can color products can be called colo......

According to the coloring objects and environmental requirements, colorants are mainly divided into two types: lightfast and non-lightfast. Generally, when the system is not compatible for internal use, it is based on the principle of low cost to achieve color requirements, and does not require ligh......