There are significant differences between liquid injection silicone and screen printing silicone in terms of material state, molding process, product characteristics and application areas. The following is a detailed comparison:
Material state and molding process
Liquid injection silicone:
Liquid injection silicone uses pre-mixed liquid silicone rubber (LSR), which is a two-component material that is usually mixed and maintained at a specific temperature before injection.
The molding process is to mix component A and component B in a 1:1 ratio, and inject them into the injection tube for injection molding after fully mixing through a static mixer. During the molding process, the liquid silicone is injected into the hot runner mold and undergoes a curing reaction at a mold temperature of 170 to 200°C.
Screen printing silicone:
Screen printing silicone is usually in the form of ink. It is a special silicone that can be firmly adhered to the surface of textiles, non-woven fabrics, leather, imitation leather and other materials through screen printing.
The molding process is to print the screen printing silicone ink on the surface of the substrate through screen printing, and then form a coating after curing (such as thermal curing).
Product Features
Liquid injection silicone:
It has good elasticity and waterproof and moisture-proof properties, and can resist corrosion from a variety of chemicals such as acids and alkalis.
The product exhibits good thermal stability, cold resistance, and excellent electrical insulation properties, and does not produce toxic substances when burned.
It can produce very fine details and complex geometric shapes, and the product details and complexity are usually high.
There is less waste generated during the liquid molding process, and the material utilization rate is high.
Silk-screen silicone:
It has moderate viscosity, rapid vulcanization at high temperature, high transparency, good adhesion, heat resistance, water resistance, and good breathability.
The pattern after silk-screen printing has a strong three-dimensional sense, soft feel, and complements textiles or leather goods; the silk-screen pattern also has excellent peel strength, wear resistance, and brightness.
The product is waterproof, non-slip, breathable, resistant to high and low temperatures, and has good leveling properties.
It is a non-toxic, harmless, and environmentally friendly material.
Application fields
Liquid injection silicone:
Suitable for manufacturing precise, small and complex silicone products, such as seals, medical equipment parts, electronic product buttons, baby products, etc.
It has become an indispensable material in the fields of health products, automobiles, baby products, medical products, diving products, kitchen utensils, etc.
Silk screen silicone:
Used for textile printing, such as anti-slip and waterproofing of clothing labels, clothing patterns, sports gloves, etc.; anti-slip decoration of shoes, anti-slip of socks; labels and bag decorations of handbags, travel bags, luggage, etc.
Used for surface coating of genuine leather and imitation leather.
Used for high-end electronic potting glue, etc.
Used for pattern decoration of printed products, etc.