FORWA Product Selection Guide
Selection by Application Scenario · Product Series · Key Requirements · Quick Process
FORWA · SINCE 1993
0. General Selection Principles
- First check the medium: water, gas, fire protection, chemicals, hydraulic oil, pneumatic, cable/wiring harness.
- Then check the interface: metal thread, regular thread, flange, cable, electronic component, sheet/lining.
- Confirm working conditions: temperature, pressure, vibration, corrosion, insulation, flame retardancy, whether adjustable/detachable is required.
- Confirm compliance: WRAS potable water, UL, ISO 9001, RoHS, REACH, FDA, flame retardant VW-1, etc.
- Confirm construction method: ready to use, curing required, emergency repair, OEM/ODM.
Guide 1: Quick Selection by Application Scenario / Industry
1. Water & Gas Civil/Commercial
| Application Scenario | Recommended Products | Alternative/Combination | Selection Reason |
|---|---|---|---|
| Residential water and gas pipeline basic sealing | PTFE Thread Seal Tape | — | General economical type, controllable cost |
| High-end potable water pipes, hospitals, catering, schools | PTFE Thread Seal Tape (WRAS) | FW55 Sealing Cord, blue Liquid Thread Sealant | Drinking water health and safety, zero residue |
| Household/commercial water supply main pipes, hotel cold and hot water | FW55 Sealing Cord | Blue Liquid Thread Sealant | Ready to use, zero residue |
| Gas meters, gas stoves, water heaters, wall-hung boilers | PTFE Thread Seal Tape | FW55, brown Liquid Thread Sealant | Prevents gas leakage, high-pressure leak-proof |
| Gas pressure regulating stations, public gas transmission and distribution | FW55 Sealing Cord | Brown Liquid Thread Sealant | High gas tightness, anti-loosening |
| HVAC heating, floor heating manifolds, radiators | FW55 Sealing Cord | — | Cold and hot water environment universal |
2. Industrial & Chemical
| Application Scenario | Recommended Products | Alternative/Combination | Selection Reason |
|---|---|---|---|
| Industrial hydraulic cylinders, pneumatic pipelines, pressure gauge threads | PTFE Thread Seal Tape | FW55 | Ensures stable system operation |
| Industrial compressors, pressure vessels, large pipeline flanges | FW55 Sealing Cord | Liquid Thread Sealant (metal threads, high pressure) | 8MPa high-pressure stability; liquid can reach >10MPa |
| Chemical reactors, storage tanks, acid-alkali transfer pipeline threads | PTFE Thread Seal Tape | PTFE Sheet, PTFE Shrink Tubing | Corrosion resistance, strong sealing |
| Chemical reactor linings, pipeline valve pump body linings | PTFE Sheet | PTFE Shrink Tubing | Top-level anti-corrosion performance |
| Chemical sensor leads, acid-alkali equipment leads | PTFE Shrink Tubing | — | Resistant to strong corrosive media |
3. Fire Protection & Emergency Repair
| Application Scenario | Recommended Products | Alternative/Combination | Selection Reason |
|---|---|---|---|
| Building fire sprinkler main pipes, fire hydrants, fire pump rooms | FW55 Sealing Cord | Red Liquid Thread Sealant | Emergency fast sealing, high pressure resistance |
| Public fire sprinklers, industrial fire protection, extinguishing systems | Red Liquid Thread Sealant | FW55 | High pressure resistance, long-term reliability |
| Emergency leak stoppage for sudden household/industrial pipeline leaks | FW55 Sealing Cord | PTFE Thread Seal Tape | Fast leak stoppage, time and labor saving |
| Post-disaster power restoration, sudden cable damage | Self-Fusing Cable Repair Tape | — | Completed in 15-30 minutes, saves 90% cost |
4. Aerospace & High-End Manufacturing
| Application Scenario | Recommended Products | Alternative/Combination | Selection Reason |
|---|---|---|---|
