Heat Resistant PET Film Release Liner | Protective Film Base manufacturer-Yuxing Film

Release Film

CY20RH PET Film for Release & Protective Film

CY20RH Heat Resistant PET Film for Release Liner & Protective Film

Transparent polyester film with high light transmittance, good appearance quality, and good surface flatness, mainly used in high-end release film, protective film, optical tape, and related fields.

Optical tape

Protective film

Surface flatness

High transmittance

High-end release film

Product Model:

CY20RH

Key Highlights

High-end release film

Produced under high cleanliness for premium release liner applications.

High light transmittance, good appearance quality.

High transmittance (88.6-89.3%) with excellent surface quality and clarity.

Technology & Advantages

CY20RH 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 in high-end release film, protective film, optical tape, and related fields. Suitable for applications requiring high transparency and surface quality.

Surface Appearance:
High cleanliness and good surface flatness. Produced under strict cleanliness requirements to ensure defect-free surfaces for premium applications.

High Light Transmittance:
High light transmittance above 88% with excellent optical clarity. Supports applications requiring superior visual quality and light transmission.

Applications

Release film

Mainly used in high-end release film

Protection、protective film

Used as protective film for various electronic products

Optical Tape

Used as a base film for optical adhesive tapes and related optical bonding applications.

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
Tensile Strength - MD	MPa	GB/T 13542.2-2009	180 / 180 / 179 / 172 / 169 / 167 / 165 / 160
Tensile Strength - TD	MPa	GB/T 13542.2-2009	211 / 207 / 203 / 201 / 200 / 198 / 196 / 190
Elongation at Break - MD	%	GB/T 13542.2-2009	150 / 152 / 155 / 160 / 163 / 168 / 170 / 173
Elongation at Break - TD	%	GB/T 13542.2-2009	105 / 107 / 110 / 110 / 112 / 115 / 118 / 120
Heat Shrinkage @150°C, 30min - MD	%	GB/T 13542.2-2009	1.19 / 1.12 / 1.11 / 1.9 / 1.08 / 1.08 / 1.08 / 1.06
Heat Shrinkage @150°C, 30min - TD	%	GB/T 13542.2-2009	0.13 / 0.13 / 0.12 / 0.12 / 0.11 / 0.11 / 0.11 / 0.10
Light Transmittance	%	ASTM D1003	89.3 / 89.3 / 89.0 / 88.9 / 88.9 / 88.7 / 88.6 / 88.6
Haze	%	ASTM D1003	2.39 / 2.57 / 2.78 / 2.80 / 2.89 / 2.90 / 3.14 / 3.36
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.