China Shaped Tube

About Us
Pulte Electric Technology (Wenzhou) Co., Ltd.
Pulte Electric Technology (Wenzhou) Co., Ltd. is a China Custom Shaped Tube Manufacturer and Sale Shaped Tube Factory specializing in producing cable connectors, waterproof junction boxes, and other electrical product accessories. The company was born in the electrical town known as the "China Electrical Capital". It is a professional modern enterprise integrating R&D, production, and sales. Focusing on the brand building of Pulte "PULTE", with excellent technical crispness and efficient quality assurance, satisfactory and thoughtful sales service, and reasonable and affordable prices, its various technical indicators and product performance are better than its peers, and are widely used in junction boxes, distribution cabinets, communication equipment, instruments, and meters, medical equipment, machine tools, artificial intelligence, automation equipment, and other fields: constantly innovating, developing new products, forming a series of waterproof cable connectors, waterproof junction boxes, cold blocking parts, cable connector accessories, hose waterproof connectors and other products. At the same time, Wenzhou Pulte International Trade Co., Ltd., a subsidiary of the company, actively expands the international market and is committed to providing high-quality products and services to global customers, effectively broadening the company's market channels, enhancing market competitiveness, and laying the foundation for expanding the scale of the enterprise. The company has strong technical strength and is jointly established by industry veterans. It has a professional position in the field of cable connector manufacturing. We have a complete quality assurance system and rich design and manufacturing experience. Our products are widely used in various industries and are highly reliable. We provide professional and high-quality cable-supporting products for customers. We believe that there is a product that meets your needs in our complete series of products.
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Industry Knowledge Extension

What Are Shaped Tubes? What Are Their Characteristics?

Shaped tubes are specialized forms of tubing used in electrical, mechanical, and industrial applications to protect, insulate, or guide cables, wires, and other components. Unlike standard cylindrical tubes, shaped tubes are designed with unique cross-sections, bends, or flattened profiles to fit specific installation requirements. Their versatility makes them an essential component in modern wiring and protective systems.

1. Type 1: Rectangular or Flattened Shaped Tubes

Features:

  1. Rectangular cross-section allows close fitting in tight spaces.
  2. Can be used for flat cable arrangements or bundles where round tubing is inefficient.
  3. Provides stable support while space usage.
  4. Applications: Often used in automotive wiring, industrial machinery, and control panels where space is limited.

2. Type 2: Pre-Bent or Custom-Molded Shaped Tubes

Features:

  1. Manufactured with bends or curves to match specific cable routing requirements.
  2. Made from flexible or semi-rigid materials to maintain shape while accommodating movement.
  3. Reduces installation time by eliminating the need for manual bending or shaping on-site.
  4. Applications: Ideal for complex cable runs in aerospace, transportation, or electronic equipment enclosures.

3. Type 3: Multi-Lumen Shaped Tubes

Features:

  1. Contain multiple separate channels (lumens) for organizing multiple cables within a single tube.
  2. Keeps cables isolated to prevent interference, friction, or abrasion.
  3. Available in various cross-sectional profiles to match space and protection requirements.
  4. Applications: Frequently used in telecommunications, industrial automation, and medical devices.

Shaped tubes offer tailored solutions for environments where conventional round tubes cannot fit efficiently or provide the necessary protection. Their main characteristics include customizability, space efficiency, and adaptability for multiple cable arrangements, making them essential for modern electrical and industrial installations.

What Are the Advantages and Limitations of the Soft Heat Shrinkable Tube?

Soft heat shrinkable tubes are widely used in electrical insulation, cable protection, and mechanical stress relief. They are made from thermoplastic materials that shrink when heat is applied, forming a tight seal around wires, cables, or components.

Advantages

Electrical Insulation: Soft heat shrinkable tubes provide insulation for wires, reducing the risk of short circuits and electrical leakage.

Environmental Protection: These tubes protect against moisture, dust, and chemical exposure, extending the lifespan of cables and connectors.

Flexibility and Ease of Use: Their soft material allows easy installation over irregular shapes, bends, or connectors without damaging the underlying components.

Mechanical Stress Relief: By tightly encasing wires and joints, they reduce strain on connections, preventing loosening or wear from vibration or movement.

Versatility: Available in various diameters, colors, and wall thicknesses to accommodate different applications, from household electronics to industrial machinery.

Limitations

Limited Temperature Range: Soft heat shrinkable tubes may not perform well in high-temperature environments, as excessive heat can cause deformation or degradation.

Mechanical Strength: While flexible, they are less resistant to sharp impacts, cuts, or abrasion compared to rigid heat shrink tubes.

Shrinkage Control: Overheating can result in uneven shrinkage or damage to sensitive components inside the tube.

Chemical Resistance: Certain harsh chemicals or solvents can compromise the integrity of soft tubes, limiting their use in highly aggressive industrial environments.

Durability in Harsh Environments: Prolonged exposure to UV, ozone, or humidity may reduce their lifespan compared to specialized rigid or reinforced tubing.

Soft heat shrinkable tubes are highly effective for insulation, protection, and flexibility, but users must consider environmental and mechanical limitations when choosing them for demanding applications. Selecting the right type of heat shrinkable tube ensures both safety and long-term reliability in electrical and industrial systems.