| Aero-engine pipeline thread sealing | PTFE Thread Seal Tape | — | High reliability, extreme working conditions |
| Aircraft fuselage, engine, landing gear fasteners | Threadlocker | — | High reliability, vibration resistance |
| Aircraft and spacecraft internal cable insulation | PTFE Shrink Tubing | PTFE Wire Wrapping Film | High-altitude extreme working conditions |
| Aircraft engines, APU bays, cabin high-temperature wires | PTFE Wire Wrapping Film | PTFE Shrink Tubing | Highest grade insulation |
| Aircraft hydraulic system sealing, avionics insulation | PTFE Sheet | — | High reliability, extreme working conditions |
5. Automotive, New Energy & Rail Transit
| Application Scenario | Recommended Products | Alternative/Combination | Selection Reason |
|---|---|---|---|
| Automotive engine cylinder heads, transmissions, chassis anti-loosening | Threadlocker | — | Prevents loosening, ensures safety |
| Automotive sensors, ignition coils, high-temperature area cables | PTFE Shrink Tubing | PTFE Wrapping Film | High temperature resistance, vibration resistance |
| 800V high-voltage platform battery packs, motors, charging systems | PTFE Wire Wrapping Film | — | High voltage resistance, lightweight |
| High-speed rail, subway, marine electrical lines | PTFE Wire Wrapping Film | Self-Fusing Cable Repair Tape | Flame retardant, vibration resistance |
| Rail transit signal cable joints | Self-Fusing Cable Repair Tape | — | Reliable waterproof sealing |
6. Electronics, Semiconductor, Medical & Communication
| Application Scenario | Recommended Products | Alternative/Combination | Selection Reason |
|---|---|---|---|
| Miniature transformers, sensors, motor lead wire insulation | PTFE Shrink Tubing | PTFE Sheet | Stable insulation in extreme environments |
| High-frequency cable insulation, circuit board substrates, connectors | PTFE Sheet | PTFE Wrapping Film | High-frequency insulation stability |
| Wafer processing equipment, high-temperature sensors, cleanroom robots | PTFE Wire Wrapping Film | PTFE Sheet | Corrosion resistance, cleanliness |
| CT, MRI, surgical instrument precision cables | PTFE Wire Wrapping Film | PTFE Shrink Tubing | Biocompatible, sterilization resistant |
| 5G/6G base station feeders, RF coaxial cables | PTFE Wire Wrapping Film | — | Low signal attenuation |
| Optical cable joint waterproof sealing | Self-Fusing Cable Repair Tape | — | Waterproof sealing |
7. Heavy Industry, Mining, Power & Construction
| Application Scenario | Recommended Products | Alternative/Combination | Selection Reason |
|---|---|---|---|
| Bulldozers, excavators, armored vehicle tracks/joints | Threadlocker | — | Replaces mechanical locking parts |
| Motor rotors, stators, end cover bolts | Threadlocker | — | Permanent locking, anti-loosening |
| Injection molding machines, machine tools, production line daily maintenance | Threadlocker | — | Medium strength, controllable and easy to disassemble |
| Downhole coal shearers, scraper conveyors, hydraulic supports | Threadlocker | Self-Fusing Cable Repair Tape | Impact resistance, corrosion resistance |
| Substations, distribution networks, underground direct-buried cables | Self-Fusing Cable Repair Tape | — | High insulation, reliable |
| Petrochemical explosion-proof area cable repair | Self-Fusing Cable Repair Tape | — | Explosion-proof, anti-corrosion |
| Mine downhole, metallurgical workshop cable protection | Self-Fusing Cable Repair Tape | — | Wear-resistant, harsh environment resistant |
| Construction site temporary power line emergency repair | Self-Fusing Cable Repair Tape | — | Fast repair, time-saving |
Guide 2: Selection by Product Series
| Product Line | Core Positioning | Key Parameters/Features | Best For | Selection Tips |
