About Sealant Flexibility
More
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 | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 |
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 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.