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3M™ Aerospace Sealant AC-370

Products
  • Helps reduce shrinkage and rework for total cost reduction
  • Excellent tooling properties, easily applied and cures quickly to help improve processes
  • Maintains flexibility and bond strength in a wide variety of temperatures and stress conditions
  • Low density reduces final aircraft weight
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Specifications
Application Life
2 Hour, 30 Minute
Capabilities
Aircraft Maintenance & Production Efficiency, Aircraft Sustainability, Aircraft Weight Reduction, Aviation Safety Enhancement
Container Size
2.5 Ounce
Cure Type
Fast Cure
Product Colour
Brown
Product Form
Kit
Product Key
370B2
Product Volume
2 Ounce
Storage Environment
Room Temperature
Product Details
  • Helps reduce shrinkage and rework for total cost reduction
  • Excellent tooling properties, easily applied and cures quickly to help improve processes
  • Maintains flexibility and bond strength in a wide variety of temperatures and stress conditions
  • Low density reduces final aircraft weight
  • Quick cure allows increased throughput

3M™ Aerospace Sealant AC-370 is a family of Class B, quick-curing polysulfide fuel tank sealants formulated for easy tooling. Their quick cure and low density contribute to faster process times and lower weight. These two-component, manganese dioxide cure sealants have outstanding resistance to aviation fuel and petroleum products common to the aerospace industry.

3M™ Aerospace Sealant AC-370 is a two-component thixotropic paste that is lighter in weight and lower in density than competitive sealants, which saves final aircraft weight. AC-370 is available in a 1/2 hour or 2 hour application life with typical cure times of 7 hours and 10 hours respectively. Its light weight and low density formulation makes it ideal for fuselage and fuel tank sealing applications. We designed this family of sealants to save time through fast cure, and to save weight through its low density formula. Our manganese dioxide cure sealant is also highly resistant to aviation fuel and chemicals common to the aircraft industry.

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