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Organic Silicone Materials
Crosslinkers & Silazanes

Crosslinkers & Silazanes

Crosslinkers & Silazanes

Co-Formula provides silane crosslinkers, also known as silane crosslinking agents, for international customers. Co-Formula crosslinkers can be used to crosslink various organic polymers, such as polyethers, polyesters, acrylates, and polyurethanes to improve their mechanical properties and chemical properties. These silane crosslinkers can improve elongation, tear resistance and abrasion resistance excellently.

Main Cross-linking Agents

Main crosslinkers at Co-Formula include VTAS (CFS-089, Vinyltriacetoxysilane, Cas No. 4130-08-9), MTAS (CFS-343, Methyltriacetoxysilane, Cas No. 4253-34-3), VOS (CFS-331, Vinyltris(methylethylketoxime)silane, Cas No. 2224-33-1), MOS (CFS-549, Methyltris(methylethylketoxime)silane, Cas No. 22984-54-9) and TEOS (CFS-104, Tetraethyl orthosilicate, Cas No. 78-10-4). CFS-089 is a colorless or yellowish clear liquid. It is soluble in a variety of organic solvents.

VTAS and MTAS are primarily used as crosslinking agents for one-component room temperature vulcanized silicone rubber (RTV), tackifiers for plastics, ceramics, aluminum and silicone rubber, curing agents for silicone rubber putty, and adhesion promoters for medical silicone rubber products. TEOS, CFS-104 is also named tetraethoxysilane. It is mainly used as a crosslinking agent for silicone rubbers. You may find it acting as a silica source for some zeolites'synthesis.

Silazanes & Markets

There are two commercial silazanes at Co-Formula, CFS-973(Hexamethyldisilazane, Cas No. 999-97-3) and CFS-023(1,3-Divinyl-1,1,3,3-Tetramethoxydisilazane, Cas No. 7691-02-3). CFS-973, normally abbreviated as HMDS, is a colorless transparent liquid. HMDS is commonly used as a blocking agent to protect hydroxyl groups. It is also used as an adhesion promoter for photoresist in photolithography. In electron microscopy, HMDS with CAS NO.999-97-3 can be used as an alternative to critical point drying during the preparation process of samples. CFS-023, known as DVTMDZ, is a special vinyl silazane. It can be used for the manufacturer of silicone resins and silicone rubbers, especially suitable for vinyl silicone resins. DVTMDZ is also acting as a tackifier and adhesion promoter for negative photoresist.

Co-Formula has been dedicated to offer silane crosslinkers and silazanes with high quality and attractive cost. Please contact Co-Formula for any enquiries.


Co-Formula Crosslinkers & Silazanes Main Products

  • Vinyltriacetoxysilane
    CFS-089, Vinyltriacetoxysilane is an acetoxy silane which is more reactive than alkoxysilanes. It is mainly used as a crosslinker for moisture curing RTV silicone rubbers. CFS-089 can be abbreviated a... Vinyltriacetoxysilane
  • Methyltriacetoxysilane
    CFS-343, Methyltriacetoxysilane is a silane crosslinker with a hydrolysable acetoxy group. It is sensitive to rapid hydrolysis and acetic acid and trisilanols will be produced following hydrolysis. It... Methyltriacetoxysilane
  • Vinyltris(methylethylketoxime)silane
    CFS-331, Vinyltris(methylethylketoxime)silane is an important MEKO silane which mainly acts as a crosslinking agent. It is normally abbreviated as VOS and is the equivalent of Honeywell OS2000. Vinyltris(methylethylketoxime)silane
  • Methyltris(methylethylketoxime)silane
    CFS-549, Methyltris(methylethylketoxime)silane is an important MEKO silane which mainly acts as a silane crosslinker. It is also named as Methyltris(MEKO)silane and abbreviated as MOS. Methyltris(methylethylketoxime)silane
  • Tetraethyl orthosilicate
    CFS-104, Tetraethyl orthosilicate is the ethyl ester of orthosilicic acid. It is also named Tetraethoxysilane or Ethyl silicate and known as abbreviated TEOS or TEOS 28. CFS-104 is used in a wide rang... Tetraethyl orthosilicate
  • Tetraethyl orthosilicate 40
    CFS-062, Tetraethyl orthosilicate 40 is the ethyl polysilicate with a minimum SiO2 content of 40%. It is also named Tetraethoxysilane hydrolysate or Ethyl silicate 40 and known as abbreviated TEOS 40 ... Tetraethyl orthosilicate 40
  • Tetramethyl orthosilicate
    CFS-845, Tetramethyl orthosilicate is a chemical compound containing four methoxy groups bonded to a silicon atom. It has similar basic properties to CFS-104(Tetraethyl orthosilicate, TEOS). CFS-845 i... Tetramethyl orthosilicate
  • Tetrabutyl orthosilicate
    For more details about this product, please contact Co-Formula. Tetrabutyl orthosilicate
  • 1,3-Divinyl-1,1,3,3-Tetramethyldisilazane
    CFS-023, 1,3-Divinyl-1,1,3,3-Tetramethyldisilazane is an important vinyl silazane with high activity. It performs better than CFS-973, Hexamethyldisilazane in the process of filler modification. 1,3-Divinyl-1,1,3,3-Tetramethyldisilazane
  • Hexamethyldisilazane
    CFS-973, Hexamethyldisilazane is a trimethyl terminated silyl amine. It is an extremely strong silyl agent. It can be described as Bis(trimethylsilyl)amine and it’s normally abbreviated as HMDS. Co-F... Hexamethyldisilazane

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