
Loctite SF 7100 Leak Detector
Ensure maximum operational safety and prevent costly downtime with LOCTITE SF 7100, the industry-standard leak detection spray formulated for pressurized gas and compressed air systems. As a trusted industrial supplier, we keep this essential maintenance critical spare in stock and ready for immediate dispatch.
This commercial grade, aqueous surfactant-based formula is delivered via an easy-to-use aerosol spray. Upon application to pipework joints, valves, or suspect fittings, it immediately produces a highly visible foam bubble structure at the precise source of escaping gas. Non-flammable and non-toxic, LOCTITE SF7100 allows for rapid, worry-free fault finding and safety commissioning on a wide range of industrial piping materials.
Key Performance Benefits
- Instant Leak Visualization: Aerosol application generates localized bubbling and long-lasting foam at leak points, preventing rushed inspections.
- Substrate Versatility: Fully compatible and safe for use on iron, copper, and plastic pipework systems.
- Enhanced Worker Safety: Formulated with a non-toxic, non-flammable surfactant mixture utilizing a nitrogen propellant.
- Multi-Gas Compatibility: Highly effective for tracing leaks in pressurized air, nitrogen, helium, argon, and other compressed gas lines. *(Note: Not recommended for pure oxygen, chlorine, or strong oxidizing systems).*
Technical Specifications
- Product Designation: LOCTITE SF7100 (also known as LOCTITE 7100)
- Chemical Type: Aqueous surfactant mixture
- Propellant: Nitrogen (N₂)
- Service Temperature Range: +10°C to +50°C
- Viscosity: Approximately 10 seconds (DIN cup 4)
- Density @ 20°C: 1.0 g/ml
- Internal Pressure @ 20°C: 8 bar
- Delivery Rate: ~3 g/s
- Cure Time: None (remains active as a liquid indicator)
- Tensile Strength: N/A (non-structural leak detector)
- Packaging: 400ml Aerosol Can
Application Instructions
For optimum results, shake the aerosol can thoroughly before use. Maintain a distance of 15 to 20 cm and spray directly onto the suspect joint, weld, or connection. Bubbles will immediately form where gas is escaping. Once the leak is identified, wipe off any excess residue before initiating maintenance. Ensure workers utilize appropriate PPE.
Frequently Asked Questions
Yes. LOCTITE SF7100 is fully compatible with plastic, copper, and iron piping systems, making it highly versatile for mixed-material industrial installations.
No. This product is not recommended for use in pure oxygen or oxygen-rich systems, nor should it be used with chlorine or other strong oxidizing materials.
LOCTITE SF7100 has a service temperature range of +10°C to +50°C. Storage should be maintained between 8°C and 21°C for optimal shelf life.
Request Wholesale & Bulk Pricing
Maximize your procurement budget with direct wholesale volume tiers from Hong Teck Hin. We provide reliable lead times and competitive bulk pricing to commercial operations, field service fleets, and processing plants throughout the region. Please Contact Us today to request a formal quotation.

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