China pet film production companies, polyester film manufacturer-Yuxing Film

Release Film

CY29H White PET Film for Electronic Materials

CY29H White PET Film for Electronic Materials

A white polyester film with excellent mechanical properties, electrical insulation properties, and good shading performance. As a UL certified product, CY29H is mainly used in tape and insulation gasket applications.

UL certified

White PET film

Shading performance

Electronic materials

Electrical insulation

Product Model:

CY29H

Key Highlights

UL certified product

UL certification ensures recognized safety compliance for electronic insulation applications.

Excellent mechanical and insulation properties

Suitable for electronic material applications such as tape and insulation gaskets.

Good shading performance

The white film offers good shading performance for structures requiring optical coverage.

Technology & Advantages

Tapes and insulation gaskets used in electronic materials often require mechanical support, electrical insulation, and shading performance. As a white PET film for electronic materials, CY29H provides a stable white base film option for related structures.

Core Values

Certification support:
UL certified product provides recognized safety compliance and electrical insulation reliability for tape and gasket applications.

Electrical safety:
Provides stable electrical insulation performance for insulation gasket applications, ensuring reliable protection against leakage and breakdown.

Shading performance:
Low transmittance and high reflectivity (80-90%) support optical coverage for electronic material structures.

Applications

Tape

Used in electronic material tape structures.

Electronic insulation gasket

Used in gasket materials requiring mechanical support and electrical insulation.

Shading electronic materials

Suitable for white PET base film applications requiring shading performance.

Technical Specifications

Properties	Unit	Standard	Typical Value
Thickness	μm	GB/T 13542.2-2021	50 / 75 / 100 / 125 / 150 / 188
Thickness Tolerance	%	GB/T 13542.2-2021	±3 / ±3 / ±3 / ±3 / ±3 / ±3
Tensile Strength - MD	MPa	GB/T 13542.2-2021	≥160 / ≥160 / ≥160 / ≥150 / ≥140 / ≥140
Tensile Strength - TD	MPa	GB/T 13542.2-2021	≥170 / ≥180 / ≥170 / ≥160 / ≥160 / ≥160
Elongation at Break - MD	%	GB/T 13542.2-2021	≥100 / ≥100 / ≥100 / ≥110 / ≥110 / ≥110
Elongation at Break - TD	%	GB/T 13542.2-2021	≥80 / ≥90 / ≥90 / ≥90 / ≥90 / ≥90
Heat Shrinkage @150°C, 15min - MD	%	GB/T 13542.2-2021	≤1.5
Heat Shrinkage @150°C, 15min - TD	%	GB/T 13542.2-2021	≤1.0
Wetting Tension	mN/m	GB/T 14216-2008	≥52
Light Transmittance	%	ASTM D1003	20±4 / 15±4 / 10±4 / 9±4 / 8±4 / 6±4
Reflectivity	%	TDS	≥80 / ≥82 / ≥85 / ≥86 / ≥88 / ≥90

Remark: MD refers to machine direction and TD refers to transverse direction. Values for non-recommended nominal thicknesses are obtained by interpolation.