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AS1740 is a liquid adhesive for shallow potting and coating applications. It is a specially formulated neutral cure silicone sealant specifically designed to meet the physical, chemical and temperature resistant requirements of MIL-A-46146B. It features exceptional physical properties and is compatible with many sensitive substrates including copper, brass, steel, aluminium and FR4, making this an ideal option for many electronic applications where high performance is paramount. It is described as an Alkoxy 1-part room temperature vulcanizing (RTV) silicone sealant. The Alkoxy cure system produces a silicone sealant with excellent adhesion to most common substrates.


  • Meets the physical and chemical requirements of MIL A-46146B
  • UL 94HB approval at 1.5 mm thickness file No. E334038
  • Contains UV trace for easy detection
  • Adhesion to many substrates


SPECIFICATIONS (typical properties)

Durometer : 27, Shore A
Elongation : 400%
Color : Translucent
Cure Type : Alkoxy
Rheology : Flowable
Tack Free Time : 18 mins