Anaerobic Pipe Sealants
The latest technology in pipe sealing. No more messy PTFE tape - our anaerobic sealants provide quick, easy, and reliable thread sealing that will not leak out.
- WRAS
- NSF
- DVGW
- CE
Product Range
Choose the right pipe sealant for your application
- 542
- High Strength
Guarri 542
Enhanced Heat Resistance
High temperature resistant anaerobic pipe sealant designed for applications requiring enhanced thermal performance. Ideal for hot water systems, heating installations, and industrial applications.
- Temp: -50°C to +200°C
- Gap: up to 0.15mm
- Viscosity: Medium
Application
- Hot water systems
- Heating installations
- Industrial pipelines
- High-temp applications
- 543
- Medium Strength
Guarri 543
General Purpose, Removable
Medium viscosity and medium strength anaerobic pipe sealant. Thixotropic formulation reduces run-off and migration. Easily applied to threaded joints and removed with hand tools.
- Temp: -50°C to +150°C
- Gap: up to 0.20mm
- Viscosity: Medium (6000-12000 cPs)
- Removable with hand tools
Application
- General plumbing
- Gas installations
- Water systems
- Maintenance work
- 577
- Medium-High Strength
Guarri 577
Maximum Gap-Filling
Enhanced chemical resistance and maximum gap-filling formulation. Perfect results on wide-diameter pipes (wider than 50mm) and applications requiring superior sealing performance.
- Temp: -60°C to +150°C
- Gap: up to 0.40mm
- Viscosity: High
Application
- Wide-diameter pipes (>50mm)
- Chemical resistance applications
- Industrial installations
- Hydraulic systems
Product Comparison
Compare specifications across our pipe sealant range
| Specification |
Guarri 542 |
Guarri 543 | Guarri 577 |
|---|---|---|---|
|
Temperature Range |
-50°C to +200°C | -50°C to +150°C | -60°C to +150°C |
| Strength | High | Medium | Medium-High |
| Gap Filling | up to 0.15mm | up to 0.20mm | up to 0.40mm |
| Color | Blue | Blue | Yellow |
| Removable | No | Yes | No |
Application Areas
Guarri pipe sealants are suitable for a wide range of industrial and commercial applications
Plumbing Systems
Domestic and commercial water supply installations
Gas Installations
Natural gas and LPG pipe connections
Industrial Pipelines
Process piping and industrial applications
HVAC Systems
Heating, ventilation, and air conditioning
Hydraulic Systems
High-pressure hydraulic connections
Fire Protection
Sprinkler systems and fire suppression
Ready to Order?
Contact our sales team for pricing, minimum order quantities, and delivery information.