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

Release Film

CY20RM PET Film for Release & Protective Film

Transparent polyester film with high light transmittance, good appearance quality, and good surface flatness, mainly used for release liner, protective film, and other fields requiring high transparency and appearance quality.

Release liner

Protective film

Surface flatness

High transparency

Consumer electronics

Product Model:

CY20RM

Key Highlights

High-end release film

Produced under high cleanliness for premium release liner applications.

High light transmittance, good appearance quality

High transmittance (≥86-89%) with excellent surface quality for optical clarity.

Customization support

Other thicknesses can be customized according to customer requirements.

Technology & Advantages

CY20RM is produced under higher cleanliness requirements, with controlled surface appearance, light transmittance, and flatness to meet the needs of high-end release film applications.

Core Values

Application fit:
Mainly used for release liner, protective film, and related fields. Suitable for applications requiring high transparency and good appearance quality.

Core performance:
High light transmittance (≥86-89%), good appearance quality, and good surface flatness. Ensures reliable performance for high-end release and protection applications.

Thickness options:
Standard thicknesses are 50μm, 75μm, 100μm, 125μm, 150μm, 175μm, 188μm, and 250μm. Other thicknesses can be customized per customer requirements.

Applications

Release film

Mainly used in high-end release film

Protection、protective film

Used as protective film for various electronic products

Metallized Film Substrate

Used as a base film for metallized film applications

Technical Specifications

Properties	Unit	Standard	Typical Value
Thickness	μm	GB/T 13542.2-2009	50 / 75 / 100 / 125 / 150 / 175 / 188 / 250
Thickness Tolerance	%	GB/T 13542.2-2009	±3 / ±3 / ±3 / ±3 / ±3 / ±4 / ±4 / ±5
Tensile Strength - MD	MPa	GB/T 13542.2-2009	≥160 / ≥160 / ≥155 / ≥155 / ≥155 / ≥150 / ≥140 / ≥140
Tensile Strength - TD	MPa	GB/T 13542.2-2009	≥180 / ≥170 / ≥160 / ≥160 / ≥160 / ≥160 / ≥160 / ≥150
Elongation at Break - MD	%	GB/T 13542.2-2009	≥110 / ≥110 / ≥110 / ≥110 / ≥120 / ≥120 / ≥120 / ≥130
Elongation at Break - TD	%	GB/T 13542.2-2009	≥85 / ≥85 / ≥90 / ≥90 / ≥90 / ≥90 / ≥100 / ≥100
Heat Shrinkage @150°C, 15min - MD	%	TDS	≤1.5
Heat Shrinkage @150°C, 15min - TD	%	TDS	≤0.3
Light Transmittance	%	ASTM D1003	≥89 / ≥89 / ≥88 / ≥88 / ≥88 / ≥87 / ≥87 / ≥86
Haze	%	ASTM D1003	≤2.5 / ≤2.8 / ≤3.0 / ≤3.3 / ≤3.5 / ≤3.5 / ≤3.5 / ≤4.0
Wetting Tension	mN/m	GB/T 14216-2008	≥52
Volume Resistivity	Ω·m	GB/T 1410-2006	≥1.0×10¹⁴
Frictional Coefficient	-	GB/T 10006-1988	Accumulated data
Surface Roughness	μm	GB/T 13542.2-2009	Accumulated data

Remark: Parameters above are from the TDS. MD refers to machine direction and TD refers to transverse direction; where the TDS specifies type inspection or delivery inspection items, the original TDS shall prevail.