- 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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Volume (metric)
Volume_Metric
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Volume (metric)
Specifications
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Application Life
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1 Hour, 2 Hour
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Cure Type
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Fast Cure
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Product Colour
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Brown
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Product Form
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Kit
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Product Key
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770B1, 770B2
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Volume (metric)
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103.507 mL
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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
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