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3M Aerospace AC-770 Class B Fuel Tank & Fuselage Sealant

3M Aerospace AC-770 Class B Fuel Tank & Fuselage Sealant

Experience a reduced need for reworking and reduced shrinkage when you use 3M Aerospace AC-770 Class B fuel tank and fuselage sealant from SkyGeek. This fuel tank sealant is resistant to most common aerospace chemicals, including jet fuel and aviation gasoline. Because of this, AC-770 is able to provide a strong seal to prevent leaks and provide overall protection to your aircraft's fuel tank and fuselage. The thick, thixotropic paste is easy to apply and forms a strong bond with many types of substrates, including titanium, stainless steel and aluminum.

Features
  • Quick-cure, low-density, two-component polysulfide fuel tank and fuselage sealant
  • Features superior resistance to aviation gasoline and jet fuel
  • Resists petroleum products and other common aerospace chemicals
  • Forms strong bond with most metal substrates, including titanium, stainless steel, steel, aluminum
  • Keeps bond strength and flexibility in extreme temperatures, stress and weathering conditions
  • Apply mixed thixotropic paste with injection gun, extrusion gun or spatula
  • Outstanding tooling capabilities
  • Shrinkage and need for reworking is reduced
  • Dark brown color
  • 98.5 percent non-volatile content
  • Application life: 1 hour
  • Typical tack-free time: 3 to 4 hours
  • Typical cure time: 5 to 6 hours
  • Mixing ratio: 100 base:10 accelerator (by weight)
  • Service temperature range: -65 degrees to 250 degrees Fahrenheit
Specifications
Typical Physical & Application Properties
Color
Base
Accelerator

Off-White
Brown
Mixing Ratio (by weight) 100 base / 10 accelerator
Nonvolatile Content 98.5%
Base Viscosity (Brookfield #7 Spindle @ 2 RPM) 9,500 - 13,000 poise
Application Life 1 hour
Typical Tack-Free Time 3-4 hours
Typical Cure Time 5-6 hours



Typical Properties of Cured Compound (AMS-S-83318)
Color Dark Brown
Specific Gravity 1.10
Hardness 42-48 Shore A
Service Temperatures -65° to +250°F (-55° to +121°C)
Low Temp. Flexibility No cracking, checking or loss of adhesion when tested at -65°F (-54°C)
Corrosion None
Repairability 34 piw / 100% cohesive failure
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Part Number
051141-58246
Size
3.5 oz Kit
Spec
BMS 5-142G Type II, Class B-1
Price
$25.76
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Qty
Certification
Material Safety Data Sheet:
MSDS1
Country of Origin: United States
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Part Number
051141-58255
Size
25 Gram Kit
Spec
BMS 5-142G Type II, Class B-2
Price
$14.58
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Qty
Certification
Material Safety Data Sheet:
MSDS1
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Part Number
051141-58256
Size
3.5 oz Kit
Spec
BMS 5-142G Type II, Class B-2
Price
$25.76
Hover for Qty Pricing
Qty
Certification
Material Safety Data Sheet:
MSDS1
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Part Number
051141-58262
Size
Pint Kit
Spec
BMS 5-142G Type II, Class B-2
Price
$42.91
Hover for Qty Pricing
Qty
Certification
Material Safety Data Sheet:
MSDS1
Country of Origin: United States
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Part Number
051141-58263
Size
Quart Kit
Spec
BMS 5-142G Type II, Class B-2
Price
$141.00
Hover for Qty Pricing
Qty
Certification
Material Safety Data Sheet:
MSDS1
Country of Origin: United States
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