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Room temperature vulcanized silicone sealant is made of base polymer with cross linking agent, catalyst, filler and other additives after mixing in a moisture-tight mixer, and then packaged in cartridge or foil sausage. It will cross-linked sulphur and form an elastomer after being exposure to moisture in the air when it is extruded from the packing. It has excellent performance between -100℃ and 315℃, it’s much better then other any other elastomer in this aspect. Weather resistance and aging resistance are its key features. What’s more, it also has any other excellent performance, such as Electrical insulation, hydrophobicity, anti-sticking and biochemical compatibility and so on. It’s ta popular elastomer in various fields.
According to the product packaging, room temperature vulcanized silicone sealant can be divided into one component and two components. According to type of cross linking system, it can be divided into diabetic type, ketone oxime type, dealcoholization, deacetone and de-amide type. The advantage and disadvantage of they are as follow:
| Classification | Advantage | Disadvantage |
| Diabetic type | Good at Strength, transparency, adhesion. Speed of vulcanization is fast. | Smells of acetic acid. Corrosive to metals |
| Ketone oxime type | Not too much smell Good adhesion to various materials. | Slightly corrosive to copper |
| Dealcoholization type | No smell. No corrosive. | Speed of vulcanization is slow. Poor preservation. Adhesive is slightly worse |
| Deacetone type | Odorless, non-toxic. Speed of vulcanization is fast. Good at preservation, operability, sealing, heat resistance. | High cost |
| De-amide type | Odorless, non-toxic, low modulus | Adhesive is slightly worse |
| Genotype | Application range | Feature | |
| Diabetic type | General purpose | Glass joints, grid gap, glass suspension, glass sink | High modulus, transparent, fast curing,frowziness,corrosive to copper and iron |
| High grade transparent | Built-in glass (showcase, window).Required transparent seams | ||
| mould proof | Seal of bathroom ,ceiling, toilets, sanitary ware. | ||
| structure sealing | SSG construction method | ||
| Ketone oxime type | General purpose | Glass joints, grid gap, metal joints. Assembly of residential, tile, ceramic tile, stone bonding | High modulus, curing speed is medium, corrosive to copper |
| mould proof | Seal of bathroom ,ceiling, toilets, sanitary ware. | ||
| inflaming retarding | Seal of the gap in the fire zone | ||
| Dealcoholization type | General purpose | Joint seam of Polycarbonate, plexiglass and other transparent plastic, glass, copper and any other metal that is easy to corrode | no causticity |
| structure sealing | SSG construction method, glass curtain construction method | ||
| Deacetone type | General purpose | Glass joints, slit sash, siding, railings and other sealing gap. Filling seal of highway, bridge, airport concrete pavement expansion joints. | Low modulus, opaque, slow curing, slightly odorous, non-corrosive |
| De-amide type | General purpose | Glass joints, slit sash, siding, railings and any other sealing gap.Large sink. | Low modulus, opaque, slow curing, slightly odorous, non-corrosive |
* SGS construction method is the abbreviation of structural sealant glazing system
ABOUT US
KINGDELI has started as a silicone sealant manufacturer in Guangdong, China in since1998.
Silicone sealant was established in 2001. Now our product range expand to no more nails and polyurethane sealant.
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