Product Code

AC-AT102

Methyltriacetoxysilane

CAS Number
4253-34-3

Description

Acetoxy functional silane crosslinker for one-component condensation-cure silicone sealants. Fast skin-over and through-cure; releases acetic acid, so it is not recommended on concrete, marble or bare metals sensitive to acid. The standard trifunctional acetoxy crosslinker for RTV-1 sealants.

Synonyms

MTAMethyl triacetoxy silaneMethyl Triacetoxysilaneacetoxysilanemoisture cure crosslinkercrosslinking agent[Diacetyloxy(methyl)silyl] acetateSilanetriol, methyl-, triacetateMethylsilanetriyl triacetateCH3Si(OCOCH3)3C7H12O6Si

Key applications

  • RTV-1 sanitary and glazing sealants
  • Glass and ceramic bonding
  • General-purpose construction sealants
  • Industrial assembly adhesives

Characteristics

FunctionalityAcetoxy
Cure by-productAcetic acid
Typical useRTV-1 sealants, adhesives
Molecular formulaC7H12O6Si
Molecular weight220.25 g/mol

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