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Premium PTFE Sealant & Thread Tapes for Industrial Excellence

Manufactured by Ningbo Donglin New Material Co., Ltd. – Your trusted global supplier of high-performance PTFE sealing solutions since 2010. Engineered for durability, chemical resistance, and leak-proof performance across hundreds of applications.

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About Ningbo Donglin

Ningbo Donglin New Material Co., Ltd. is one of the leading manufacturers specializing in the production of PTFE threaded sealing tape and other advanced polymer-based sealing products. Located in Cixi City, Ningbo – a key economic zone in the Yangtze River Delta – we are strategically positioned to serve domestic and international markets with precision-engineered sealing solutions.

Since our inception, we have been committed to innovation, quality, and integrity. Our mission is to lead the future of industrial sealing through science and technology, delivering products that meet the highest standards of performance and reliability.

2010

Founded

100+

Global Clients

Ningbo Donglin Manufacturing Facility

Our Featured Products

Discover our range of high-performance PTFE tapes designed for plumbing, industrial, and specialized sealing applications. All products are made from 100% pure PTFE material, ensuring unmatched chemical resistance and thermal stability.

DongLin Industrial Sealant Tape

DongLin Industrial Sealant Tape (Pack of 10)

  • Size: 1/2″ x 400″
  • Thickness: 0.075mm
  • Color: White
  • Density: 0.30g/cm³
PTFE Thread Seal Tape for Water Pipe

PTFE Thread Seal Tape - Yellow

  • Size: 1″ x 50m
  • Thickness: 0.1mm
  • Color: Yellow
  • Material: 100% Pure PTFE
Expanded PTFE Tape

Expanded PTFE Tape

  • Use: Flange Gasket Sealant
  • Properties: Soft, pliable, conforms to irregular surfaces
  • Material: 100% Pure Expanded Foam PTFE
FDA Grade Expanded PTFE Joint Sealant Tape

FDA Grade Expanded PTFE Joint Sealant Tape

  • Grade: FDA Compliant
  • Features: Resistant to all corrosive media
  • Performance: Excellent cold flow & anti-wrinkle
White Expanded PTFE Tape with Adhesive

White Expanded PTFE Tape with Adhesive

  • Feature: Self-adhesive on one side
  • Benefits: Easy installation, anti-aging, chemical resistant
  • Application: Universal gasket replacement
PTFE Industrial Sealant Tape -190 to 370°C

Industrial Sealant Tape -190°C to 370°C

  • Size: 3/4″ x 50m
  • Thickness: 0.1mm
  • Temp Range: -190°C to +370°C
  • Color: White
DongLin PTFE Thread Seal Tape 1/2 inch

DongLin PTFE Thread Seal Tape 1/2″

  • Size: 1/2″ x 10.5m
  • Thickness: 0.075mm
  • Density: 0.28g/cm³
  • Temp Range: -190°C to +370°C
DongLin Thread Seal Tapes 1/2 by 520 Inches

DongLin Thread Seal Tape 1/2″ x 520″

  • Size: 1/2″ x 520″
  • Thickness: 0.1mm
  • Color: White
  • Pack: 10 Rolls/Box
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Why Choose Our PTFE Tapes?

Our PTFE sealing tapes are engineered for superior performance in the most demanding environments. From residential plumbing to heavy industrial systems, our products deliver consistent, reliable results.

Durable & Long-Lasting

PTFE tape will not harden, crack, or degrade over time – ensuring a long service life even under extreme conditions.

Extreme Temperature Resistance

Operates reliably from -190°C to +370°C, making it ideal for cryogenic and high-heat applications.

Chemically Inert

Resistant to virtually all chemicals, solvents, and corrosive media – perfect for aggressive industrial environments.

Easy to Apply

Elastic and low-tack design ensures smooth unwinding and secure wrapping without sticking to fingers.

10+

Years in Business

100+

Global Clients

50+

Product Variants

10M+

Tapes Shipped

Frequently Asked Questions

What is PTFE tape used for?

PTFE tape, also known as plumber’s tape or thread seal tape, is used to seal pipe threads in plumbing and industrial applications. It prevents leaks by filling gaps between threaded connections and provides a tight, durable seal.

Is your PTFE tape FDA approved?

Yes, we offer FDA-grade expanded PTFE joint sealant tape suitable for food, beverage, and pharmaceutical applications where regulatory compliance is required.

What temperature range can your tapes handle?

Our standard PTFE tapes operate from -190°C to +370°C, making them suitable for extreme cold and high-heat environments including steam lines, refrigeration systems, and chemical processing.

Do you offer custom sizes or packaging?

Yes, we provide customized PTFE tapes in various widths, lengths, thicknesses, and packaging options (e.g., 10 rolls/shrink, 1000 rolls/carton) to meet specific customer requirements.

Can PTFE tape be used on gas lines?

Yes, our PTFE thread seal tapes are compatible with gas piping systems. We recommend using yellow gas-rated tape for natural gas and propane applications.

Get in Touch

Ready to place an order or need technical support? Contact us today for product inquiries, samples, or bulk pricing.

Contact Information

Visit Our Website

For product details, catalogs, and inquiry submission, please visit our official website.

Go to nbdlptfe.com
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