Teflon PTFE Coated Fiberglass Tape

Teflon tape has the characteristics of high temperature resistance, corrosion resistance, insulation, and non-stickiness, and is widely used in industry, electronics, pipeline sealing and other fields.

Production Process Flow

From raw materials to finished product, every step is rigorously controlled to ensure consistent and reliable performance.

The process starts with PTFE (polytetrafluoroethylene) fine powder. This powder is mixed with a lubricant, often a type of mineral spirit or naphtha, to create a paste-like consistency. This makes the powder workable for the next steps.

The lubricated paste is then compressed under pressure into a solid, cylindrical shape called a billet. This compacts the powder and prepares it for extrusion.

The billet is forced (extruded) through a die, emerging as a long, continuous rod or tube. This is the first step in shaping the material.

This is the most critical step. The extruded rod is fed through a series of large, heated, high-pressure rollers. Each set of rollers squeezes the material, making it progressively thinner and wider. This intense rolling and stretching process does two things:

  • It creates a very thin, uniform film.
  • It aligns the PTFE molecules in the direction of the stretch, which gives the tape its characteristic strength and prevents it from breaking easily when pulled.
The thin film is then passed through a high-temperature oven. This has two stages:

  • First, the lubricant added in step one is completely evaporated.
  • Second, the temperature is raised even higher (to the sintering point) to fuse the PTFE particles together into a solid, non-porous, and strong film.
The final, wide sheet of Teflon film is then precisely cut (slit) into narrow strips of the desired width. These narrow strips are then wound onto the familiar plastic spools that you see in stores.
Teflon-PTFE-Coated-Fiberglass-Tape

PTFE Fiberglass Adhesive Tape

Teflon PTFE Coated Fiberglass Tape Series Specification Sheet

Item 1013J Adhesive Tape 1018JT Adhesive Tape 1017JT Adhesive Tape 1019JT Adhesive Tape 1025J Thick Adhesive Tape 1028 Smooth Adhesive Tape 1030J Adhesive Tape
Substrate Thickness 0.06mm (±0.01) 0.08mm (±0.01) 0.095mm (±0.01) 0.095mm±0.01 0.15mm (±0.01) 0.18mm±0.01 0.2mm ±0.01mm
Emulsion System PTFE Tetrafluoro PTFE Tetrafluoro PTFE Tetrafluoro PTFE Tetrafluoro PTFE Tetrafluoro PTFE Tetrafluoro PTFE Tetrafluoro
Coating Thickness 0.02mm 0.03mm 0.03mm – 0.05mm 0.05mm 0.05mm
High-temperature Cloth Thickness 0.08mm (±0.01) 0.11mm (±0.01) 0.125mm (±0.01) 0.13mm±0.01 0.2mm (±0.01) 0.23mm±0.01 0.25mm±0.01mm
Adhesive Series Organic Silicone Pressure-sensitive Adhesive Organic Silicone Pressure-sensitive Adhesive Organic Silicone Pressure-sensitive Adhesive Organic Silicone Pressure-sensitive Adhesive Organic Silicone Pressure-sensitive Adhesive Organic Silicone Pressure-sensitive Adhesive Organic Silicone Pressure-sensitive Adhesive
Adhesive Coating 0.05mm 0.05mm 0.05mm 0.05mm 0.05mm 0.05mm 0.05mm
Total Thickness 0.13mm (±0.01) 0.16mm (±0.01) 0.17mm (±0.01) 0.18mm±0.01 0.25mm (±0.01) 0.28±0.01mm 0.3±0.01mm
Elongation Coefficient 5% 5% 5% 5% 5% 5% 5%
Surface Friction Coefficient – – – 0.05 – 0.1 0.05-0.1 0.05-0.1 0.05-0.1
Insulation Coefficient ≥10¹² Ohms ≥10¹² Ohms ≥10¹² Ohms ≥10¹² Ohms ≥10¹² Ohms ≥10¹² Ohms ≥10¹² Ohms
Adhesion Strength (to steel) 8-11N/25mm 9-12N/25mm 9-12N/25mm 10 – 15N/25mm 10-15N/25mm 10-15N/25mm 10-15N/25mm
Dielectric Index 2.5KV 2.5KV 2.5KV 2.5KV 2.5KV 2.5KV 2.5KV
Test Method 260° Oven Tensile Test 260° Oven Tensile Test 260° Oven Tensile Test 280° Oven Tensile Test – – –

Technical Breakdown: Teflon Tape Usage

Understanding the correct application and inherent properties of Teflon tape is crucial for achieving a leak-proof seal. Misunderstanding its function can lead to joint failure.

Correct Usage & Properties

  • Use as a Thread Sealant: Its primary function is to fill the gaps between threads to prevent leaks.
  • Apply with Thread Direction: Always wrap the tape clockwise (for standard threads) so it doesn’t unravel during tightening.
  • Excellent Lubricity: Allows for a tighter connection and prevents thread galling or seizing.
  • Chemically Inert: Resistant to solvents, acids, and gases, making it suitable for a wide range of applications.
  • Wide Temperature Range: Remains effective and stable in both very hot and cold environments.

Incorrect Usage & Misconceptions

  • Not an Adhesive: Teflon tape does not glue threads together; it only seals them.
  • Don’t Use on Compression Fittings: It can interfere with the way compression fittings create a seal, causing leaks.
  • Wrong Type for Gas Lines: Using standard white tape on gas pipes is unsafe; higher-density yellow tape is required.
  • Covering the First Thread: Leaving the first thread bare prevents tape from shearing off and contaminating the system.
  • Not Reusable: If a joint is loosened, the old tape should be removed and a fresh layer applied.

Functions, Uses, and Applications

Teflon tape is an indispensable material for sealing threaded pipe joints. Its core function is to create a reliable, leak-proof seal in a wide variety of fluid and gas systems.

Thread Sealing

Fills the microscopic gaps between male and female threads, creating a tight, impermeable barrier that prevents water, gas, or other fluids from leaking.

Lubrication

The tape’s low-friction surface allows threads to be assembled more smoothly and tightened further, achieving a more secure fit without galling or seizing.

Corrosion Prevention

Protects threads from direct contact with moisture and corrosive substances, making disassembly easier in the future, even after long periods of use.

Primary Application Fields

Our product is widely used in the installation and repair of various threaded pipe systems:

  • Plumbing & HVAC: (Water pipes, showerheads, radiators, air conditioning lines)
  • Gas Fitting: (Natural gas and propane lines, requiring specialized yellow tape)
  • Automotive Repair: (Fluid lines for oil, coolant, and fuel; threaded sensors)
  • Industrial & Chemical Piping: (Lines carrying aggressive chemicals, solvents, or oxygen)
  • Pneumatic Systems: (Compressed air lines for tools and machinery)

Quality Standards & Certifications

We are committed to delivering the highest quality products, a promise backed by strict internal standards and authoritative third-party certifications.

Appearance Standard

Tape surface is smooth and free of defects like bubbles, scratches, or impurities. Edges are clean with no adhesive bleed.

Performance Consistency

Each batch is tested for key performance indicators like peel strength to ensure stable and reliable performance.

Dimensional Tolerance

Strict control over width and thickness tolerances ensures high consistency for automated production lines.

Third-Party Inspection & Certification

ISO 9001:2015

Quality Management System certification, demonstrating our ability to consistently produce high-quality products.

RoHS Directive

Products are free of hazardous substances, complying with EU environmental standards for user and environmental safety.

REACH Regulation

Compliant with EU chemical regulations, ensuring a high level of protection for human health and the environment.