|---|---|---|---|---|
| 01 PTFE Thread Seal Tape | General thread sealing | -60°C ~ +250°C; 30,000h leak-free; WRAS, UL | Water, gas, industrial, chemical, aerospace pipelines | General economical; traditional thread seal tape is not adjustable and has lower pressure resistance |
| 02 FW55 Sealing Cord | Instant adjustable sealing | Pressure resistance 8MPa; adjustable back 45°; ready to use; zero residue | Potable water, gas, HVAC, industrial high pressure, fire protection, emergency repair | First choice when adjustable, easy to disassemble and fast construction are required |
| 03 Threadlocker | Anti-loosening + anti-corrosion | -50°C ~ +150°C; 5000h curing stability; UL, ISO9001 | Aerospace, automotive, heavy machinery, motors, factory equipment, mining | Used when vibration resistance, locking and rust prevention are required |
| 04 Liquid Thread Sealant | Metal thread sealing | Blue/brown/red three colors; 100% filling; >10MPa; curing required | Potable water, gas, fire protection metal threads | First choice for metal thread high pressure; cleaning required after curing and disassembly |
| 05 PTFE Shrink Tubing | Cable/component insulation | -200°C ~ +260°C; ≥45kV/mm; VW-1 flame retardant | Electrical and electronic, aerospace cables, medical, chemical, automotive high-temperature areas | Used when ultra-wide temperature, corrosion resistance and high insulation are required |
| 06 PTFE Wire Wrapping Film | High-end cable insulation | -150°C ~ +250°C; ε≈2.1; flame retardant; lightweight | Aerospace wires, EV high-voltage wiring harness, 5G/6G, medical, semiconductor, rail transit | High-frequency low loss, lightweight, high-grade insulation |
| 07 PTFE Sheet | Engineering plastic sheet | -200°C ~ +260°C; friction coefficient 0.04; >10¹⁸Ω·cm | Chemical anti-corrosion, bearings and guides, high-frequency insulation, semiconductor, food and pharmaceutical, aerospace sealing | Used when anti-corrosion, self-lubrication, non-stick and high purity are required |
| 08 Self-Fusing Cable Repair Tape | Cable emergency repair | -40°C ~ +250°C; ≥20kV/mm; 15-30 minutes repair | Power, industrial, mining, rail transit, construction, communication, emergency repair | Emergency repair, waterproof sealing, time and cost saving |
Guide 3: Selection by Key Requirements / Working Conditions
| Key Requirement | First Choice | Alternative | Basis/Limitation |
|---|---|---|---|
| General thread sealing, controllable cost | PTFE Thread Seal Tape | FW55 | General economical type; pressure resistance ≤6MPa |
| Adjustable and can be backed off | FW55 Sealing Cord | — | Adjustable back 45° |
| Zero residue, easy disassembly | FW55 Sealing Cord | PTFE Thread Seal Tape | FW55 has no residual adhesive and no hardening; Liquid Thread Sealant has poor disassembly |
| Higher pressure resistance required | Liquid Thread Sealant | FW55 | Liquid >10MPa; FW55 ≤8MPa |
| Ready to use | FW55 / PTFE Thread Seal Tape | Liquid Thread Sealant (curing required) | FW55 requires no curing; liquid requires waiting for curing |
| Vibration resistance, anti-loosening | Threadlocker | — | Tough adhesive layer engages, vibration resistant and anti-loosening |
| High-temperature insulation | PTFE Shrink Tubing / PTFE Sheet | PTFE Wrapping Film | Shrink tubing/sheet -200~+260°C; wrapping film -150~+250°C |
| High-frequency low-loss insulation | PTFE Wrapping Film / PTFE Sheet | — | Wrapping film ε≈2.1; sheet >10¹⁸Ω·cm |
| Strong corrosion resistance | PTFE Sheet / PTFE Shrink Tubing | PTFE Thread Seal Tape | Sheet resistant to strong acids, alkalis and oxidants; shrink tubing resistant to aqua regia |
| Potable water safety | PTFE Thread Seal Tape (WRAS) | Blue Liquid Thread Sealant | UK WRAS potable water certification |
