Loctite 5113 thread sealant with PTFE – high‑lubricity, non‑curing paste for fast reliable metal pipe thread sealing.
Loctite 5113 thread sealant with PTFE is a versatile, non‑curing paste designed for industrial sealing and lubrication of threaded metal pipe joints. With a smooth, off‑white consistency and flow similar to SAE 40 motor oil, this brush‑top paste ensures fast instant sealing to moderate pressures (up to 5,000 psi) and remains effective across a wide temperature range from –65 °F (–51 °C) up to 300 °F (149 °C)
Solvent‑based paste with dispersed PTFE for enhanced lubricity
Non‑curing formulation allows easy disassembly
Instant moderate pressure sealing; full performance in ~24 hours
Ideal for threaded pipes, fittings, flanges; suitable for water, alkali (10%), ethylene glycol, petroleum, lubricating oil lines
Temperature range: –65 °F to 300 °F (–51 °C to 149 °C)
Maximum liquid pressure resistance: 5,000 psi
| Specification | Details | 
|---|---|
| Brand | LOCTITE | 
| Model/Part No. | 5113 / 1527514 | 
| Color | Off‑white paste | 
| Physical Form | Brush‑top can, 16 fl oz (473 mL) | 
| Viscosity | 50 000–60 000 mPa·s (cP) | 
| Specific Gravity | ~1.12 @ 25 °C | 
| Temperature Range | –65 °F to 300 °F (–51 °C to 149 °C) | 
| Maximum Pressure Resistance | Up to 5,000 psi | 
| Cure Type | Non‑hardening paste | 
| Components | Single‑component, no mixing | 
| Application Method | Brush | 
| Cleanup | Loctite solvent and mechanical abrasion | 
Loctite 5113 is ideal for sealing threaded connections in plumbing systems, hydraulic setups, oil and glycol lines, chemical piping (alkali up to 10%), water mains and industrial process installations. Particularly suited for metal threads including stainless steel, carbon steel, brass, and some plastics.
Clean all male and female threads thoroughly using Loctite cleaning solvent; allow to dry.
Apply a full 360° bead on male threads, avoiding the first thread. Press into threads to fill voids.
Allow solvent to flash off for a few minutes before assembling.
Hand‑tighten then torque fittings per manufacturer recommendations.
Seals instantly to moderate pressure; for full resistance and solvent toughness, allow at least 24 hours cure time.
For disassembly: use heat (~250 °C) on large or stuck joints or standard mechanical tools for easy removal
Trusted LOCTITE brand quality in industrial sealing
Versatile compatibility with water, oils, alkali, glycol systems
Excellent lubricity and thread protection
Non‑curing formula allows easy maintenance and rework
Wide operating temperature and high pressure tolerance
Brush‑can packaging for neat, controlled application
| Weight | 1.3 kg | 
|---|---|
| Dimensions | 3.25 × 3.25 × 4.75 cm | 

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