China China Glass Cloth Tape Substitute for 3M 69 Tape - High Performance Factory Supply for Heat Resistance & Insulation Manufacturers, Suppliers

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Features: This high-performance tape offers exceptional heat resistance from -50℃ to 260℃, making it ideal for a variety of applications. With superior adhesion and strong tear resistance, it is perfect for Class H heat resistance and insulation bonding. Our tape is specifically designed for use in high-temperature environments, such as sandblasting protection and lithium manganese battery applications. As a cost-effective solution, it can easily replace products like 3M-69#/P212/TESA4618.

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Usage: Suitable for insulation and heat resistance in air conditioning appliances, automotive electronics, and digital electronics, this tape is versatile in its application. It is also highly effective in industries such as electroplating, ultra-high temperature painting, and powder coating. Sourced directly from reliable suppliers and manufacturers in China, our factory ensures top quality and performance for all your insulation and heat resistance needs.

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Product Description

Glass cloth adhesive tape is based on high-strength glass fiber cloth and coated with high-temperature resistant silica gel or acrylic adhesive. It has excellent heat resistance, insulation and mechanical strength, and is widely used in manufacturing fields such as electronics, electricity and new energy.
Product Name Model No Film Thickness (mm) Total Thickness (mm) Adhesion to Steel (N/25mm) Tensile Strength (kg/25mm) Heat Resistance (℃) Voltage Resistance (KV) Equivalent
Glass Fabric Tape HY420-1 0.1 0.19 8 380 260 2.5 3M69 / TESA4618
Double-Sided Glass Fabric Tape HY420-2 0.1 0.19 6 380 —
Applications & Industries

High Temperature Insulation & Fixation

  • Insulation wrapping of motor, transformer and coil
  • Interlayer insulation and end fixing of generator and motor windings
  • Insulation, protection and fixation of wire harness for high temperature equipment
  • Insulation coating of high temperature pipeline and high temperature surface

Lithium Battery & New Energy Industry

  • Binding, fixing and insulation of power battery core
  • Battery module internal wiring harness fixation, high temperature area protection
  • High temperature insulation of motor and electronic control system of new energy vehicle
  • Insulation and fixation in energy storage equipment

Electronic Manufacturing & SMT Process

  • Gold finger shielding when PCB passes through tin furnace
  • High temperature shielding and protection during wave soldering and reflow soldering
  • Reinforcement and fixation of FPC flexible circuit board
  • High temperature protection and insulation of electronic components

Household Appliances & Industrial Equipment

  • Internal wiring harness fixation of air conditioners, refrigerators, microwave ovens and other household appliances
  • Insulation and protection of high-temperature appliances such as rice cookers and electric ovens
  • Cable fixation and insulation in high temperature area of industrial equipment
  • Coating of wear-resistant and temperature-resistant parts of mechanical equipment
Frequently Asked Questions
Q What is glass cloth adhesive tape made of?

Glass cloth adhesive tape is manufactured using high-strength glass fiber cloth as the base material, coated with either high-temperature resistant silicone adhesive or acrylic adhesive. This combination delivers outstanding heat resistance, electrical insulation, and mechanical strength.

Q What is the maximum heat resistance temperature of this tape?

Both the HY420-1 and HY420-2 models offer a heat resistance of up to 260°C, making them suitable for demanding high-temperature industrial and electronic applications.

Q What is the difference between HY420-1 and HY420-2?

HY420-1 is a single-sided glass fabric tape with an adhesion to steel of 8 N/25mm, while HY420-2 is a double-sided version with an adhesion of 6 N/25mm. Both share the same film thickness (0.1mm), total thickness (0.19mm), tensile strength (380 kg/25mm), and voltage resistance (2.5 KV).

Q Is this tape suitable for use in the new energy / EV industry?

Yes. Glass cloth adhesive tape is widely used in lithium battery packs and electric vehicles for binding and insulating battery cells, protecting wiring harnesses in high-temperature zones, and providing insulation for motors and electronic control systems.

Q Can this tape be used in SMT and PCB manufacturing processes?

Absolutely. The tape is specifically designed to withstand the thermal demands of SMT processes including wave soldering and reflow soldering. It is used for gold finger shielding, high-temperature masking, and reinforcement of FPC flexible circuit boards.

Q What products is this tape equivalent to?

The HY420-1 glass fabric tape is equivalent to 3M 69 and TESA 4618, which are globally recognized benchmarks for high-performance glass cloth insulation tapes used in industrial and electronic applications.

Related Products

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