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3M AC-730 Class B-12 Aerospace Sealant

Category Polymer , Thermoset
Manufacturer 3M
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF 3M AC-730 Class B-12 Aerospace Sealant.pdf
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Material Notes:
3M Aerospace Sealant AC-730 Class B are fast cure, two-part, manganese-cured, non-chromate containing corrosion inhabiting sealants. These Sealants provide an effective barrier against the common causes of corrosion on aluminum and between dissimilar metals. 3M AC-730 Class B Sealants have outstanding resistance to aviation gasoline and jet fuel, as well as resistance to chemicals, hydraulic fluids and petroleum products common to the aircraft industry. The mixed compound is a thixotropic paste, easily applied by spatula, extrusion gun or injection gun. They maintain flexibility and bond strength on most metal substrates under extremes of temperature, weathering stress.Information provided by 3M
Physical Properties Metric English Comments
Density 1.52 g/cc
0.0549 lb/in³
cured 14 days @ 50% RH
Volatiles 2.0 %
2.0 %
Brookfield Viscosity 950000 - 1.60e+6 cP
950000 - 1.60e+6 cP
Base, RVF #7 sp @ 2 rpm
Mechanical Properties Metric English Comments
Hardness, Shore A 50
50
cured 14 days @ 50% RH
Tensile Strength at Break 2.05 MPa
297 psi
Heat Cycle - 6 cycles of 4 hrs @ 121°C, 40 mins @ 160°C, and 1 hr @ 182°C
2.07 MPa
300 psi
JRF 12 days @ 60°C, 60 hrs @ 71°C, 6 hrs @ 82°C
2.07 MPa
300 psi
JRF 12 days @ 60°C, 60 hrs @ 71°C, 6 hrs @ 82°C + Heat Cycle
1.86 MPa

@Temperature 60.0 °C,
Time 1.04e+6 sec
270 psi

@Temperature 140 °F,
Time 288 hour
JRF
2.83 MPa

@Time 1.21e+6 sec
410 psi

@Time 336 hour
Standard cure
Elongation at Break 60 %
60 %
JRF 12 days @ 60°C, 60 hrs @ 71°C, 6 hrs @ 82°C + Heat Cycle
67.0 %
67.0 %
Heat Cycle - 6 cycles of 4 hrs @ 121°C, 40 mins @ 160°C, and 1 hr @ 182°C
525 %
525 %
JRF 12 days @ 60°C, 60 hrs @ 71°C, 6 hrs @ 82°C
390 %

@Temperature 60.0 °C,
Time 1.04e+6 sec
390 %

@Temperature 140 °F,
Time 288 hour
JRF
460 %

@Time 1.21e+6 sec
460 %

@Time 336 hour
Standard cure
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 121 °C
250 °F
cured 14 days @ 50% RH
182 °C
360 °F
Short term, cured 14 days @ 50% RH
Minimum Service Temperature, Air -54.0 °C
-65.2 °F
cured 14 days @ 50% RH
Processing Properties Metric English Comments
Cure Time 6480 min
108 hour
Tack-Free Time
7200 min
120 hour
Shelf Life 9.00 Month

@Temperature <=26.7 °C
9.00 Month

@Temperature <=80.1 °F
Descriptive Properties Value Comments
Appearance Black
Black
Accelerator
Off White
Base
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