About Sealant Flexibility
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Vacuum Heat Sealers
Create an airtight seal around small parts to prevent damage from moisture and oxidation. Attach these sealers to a compressed air line and press the foot switch to suction air out of the bag and heat seal the opening in a matter of seconds. For versatility, you can also use these just for heat sealing without the need for an air supply.
Bags for Vacuum Heat Sealers
Use these bags with Vacuum Heat Sealers that create an airtight seal around items.
Note: One mil equals 0.001".
Vacuum Leak Sealants
Seal leaks on vacuum systems and components.
Epoxy resin sealants, also known as Torr Seals, form a rigid bond.
Bentonite/petrolatum sealants, also known as Apiezon sealants, form a flexible, non-hardening seal that’s easy to remove and reposition.
Container | |||||||||||||
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Size | Type | Begins to Harden | Reaches Full Strength | Vacuum Rating, torr | Maximum Vacuum @ Temperature | Tensile Strength, psi | Hardness | Mix Ratio | Temp. Range, °F | For Joining | Color | Each | |
Epoxy Resin | |||||||||||||
2 fl. oz. | Cartridge | 60 min. | 3 days | High | 10 -9 torr @ 72° F | 5,000 | Extra Hard (Durometer 75D) | 2:1 | -45° to 245° | Metal, Glass, Masonry | Off-White | 0000000 | 0000000 |
4.2 fl. oz. | Tube | 60 min. | 3 days | High | 10 -9 torr @ 72° F | 5,000 | Extra Hard (Durometer 75D) | 2:1 | -45° to 245° | Metal, Glass, Masonry | Off-White | 0000000 | 000000 |
Bentonite/Petrolatum | |||||||||||||
2.2 lbs. | Can | 5 min. | 1 hrs. | Standard | 10 -4 torr @ 72° F | Not Rated | Not Rated | __ | 15° to 85° | Metal, Plastic, Glass | Gray | 0000000 | 000000 |
Container | |||||||||||||
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Size, fl. oz. | Type | Begins to Harden | Reaches Full Strength | Vacuum Rating, torr | Maximum Vacuum @ Temperature | Tensile Strength, psi | Hardness | Mix Ratio | Temp. Range, °F | For Joining | Color | Each | |
Epoxy Resin | |||||||||||||
2 | Cartridge | 60 min. | 3 days | High | 10 -9 torr @ 72° F | 5,000 | Extra Hard (Durometer 75D) | 2:1 | -45° to 245° | Metal, Glass, Masonry | Off-White | 0000000 | 0000000 |
Loading Method | For Cartridge Size | Material | Each | |
Cartridge | 2 oz. | Plastic | 0000000 | 0000000 |
Low-Outgassing Silicone Sealants
Compliant with ASTM E-595, these sealants produce almost no volatile materials in a vacuum. They’re made of silicone, so they’re RTV (room-temperature vulcanizing).
Elongation indicates flexibility—the higher the value is, the more a sealant can stretch.
Container | |||||||||||||
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Size, fl. oz. | Type | Begins to Harden | Reaches Full Strength | Elongation | Joint Compression/ Expansion Tolerance | Tensile Strength, psi | Hardness | Temp. Range, °F | Specifications Met | For Joining | Color | Each | |
5.8 | Cartridge | 150 min. | 7 days | 420% | -25% to 25% | 600 | Durometer 36A (Medium Soft) | -200° to 500° | ASTM E595 | Metal Plastic Rubber Composites Glass | White | 0000000 | 0000000 |