About Sealant Flexibility
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Non-Hardening Thread Sealants with PTFE
PTFE provides a slippery surface that keeps threads from binding. These sealants never fully harden, remaining pliable enough to self-heal and stop leaks before they start, so they’re often used in high-vibration applications that could cause standard thread sealants to fail. Since they have low locking strength, these sealants can be adjusted without tools.
Sealants that meet NSF/ANSI 61 adhere to safety standards for drinking water systems.
VOC regulations restrict sales of sealants that cannot be sold to the listed jurisdictions/areas.
Container | Max. Pressure, psi | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size, fl. oz. | Type | For Fluids | For Gases | Temp. Range, °F | For Max. Thread Dia. | Consistency | Specifications Met | Color | Each | |
Low Locking Strength | ||||||||||
Sealants | ||||||||||
| 0.125 | Tube | 10,000 | 3,000 | -100° to 600° | 2" | Paste | CSA Certified, CSA-US Certified, UL Classified | Blue | 00000000 | 00000 |
| 2 | Tube | 10,000 | 3,000 | -100° to 600° | 3" | Paste | CSA Certified, CSA-US Certified, UL Classified | Blue | 0000000 | 0000 |
| 4 | Brush-Top Can | 5,000 | 1,500 | -50° to 500° | 2" | Paste | NSF/ANSI 61 | Blue | 00000000 | 00000 |
| 4 | Brush-Top Can | 10,000 | 3,000 | -100° to 600° | 3" | Paste | CSA Certified, CSA-US Certified, UL Classified | Blue | 0000000 | 00000 |
| 8 | Brush-Top Can | 10,000 | 3,000 | -100° to 600° | 3" | Paste | CSA Certified, CSA-US Certified, UL Classified | Blue | 0000000 | 00000 |
| 16 | Brush-Top Can | 10,000 | 3,000 | -100° to 600° | 2" | Paste | CSA Certified, CSA-US Certified, UL Classified | Blue | 00000000 | 00000 |
| 32 | Brush-Top Can | 10,000 | 3,000 | -100° to 600° | 2" | Paste | CSA Certified, CSA-US Certified, UL Classified | Blue | 00000000 | 00000 |
Non-Hardening Thread Sealants
Often used in high-vibration applications that could cause standard thread sealants to fail, these never fully harden and remain pliable enough to self-heal and stop leaks before they start. Formulated without PTFE, these sealants are less slippery and less likely to result in overtightenting than sealants that have PTFE, making them good for plastic pipe where overtightening could lead to cracks and breaks. They have low locking strength, so they can be adjusted without tools.
To adhere to safety standards for drinking water systems, use sealants that meet NSF/ANSI 61.
Container | Max. Pressure, psi | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Type | For Fluids | For Gases | Minimum Temp., °F | Maximum Temp., °F | For Max. Thread Dia. | Consistency | Specifications Met | Color | Each | |
Low Locking Strength | |||||||||||
Sealants | |||||||||||
| 4 fl. oz. | Brush-Top Can | 6,000 | 3,000 | -100° | 600° | 2" | Paste | NSF/ANSI 61 | Blue | 00000000 | 000000 |
| 8 fl. oz. | Brush-Top Can | 6,000 | 3,000 | -100° | 600° | 2" | Paste | NSF/ANSI 61 | Blue | 000000 | 00000 |
| 16 fl. oz. | Brush-Top Can | 6,000 | 3,000 | -100° | 600° | 2" | Paste | NSF/ANSI 61 | Blue | 00000000 | 00000 |
| 32 fl. oz. | Brush-Top Can | 6,000 | 3,000 | -100° | 600° | 2" | Paste | NSF/ANSI 61 | Blue | 00000000 | 00000 |
Fine-Particle Abrasion-Resistant Surface Fillers for Metal
For use in processing equipment that carries particles smaller than 1/16" in diameter, these ceramic-filled epoxies rebuild and repair surfaces exposed to abrasion from particles, such as dust collectors, fan blades, and fan housings. The size listed is the combined total of the two parts.
Container | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mfr. Model No. | Net Weight, lbs. | Type | Begins to Harden, min. | Reaches Full Strength, hrs. | Consistency | Mix Ratio | Approx. Coverage @ Thick. | Max. Thick. | For Use Outdoors | Temp. Range, °F | Color | Finishing Method | For Use On | Each | |
Loctite® Nordbak Pneu-Wear | |||||||||||||||
| PC 7455 | 6 | Can | 10 | 3 | Paste | 2:1 | 310 sq. in. @ 1/4" | 1/4" | Yes | -20° to 220° | Blue | Machine, Drill, Sand, Saw, Tap | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium | 0000000 | 0000000 |
Large-Particle Abrasion-Resistant Surface Fillers for Metal
For use in processing equipment that carries large particles 1/16" in diameter and larger, these ceramic-filled epoxies rebuild and repair surfaces exposed to abrasion from particles, such as pump housings, chute linings, and hoppers. The size listed is the combined total of the two parts.
Container | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mfr. Model No. | Net Weight, lbs. | Type | Begins to Harden, min. | Reaches Full Strength, hrs. | Consistency | Mix Ratio | Approx. Coverage @ Thick. | Max. Thick. | Temp. Range, °F | Color | Finishing Method | For Use On | Each | |
Loctite® Nordbak Wearing Compound | ||||||||||||||
| PC 9599 | 6 | Jar, Can | 10 | 3 | Paste | 2:1 | 310 sq. in. @ 1/4" | 1/4" | -20° to 220° | Blue | Machine, Drill, Sand, Saw, Tap | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Cast Iron, Titanium | 000000 | 0000000 |
High Spot Blue Marking Paste
Identify high spots, interference points, and improper fit on bearings, gears, and valves. Apply this blue paste, also known as engineers’ blue, to parts or components and assemble them into working position. Any improper fit will show up as a blue streak. Paste cannot be sold to the listed areas because it exceeds local regulatory limits on VOCs (volatile organic compounds). Remove paste with Marking Fluid Remover.
| Container Size | Fluid Type | Clarity | Container Type | Color | Cannot Be Sold To | Each | |
| 0.55 fl. oz. | Paste | Opaque | Tube | Blue | Outside United States | 0000000 | 000000 |
Ready-to-Use Silicone Potting Compounds
No mixing required—these potting compounds come ready to apply. Use them to encase electronic assemblies for protection from dust, moisture, mechanical shock, and vibration. Softer and more flexible than epoxies and urethanes with the widest temperature range, silicone potting compounds are the best choice for high-temperature applications and electronics exposed to thermal cycling. They have good moisture resistance but poor chemical and abrasion resistance. Silicones provide excellent electrical insulation. They're also known as RTV (room-temperature vulcanizing) compounds because they don’t need heat or UV light to cure.
Container | Dry Time | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mfr. Model No. | Size, fl. oz. | Type | Consistency | Touch | Overall, hrs. | Dielectric Strength, V/mil | Thermal Conductivity, W/m-K | Temp. Range, °F | For Use On | Color | Clarity | Each | |
Dow Corning Compounds—Soft | |||||||||||||
| 839 | 10.3 | Cartridge | Paste | 35 min. | 24 | Not Rated | Not Rated | -45° to 390° | Aluminum, Brass, Bronze, Copper, Steel, Stainless Steel, Titanium, Plastic, Rubber, Composites, Fiberglass, Ceramic, Glass | Blue | Semi-Clear | 0000000 | 000000 |