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What is color paste? What are the uses of color paste?
29 Mar 2023
Human beings have a long history of applying pigments. Initially, natural or simple pigments were used.
Such as: colored soil, soot, etc., applied to the surface of the object to increase the appearance of the object or easy to identify. What is that color paste? What are the uses of color paste?
Color paste: It is a kind of pigment dispersion paste. The pigment in the color paste exists in the dispersion medium in the form of particles. When added to the paint, it not only imparts color to the paint, but also provides a certain covering power. The chemical components of the color paste include: organic pigments, organic solvents, softeners, additives, etc.
Application field
LSR Color paste is to color the addition type LSR Silicone for making food and medical grade silicone products which is of good dispersing capactities ,heat tolerance .etc
Typical Physical Properties
Appearance: All kinds of colors in paste form
Specific Gravity (25°C): 1.05-1.5
Viscosity (25°C): 18000-150000 mpa.s
Mixing Ratio: 1.5—3%
Processing
1, Mix the LSR silicone colorant even before adding into the LSR
2, Adding the Colorant into the LSR based on its addition ratio , mix into B part of LSR is ok or The mixing is fully done by the LSR injection molding machine.
