Solid Silicone Dye Masterbatch, Food Compliance Grade with Entire Pantone Color Chart
Product descriptions from the supplier
Liquid silicone color pigment from china manufactuer
This set of color pigments is used to color liquid silicone rubber. People also call it color paste because of its viscosity and fluidity. The silicone products made with it are safe for food and medical use — non-toxic, no strange smell, bright color and no flow marks at all.
Applications of water based pigment:
All kinds of silicone rubber products
Physical property of water based pigment:
Appearance: Any colors
Add ratio ( silicone rubber): 0.5% ~ 3%
Specific gravity(g/cm3) : 1.10±0.02
Application method of liquid color pigment:
1. First of all, according to the physical color of silica gel or the international circulation of pantone card number reference palette, debugging out the proportion of color paste addition and use. General liquid silica gel injection molding machine with colored material pump, the color paste into the molding machine color pump, by adjusting the machine parameters to adjust the color paste feed proportion. For machines without color paste pump, manual mixing can be adopted: the required color paste and one of the liquid silica gel components, Agent B, will be evenly stirred, and then mixed with agent A evenly. After defrothing treatment by vacuum machine, it will be injected into the mold to form.
2. The molding temperature depends on the required silica gel. Generally, the recommended mold temperature is 115~135℃
3. The curing time shall be adjusted according to the thickness or type of the product. The general recommendation is 200 to 300 seconds.
Packaging of water based pigment: 1KG~20KG/barrel
Storage:: Unpacked, stored at 25 ~35 , service life is 12months
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