Peflon Alternative to Loctite 55 Pipe Sealing Cord Manufacturer
We are a thread-sealing cord manufacturer in China. This PTFE-based pipe sealing cord is the same as Loctite 55. OEM/ODM available, free samples and FDA approved.

What is Loctite 55 thread sealing cord?
Peflon PTFE thread cord is a flexible, thread-sealing cord designed to provide a reliable, leak-proof seal on tapered and straight threaded pipe connections. The pipe sealing is designed for use instead of PTFE Sealing tape; it's easy to apply and re-adjust. It specializes in Universal Compatibility, Easy Application and Adjustment which is suitable for a wide range of industrial applications, including chemical processing equipment, pneumatic, and fluid transfer systems. The cord is built on PTFE (CAS RN 9002-84-0), the fully fluorinated polymer produced by fluoropolymer leaders such as Daikin.
Pipe sealing cord by length
We provide more length options, ranging from 25M, 50M, 160M and Custom Specifications different length with excellent benefits to meet your requirement.

25M Loctite sealing cord
- Suitable for small-scale repairs or minimal usage scenarios.

50M Loctite thread cord
- A common mid-range specification, ideal for general industrial or household repair needs.

160M Thread sealing cord
- Large spool size, designed for frequent use or professional applications.
Pipe thread sealing cord by package
Our products are available in various lengths and diameters to suit customed thread sizes within packaging formats referred to 10, 25, 50 ropes about Spool and Cartridge.

10r Thread seal cord
- Ideal for small repairs or field service work.
- Easy to carry in toolkits or pockets.
- Lower upfront cost for minimal usage needs.

25r Loctite 55 pipe sealing cord
- Suitable for both professional and DIY use.
- Enough material for multiple pipe fittings or medium-sized jobs.
- Popular among plumbers and technicians for routine maintenance.

50r Loctite pipe sealing cord
- Designed for frequent or large-scale applications.
- Preferred in workshops, factories, or heavy-duty plumbing.
- Easy to apply by wrapping directly onto threads.
Why Choose Peflon loctite thread seal cord?
How to use Loctite 55 thread sealing cord?
Watch how Peflon thread sealing cord is applied for a fast, leak-proof and re-adjustable seal.
Product specifications
- Item dimensions L x W x H: 9.8 x 5.4 x 16.5
- Compact style with 0.05 kilograms as item weight.
- Operating temperature -20.0 - 150.0 °C
Loctite cord tested by international certifications
- With the approval of EN 13828 and ISO 9001.
- Certified to NSF, ANSI, WARS, SVHC, ISO.

Feature of loctite pipe seal
We offer superior sealing performance over conventional methods, combining ease of use with its outstanding properties in demanding environments.
Adjustable & Reusable
Allows for disassembly and re-tightening without compromising the seal integrity.
Temperature & Pressure Resistance
Performs reliably under high-pressure (up to 10,000 psi / 689 bar) and high-temperature (up to 150°C / 302°F) conditions.
Vibration & Shock Resistant
Maintains seal stability in dynamic environments.
No Over-Tightening Needed
Reduces the risk of thread damage compared to traditional PTFE tape.
Applications of Loctite 55
Peflon loctite 55 products apply in many aspects because of their advantages: No curing time, reusable, works on damaged threads.
Loctite 55 diesel & Gas
High-pressure pipelines, valves, and flanges.
Hydraulics
Industrial hydraulic systems, compressed air lines.
Chemical Processing
Corrosive fluid handling.
Water Distribution
Municipal and industrial plumbing.
Loctite 55 vs Teflon Tape
| Property | Loctite 55 | Teflon Tape (PTFE Tape) |
|---|---|---|
| Material Composition | PTFE-impregnated fibrous cord with adhesive | Pure polytetrafluoroethylene (PTFE) film |
| Form | Thread sealant cord | Thin, non-adhesive tape |
| Application Direction | Clockwise (for right-handed threads) | Clockwise (typically 3–6 wraps) |
| Sealing Mechanism | Mechanical compression + slight chemical bond | Friction-based gap filling + lubrication |
| Pressure Resistance | High (up to 10,000 psi) | Low to medium (varies by density) |
| Temperature Range | –200°C to +150°C | –260°C to +260°C (short-term) |
| Chemical Resistance | Excellent (fuels, solvents, acids) | Excellent (chemically inert) |
| Reusability | Adjustable up to 180° post-assembly | Requires reapplication after disassembly |
| Vibration Resistance | High (fibers resist loosening) | Moderate (prone to extrusion under stress) |
| Thread Compatibility | Universal (single product for all sizes) | Requires selection of width/thickness |
| Primary Applications | Hydraulics, pneumatics, oil/gas, high-pressure systems | Plumbing, water/gas lines, low-pressure piping |
FAQ of Loctite 55
Where can I buy a Loctite 55 equivalent pipe sealing cord?
Peflon is a direct manufacturer of Loctite 55 equivalent thread sealing cord in China, offering OEM/ODM, free samples and factory pricing. Contact us for wholesale and bulk orders.
Is Peflon sealing cord the same as Loctite 55?
Our thread sealing cord is a PTFE-based equivalent to Loctite 55, offering comparable universal thread compatibility, adjustability and high-pressure sealing. It is FDA-approved, with OEM/ODM and free samples available.
How do I select the right pipe thread sealing cord?
Match the cord to your working pressure, temperature and thread size. Peflon PTFE-based sealing cord suits high-pressure hydraulic, pneumatic, oil, gas and water systems. Send us your application details and we will recommend the correct length and package.
How to use Loctite 55 sealing cord?
Steps to apply the sealing cord: 1. Prepare the thread. 2. Apply the cord clockwise onto the thread. 3. Assemble immediately. 4. Pressure test the connection.
How should the pipe sealing cord be stored?
Ensure the threads are in a clean and dry environment.
Related loctite 55 thread Products
Peflon products range include both Loctite 55 and complementary products like Teflon tape and Pipe Sealant Thread. For details, please contact us to obtain samples and a quotation.

PTFE thread seal tape
PTFE thread seal tape (Teflon tape) for plumbing, water and gas lines.

PTFE Packing
PTFE packing and gland packing for pumps, valves and rotating equipment.

Get a Quote on Loctite 55 Pipe Sealing Cord
Whether you are a manufacturer or distributor, contact us for a free sample or solution. Peflon provides a one-stop technical solution.