| Gas sealing | PTFE Thread Seal Tape / FW55 | Brown Liquid Thread Sealant | High gas tightness, anti-loosening |
| Fire protection sealing | FW55 / Red Liquid Thread Sealant | — | High pressure resistance, long-term reliability |
| Cable emergency repair | Self-Fusing Cable Repair Tape | — | Completed in 15-30 minutes, saves 90% cost |
| Food and pharmaceutical sanitary grade | PTFE Sheet | — | FDA sanitary grade |
| Flame retardant | PTFE Shrink Tubing / PTFE Wrapping Film | — | Shrink tubing VW-1; wrapping film inherently flame retardant |
Guide 4: Sealing Material Comparison & Locking Solution Comparison
1. Sealing Material Comparison
| Feature | FORWA 55 Sealing Cord | Traditional PTFE Thread Seal Tape | Liquid Thread Sealant |
|---|---|---|---|
| Sealing Principle | Physical + chemical dual | Physical filling | Chemical curing |
| Pressure Resistance | Medium (≤8MPa) | Low (≤6MPa) | High (>10MPa) |
| Adjustability | Adjustable back 45° | Not adjustable | Adjustable before curing |
| Effective Time | Instant | Instant | Waiting for curing required |
| Disassembly Convenience | Excellent (no residue) | Good (fragments) | Poor (cleaning required) |
| Applicable Interface | Various threads | Regular threads | Metal threads only |
2. FORWA Threadlocker vs Traditional Locking Methods
| Item | Traditional Method | FORWA Threadlocker |
|---|---|---|
| Thread Clearance | Clearance exists, easy to oxidize and rust | Fills all clearances, sealing and rust-proof |
| Vibration Resistance | Poor locking effect, easy to loosen | Tough adhesive layer engages, vibration resistant and anti-loosening |
| Locking Strength | Uncontrollable, easy to damage threads | Controllable strength, easy disassembly without damaging threads |
| Temperature Resistance Range | Limited by material | -50°C ~ +150°C |
| Environmental Friendliness | Contains metal parts, pollution risk | Non-toxic and pollution-free, UL certified |
| Construction Efficiency | Requires multiple accessories | Apply adhesive and install, simplifies assembly |
Guide 5: Quick Selection Process
- Determine the medium: water / gas / fire protection / chemicals / oil / air / cable.
- Determine the interface: metal thread / regular thread / flange / cable / component / sheet.
- Determine working conditions: temperature, pressure, vibration, corrosion, insulation, flame retardancy.
- Determine construction requirements: ready to use / adjustable / detachable / curing required / emergency.
-
Match products:
- Thread sealing: PTFE Thread Seal Tape → FW55 → Liquid Thread Sealant.
- Locking and anti-loosening: Threadlocker.
- Insulation protection: PTFE Shrink Tubing / Wrapping Film / Sheet.
- Cable repair: Self-Fusing Cable Repair Tape.
- Confirm certifications: WRAS, UL, ISO 9001, RoHS, REACH, FDA, VW-1, etc.
Certifications and Standards
Certifications
ISO 9001 | WRAS (UK) | UL (USA) | SEDEX (EU) | RoHS | REACH | PFOA
Industry Standard Drafting Unit
- QB/T4008-2022 (Thread Seal Tape)
- T/SHPTA073-2024 (Wire Wrapping Film)
Frequently Asked Questions (FAQ)
- What does this article mainly introduce?
FORWA Product Selection Guide, for selection by application scenario, product series, key requirements and quick process.
- Which category does it belong to?
Download Center / Selection Guide
- What are the general selection principles?
First check the medium, then check the interface, confirm working conditions, confirm compliance, confirm construction method.
- Which industries are covered?
Water and gas, industrial and chemical, fire protection and emergency, aerospace, automotive and new energy, electronics, semiconductor, medical and communication, heavy industry, mining, power and construction, etc.