First of all, silicone molds for food are generally in line with food-grade standards, can be directly contained in the mouth, is generally not toxic, rest assured to use.


Silicone is a kind of highly active adsorption material, silicone rubber color is white opaque, is an amorphous substance, insoluble in water and any solvent, non-toxic and tasteless, chemical stability, in addition to strong alkali, hydrofluoric acid does not react with any substance. High adsorption performance, good thermal stability, chemical stability. Because of its good stability and special high and low temperature resistance, silicone can be heated at high temperature in the microwave oven without deformation or release of toxic substances, and can also be placed in the refrigerator. Silicone because of its texture is closer to human skin, and non-toxic and odorless, so children use silicone to make a pacifier is also very healthy, and good silicone has automatic disinfection function, do not stain, easy to clean, now many fashionable families are using silicone kitchen utensils, because it can cook with a microwave oven, more worry saving time, more importantly, will not produce soot.


Raw material of silicone mold


1, silicone kitchenware raw materials can be divided into ordinary silicone and meteorological silicone according to performance.
(1) Ordinary silica gel is also known as precipitation silica gel.

Color: translucent, milky white, light yellow, gray, etc.
Hardness :30°, 40°, 50°, 60°, 70°, etc., commonly used between 40°-70°.
Density :1.1-1.12g/cm3
Elongation :400%
Usage: The most used are mobile phone buttons, miscellaneous parts, conductive rubber and other low-grade silicone products.


(2) Meteorological rubber is also known as pure silica gel


Color: Transparent.
Hardness :30°, 40°, 50°, 60°, 70°, 80°, etc., commonly used between 40°-60°.
Density :1.1-1.12g/c㎡
Elongation :600%-700%
Features: Due to the good transparency of this material, strong tensile strength; High cost
Application: silicone tube, protective sleeve and other high-grade products requiring high elasticity.


2, silica gel raw materials can be divided into solid silica gel and liquid silica gel according to physical properties.