0.038mm (38μm) PET Polyester Film – Technical Specifications & Industrial Applications

In-Depth Analysis of Key Technical Parameters for 38μm PET Film

Product Overview:
The 0.038mm (38μm) PET polyester film is a high-performance, high-transparency biaxially oriented film. Manufactured with premium raw materials, it delivers a perfect balance of mechanical strength, thermal stability, and superior electrical insulation. As a professional PET film manufacturer and supplier, JinluFilm ensures reliable quality for diverse industrial applications.

Technical Characteristics (Data for 38μm):

  • Thickness: 38 μm
  • Tensile Strength: MD 217 MPa / TD 238 MPa
  • Elongation at Break: MD 180% / TD 161%
  • Thermal Shrinkage (150°C, 30min): MD 1.2% / TD 0.2%
  • Breakdown Voltage: 10.4 kV
  • Volume Resistivity (at 20°C): 2E+17 Ω·cm
  • Dissipation Factor (at 20°C, 1kHz): 40
  • Coefficient of Friction: μs 0.6 / μd 0.4

Key Properties:

  • Good electrical and mechanical properties
  • Slight roughness for excellent handling properties
  • UL746B·RTI Electrical 105°C / Mechanical 105°C certified

Applications:
This 38μm PET film is widely used in electrical insulation (flyback transformers, choke coils, wire insulation, and cable tape), flexible printed circuits (FPC), membrane switches, die-cut electrical insulation, mold release, adhesive tape, spiral tubes, and more.

Why Choose JinluFilm?
We provide customizable slitting, corona treatment, and optional printing coatings. Our films can also be equipped with PE static protective film to meet your specific production needs. High clarity, outstanding ink adhesion, and reliable performance guaranteed.

Contact us today for a free quote and samples!

0.038mm pet film