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

Diffusion Base Film

CY20SH Single surface coated PET film

Single surface coated transparent polyester film, easy to adhere, very good re-coating property, mainly used as precoating basilar film for brightness enhancement film, diffusion film, hardening film, IMD, printing and so on which has higher requirement of the adhesive force. Standard thickness: 100μm, 125μm, 188μm and 250um. Other thickness can be customized according to customer's specific requirement.

Optical pre-coated base film

Single-side coated

Easy adhesion

Recoating

Adhesion

Product Model:

CY20SH

Key Highlights

In-line Coating

Single-side in-line coating ensures consistent coating quality and process efficiency.

High adhesion

Achieves 5B rating for strong bonding with ink, hard coating, and matte layers.

Technology & Advantages

CY20SH improves adhesion through in-line single-side coating.

Core Values

Application focus:
Mainly used as precoating basilar film for brightness enhancement film, diffusion film, hardening film, IMD, printing and so on which has higher requirement of the adhesive force.

In-line coating:
Single-side pre-coating applied through in-line process. Provides consistent coating quality and reliable surface properties for downstream processing.

Adhesion:
Provides high adhesion (5B rating) to ink, hard coating, and matte layers after single-side coating. Ensures reliable bonding for brightness enhancement, diffusion, hard coating, and IMD applications.

Applications

Brightness enhancement

Brightness enhancement film

Diffusion

Diffusion film

Hardening

Hardening film

IMD printing

IMD, printing and so on which has higher Irequirement of the adhesive force.

Technical Specifications

Property	Property	Property	Unit	Index	Index	Index	Index	Test method
Thickness	Thickness	Thickness	μm	100	125	188	250	Test method
Tensile strength	Tensile strength	MD	MPa	160	160	155	150	GB/T 13542.2-2021
Tensile strength	Tensile strength	TD	MPa	170	170	160	150	GB/T 13542.2-2021
Elongation at break	Elongation at break	MD	%	110	110	110	120	GB/T 13542.2-2021
Elongation at break	Elongation at break	TD	%	90	90	90	100	GB/T 13542.2-2021
Heat shrinkage (150℃, 30min)	Heat shrinkage (150℃, 30min)	MD	%	1.5	1.5	1.5	1.5	GB/T 13542.2-2021
Heat shrinkage (150℃, 30min)	Heat shrinkage (150℃, 30min)	TD	%	0.5	0.5	0.5	0.5	GB/T 13542.2-2021
Light transmittance	Light transmittance	Light transmittance	%	91	91	91	91	GB/T 2410--2008
Haze	Haze	Haze	%	2.5	3.0	3.5	4.5	GB/T 2410--2008
Adhesion	Adhesion	Adhesion	---	5B	5B	5B	5B	GB/T 9286-1998
Surface tension	Corona surface	Corona surface	mN/m	52	52	52	52	GB/T 14216-2008
Surface tension	Coated surface	Coated surface	mN/m	56	56	56	56	GB/T 14216-2008
Note: ① MD = Machine Direction; TD = Transverse Direction. / ② All items are subject to factory inspection. / ③ The values above are typical, not guaranteed.

Remark: The parameter table is from the original TDS. MD refers to machine direction and TD refers to transverse direction; inspection type and typical value notes follow the original TDS.

Packaging & Logistics

Storage Conditions

Store the product in a clean, dry, and ventilated place.

Storage Environment

Keep away from fire, heating sources, and direct sunlight.

Pallet

Fumigation-free wooden pallets suitable for export transportation.

Label Information

Each roll label includes model, batch number, thickness, width, net weight, and production date for traceability.

Slitting Range

Different slit widths can be supplied according to customer laminating equipment and production requirements.

Supply Note

Regular specifications support batch supply. Lead time depends on order specifications, quantity, and production schedule.

Frequently Asked Questions

Q: What is CY20SH mainly used for?

A: Single surface coated transparent polyester film, easy to adhere, very good re-coating property, mainly used as precoating basilar film for brightness enhancement film, diffusion film, hardening film, IMD, printing and so on which has higher requirement of the adhesive force.

Q: Can other thicknesses be customized?

A: Yes. Other thicknesses can be customized according to the customer's specific requirements.

Q: Can samples be provided for testing?

A: Yes, samples or small rolls can be provided according to project requirements for lamination, laminating and performance validation tests.

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