3M™ Aerospace Sealant AC-770

Products
  • Low density formula weighs 3–4 lbs. less per gallon than traditional sealants
  • Helps reduce shrinkage and rework for total cost reduction
  • Helps reduce shrinkage and rework for total cost reduction
  • Seals joints and gaps in fuselage applications
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Specifications
Application Life
1 Hour, 2 Hour
Cure Type
Fast Cure
Product Colour
Brown
Product Form
Kit
Product Key
770B1, 770B2
Volume (metric)
103.507 mL
Product Details
  • Low density formula weighs 3–4 lbs. less per gallon than traditional sealants
  • Helps reduce shrinkage and rework for total cost reduction
  • Helps reduce shrinkage and rework for total cost reduction
  • Seals joints and gaps in fuselage applications
  • Maintains flexibility and bond strength under extremes of temperature, weathering and stress
  • Easier application – requires less mixing time and less tooling to apply

3M™ Aerospace Sealant AC-770 is a family of Class B, manganese dioxide cured polysulfide sealants formulated for easy tooling. Their fast cure time and low density contribute to faster process times and lighter aircraft. These two-component sealants have outstanding resistance to jet fuel, chemicals and petroleum products common throughout the aerospace industry.

Lightweight, Effective Sealing