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Different Types Of Silicone Sealant | JCT Machinery

July 31, 2025

Silicone sealants canbe divided into many types according to their curing methods, application performance and uses.


Classification by curing method
TypeCuring principleFeatureApplication
Acidic silicone sealantReacts with moisture in the air to release acetic acidFast curing, strong adhesion, corrosive to metalsArchitectural glass, general decoration
Neutral silicone sealant
Releases alcohols or ketoximesNon-corrosive, good compatibilityStone, metal, plastic
Two-component silicone sealantCures after crosslinking after mixing components A and BFast curing, suitable for industrial applicationsInsulating glass, photovoltaic panels



Classification by performance
TypeFeatureApplication
Weather-resistant silicone sealant
UV-resistant, high and low temperature resistant, and aging-resistantExterior walls, doors, windows, and glass curtain walls
Structural silicone sealantStrong adhesion and shear resistanceCurtain wall structural glass bonding
Heat resistant silicone sealantTemperature resistance up to 200-300℃Chimney, engine and oven seals
Mold-resistant silicone sealant
Inhibits mold growth, suitable for humid environmentsBathrooms, kitchens and toilets
Thermal conductive silicone sealantProduces thermal conductivity for thermal management applicationsLED lighting, power modules and electronic equipment heat dissipation



Different types of silicone sealant have different composition structures, formula complexity, and production processes, so the requires production line equipment configurations are also significantly different.


dual shaft mixer

Double Planetary Mixer
1. Suitable for high-viscosity materials: It can easily process high-viscosity (100,000-3,000,000cps) or thixotropic silicone sealant, such as neutral structural silicone sealant and paste.
2. High shear+intense mixing: Often equipped with folding or twisting impellers, the planetary revolving and rotating mechanism ensures uniform mixing, both up and down, inside and out.
3. No-blind-angle mixing: The agitator within the device covers the entire container, ensuring uniform mixing from all angles.
4. Vacuum design: Degassing is possible under vacuum, improving the density of the sealant and preventing bubbles from affecting the performance of the finished product.
5. Powerful scraping system: Ascraping device can be configured to prevent material residue, making it suitable for silicone sealant formulas requiring high mixing uniformity.
Triple Shaft Mixer
1. Multifunctional synergy: Triple shaft structure includes a low-speed scraping agitator, high-speed dispersing discs, and butterfly blades, meeting mixing needs at different stages simultaneously.
2. Suitable for silicone sealant with medium viscosity and high filler content: The dispersing effect is particularly ideal for formula with high content of silica, fillers, etc., such as acidic silicone sealant.
3. Strong dispersing capacity: High speed dispersing discs effectively break up agglomerates, improving filler distribution and colloidal stability.
4. Heating and cooling system: Supports jacket cooling or heating control, making it suitable for temperature-sensitive silicone adhesive formulations.
5. Flexible operation: The speed can be adjusted at different stages, facilitating precise formula control.

powerful dispersing mixer


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