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3M™ 航天密封胶 AC-370 B
3M™ 航天密封胶 AC-370 B
3M™ AC-370 Class B Aerospace Sealants
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Typical Physical and Application Properties
|
Color Base: Accelerator: |
Off-White Brown |
|
Mix Ratio (By Weight) |
100 Base/12.5 Catalys |
|
Nonvolatile Content |
97.5 % |
|
Base Viscosity (RVF Brookfield #7 spindle) @ 2 rpm, 77°F) |
9,000 to 16,000 Poise |
Application Life and Cure Time
(@ 77°F, 50% Relative Humidity)
|
Minimum Application Life1 |
Typical Tack- Free Time2 |
Typical Cure Time3 |
|
|
B-1/2 |
1/2 hour |
6-7 hours |
6-7 hours |
|
B-2 |
2 hours |
7-8 hours |
8-10 hours |
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