Silicone resins are composed of highly branched 3-dimensional polymers. They form coatings with outstanding heat resistance, weather resistance, electrical insulative properties, and water repellency. They generally dissolve in organic solvents, and are used in diverse applications to improve durability, safety, and reliability.
Siloxane bonds (Si-O-Si) form the backbone of the molecular structures of silicone resins. Siloxane bonds have high bonding energy and the temperature of thermal decomposition is high, so these resins have excellent heat resistance. There is typically no decomposition, degradation, or discoloration even in high-temperature conditions of 250°C or more.
Electrical insulative properties
Silicone resins exhibit excellent electrical properties over a wide temperature range. In particular, even at high temperatures there is little decline in electrical insulative properties, and good resistance to arcing.
They exhibit outstanding weather resistance, with little degradation caused by UV rays or other elements. Coatings exhibit little yellowing, chalking, or loss of gloss, and they maintain stable coating properties over long periods.
Due to the orientation of the methyl groups in the molecules, the surface of the cured material has excellent water repellency.
Silicone resins are highly branched 3-dimensional polymers, and the backbone structure of the cured material is similar to that of glass, so these materials can be used to modify surfaces to make them inorganic substances.
|Category||Type / Applications||Grade||Features|
|Straight silicone resin||KR-282||Good balance between drying properties and film characteristics.|
|KR-311||Forms relatively hard films. Good drying properties.|
|Silicone resin for modification||KR-211||Best miscibility with other organic resin.|
|KR-216||Forms the hardest films.|
|Ideal for cooking with polyesters, alkyds, epoxies, etc.|
|Silicone alkyd resin||KR-5206||For room-temperature drying.|
|Silicone epoxy resin||ES-1001N||Typical silicone epoxy resin.|
|ES-1002T||Curing agent for eoxy can also be used.|
|ES-1023||Flexible with good adhesion and shelf-life.|
|Silicone polyester resin||KR-5230
|Flexibility. High gloss.|
|Silicone coating agent||KR-400||High hardness. Non-solvent coating agent.|
|KR-401||Medium hardness. Non-solvent coating agent.|
|For surface damp-proofing||KR-251||Forms the thinnest, hard, transparent films of all varnishes used for moisture-proofing of surfaces.|
|KR-255||Typical varnish for moisture-proofing.|
|KR-114A||Soft, waxy film whch absorbs strain. Film can be removed with a solvent.|
|KR-112||Forms soft, solvent-resistant films.|
|For laminates||KR-2610B||Heat resistant, and molded items will have good mechanical strength.|
|For mica||KR-242A||Flame-resistant and low smoking.|
|For coil immersion||KR-285||Low foaming during curing, and suitable for impregnation of large equpment.|
|For sleeve and cloth processing||KR-2706||The most flexible of all varnishes for sleeves. Good heat resistance.|
|KR-165||Typical varnish for sleeves. Self-extinguishing. Good transparency.|
|KR-166||Self-extinguishing. Excellent film strength.|
|KR-169||Self-extinguishing. Good flexibility and heat resistance.|
|KR-2038||Non-solvent type. Self-extinguishing. Good heat resistance.|
|For resistor coating||KR-221||Crack resistant.|
|KR-240||Fast curing. Particularly good resistance to solvents.|
|KR-220L||Solid type. Flame-resistant and low smoking.|