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Advanced Plastic Solutions for Industrial Applications

QINGDAO TSD PLASTIC CO., LTD. specializes in high-performance heat shrinkable sleeves, electro fusion welding systems, plastic welders, and engineered plastic products for infrastructure, pipeline, and industrial use.

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About QINGDAO TSD PLASTIC

QINGDAO TSD PLASTIC CO., LTD. is a professional manufacturer specializing in heat shrinkable products, electro fusion welding solutions, plastic welding equipment, and high-density polyethylene (HDPE) materials.

With years of experience in material science and industrial engineering, we deliver reliable, durable, and high-performance products used in pipeline construction, drainage systems, corrosion protection, and industrial sealing applications.

15+ Years
Industry Experience
50+
Global Clients
Manufacturing Facility Product Testing Quality Control Packaging

Our Products

High-performance solutions for pipeline protection, electro fusion welding, plastic joining, and industrial plastic materials.

3PE Heat Shrinkable Sleeve

3PE Heat Shrinkable Sleeve

Combined with two-component epoxy primer and high adhesive strength heat shrinkable tape. Overlaps fixed with a fixing plate for superior sealing.

  • • Corrosion-resistant protection
  • • High adhesive strength
  • • Ideal for pipeline joints
Fiberglass Reinforced Heat Shrinkable Tape

Fiberglass Reinforced Heat Shrinkable Tape

Manufactured from fiber-reinforced composite PE sheet with imported hot melt adhesive. Radiation cross-linked for durability.

  • • Thickness: 1.2–2.5mm
  • • Tensile strength: ~15MPa
  • • Peel strength: >70N/cm
Coiling Heat Shrinkable Tape

Coiling Heat Shrinkable Tape

High-performance hot melt adhesive composited into PE substrate, radiation cross-linked for consistent performance.

  • • Quick construction
  • • Excellent sealing effect
  • • Durable under stress
Heat Shrinkable Sleeve

Heat Shrinkable Sleeve

Also known as “dead sleeve” or “round barrel sleeve.” Inner layer: high-adhesion hot melt adhesive. Outer layer: irradiation cross-linked PE.

  • • Used for drainage pipes
  • • Seals plastic manholes
  • • High shrinkage rate
PE Electro Fusion Welding Band

PE Electro Fusion Welding Band

Designed for steel-reinforced HDPE spiral pipes and plastic hollow wall spiral pipes. Ensures strong, leak-proof joints.

  • • For HDPE spiral pipes
  • • High fusion strength
  • • Reliable sealing
Electro Fusion Welding Machine

Electro Fusion Welding Machine

Precision control system for consistent heating and fusion. Ideal for field and factory applications.

  • • Digital temperature control
  • • Portable design
  • • Safe and efficient
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Hand Plastic Extruder

Manual extrusion welder for on-site repairs and joining of plastic sheets and pipes. Lightweight and easy to operate.

  • • Ergonomic design
  • • Adjustable temperature
  • • For PE, PP, PVDF
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Pipe Butt Fusion Welder

Hydraulic or manual fusion welder for joining HDPE pipes. Ensures full penetration and high joint strength.

  • • For diameters 63–630mm
  • • Precision alignment
  • • Durable construction
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Plastic Sheet & Board

High-density polyethylene (HDPE) sheets and boards for industrial lining, chemical tanks, and construction.

  • • Chemical resistant
  • • UV stabilized options
  • • Custom thickness
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Plastic Welding Rods

Compatible with PE, PP, and PVDF. Used with extrusion welders for strong, seamless joints.

  • • Diameter: 3–8mm
  • • High purity material
  • • Consistent diameter
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HDPE Pipe

High-density polyethylene pipes for water supply, drainage, gas distribution, and industrial fluid transfer.

  • • Pressure-rated
  • • Long service life
  • • Corrosion-proof
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Plastic Sheet Butt Welding Machine

Designed for joining plastic sheets in fabrication of tanks, liners, and industrial components.

  • • Uniform heat distribution
  • • Adjustable speed
  • • For flat surfaces

Advanced Technology

Our products are engineered using cutting-edge processes to ensure reliability, durability, and performance in demanding environments.

🔬

Radiation Cross-Linking

Enhances molecular structure of PE substrates for improved strength, heat resistance, and dimensional stability.

⚙️

Fiber Reinforcement

Integrates fiberglass into composite sheets for superior tensile strength and mechanical durability.

🔥

Electro Fusion Precision

Controlled heating ensures uniform fusion, creating leak-proof, high-strength joints in plastic piping systems.

150+
Products
30+
Countries
99.8%
Satisfaction
10+
Years Warranty

Frequently Asked Questions

What is a heat shrinkable sleeve used for?

Heat shrinkable sleeves are used to seal and protect joints in plastic drainage pipes, manholes, and pre-insulated pipelines, providing waterproofing and corrosion resistance.

Can electro fusion welding be used in wet conditions?

While electro fusion welding requires clean, dry surfaces for optimal results, proper preparation and enclosures can allow use in damp environments.

What materials are compatible with your welding rods?

Our plastic welding rods are designed for use with PE (polyethylene), PP (polypropylene), and PVDF (polyvinylidene fluoride) materials.

Do you offer custom sizes or specifications?

Yes, we provide OEM services and can customize product dimensions, thickness, and performance characteristics based on project requirements.

Get in Touch

For inquiries, quotes, or technical support, contact us directly.

Contact Information

Phone: +86 158 5427 9111

Website: qdtsd.net

We respond to all inquiries within 24 hours during business days.

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