6021BW Half-Foggy Electrical Insulation PET Base Film

Insulation Film

6021BW Half-Foggy Electrical Insulation PET Base Film

A transparent half-foggy PET film with excellent electrical insulation properties, excellent processing performance, and suitable optical properties. It is mainly used in electronic material insulation gaskets and insulated cable applications.

Half-foggy PET

Insulated cable

Insulation gasket

Electrical insulation

Processing performance

Product Model:

6021BW

Key Highlights

Half-foggy optical effect

Haze ranges from 13±4% to 30-45%, enabling stable light diffusion and internal component concealment.

Electrical insulation

Outstanding electrical strength and volume resistivity, making it an ideal electrical insulation polyester film.

Processing performance

Excellent punching and cutting performance as a flexible PET substrate for converting.

Wide thickness range

Standard thicknesses range from 75μm to 350μm to meet diverse industrial requirements.

Technology & Advantages

Electronic insulation gaskets and insulated cable materials require robust electrical safety, processing performance, and suitable optical properties. 6021BW is a high-performance electrical insulation PET base film that offers a unique half-foggy appearance, perfectly suited for related electronic shielding and insulation material applications.

6021BW Half-Foggy Electrical Insulation PET Base Film Technology

Core Values

Optical Fit:
Half-foggy appearance with haze levels from 13±4% to 30-45% provides visual uniformity, light diffusion, and internal component concealment for electronic insulation applications.

Electrical Safety:
High electrical strength (≥55-115 V/μm) and volume resistivity (≥1.0×10¹⁴ Ω·m) ensure reliable anti-leakage and breakdown protection in gasket and cable uses.

Processing Fit:
Excellent punching performance supports clean cutting, precise shaping, and tight tolerance manufacturing for composite substrates and cable components.

Applications

Insulation Gasket

Used extensively in consumer electronics material insulation gasket structures for reliable safety.

Insulated Cable

Acts as a core barrier layer in electrical insulated cable materials.

Technical Specifications

Properties	Unit	Standard	Typical Value
Thickness	μm	GB/T 13542.2-2009	75 / 100 / 125 / 150 / 175 / 188 / 215 / 250 / 300 / 350
Thickness Tolerance	%	GB/T 13542.2-2009	±3 / ±3 / ±3 / ±3 / ±3 / ±4 / ±4 / ±5 / ±5 / ±5
Tensile Strength - MD	MPa	GB/T 13542.2-2009	≥160 / ≥160 / ≥150 / ≥150 / ≥150 / ≥140 / ≥140 / ≥140 / ≥150 / ≥140
Tensile Strength - TD	MPa	GB/T 13542.2-2009	≥170 / ≥170 / ≥170 / ≥160 / ≥160 / ≥160 / ≥150 / ≥150 / ≥140 / ≥130
Elongation at Break - MD	%	GB/T 13542.2-2009	≥110 / ≥110 / ≥110 / ≥120 / ≥120 / ≥120 / ≥120 / ≥130 / ≥130 / ≥140
Elongation at Break - TD	%	GB/T 13542.2-2009	≥90 / ≥90 / ≥90 / ≥90 / ≥90 / ≥100 / ≥100 / ≥90 / ≥100 / ≥100
Heat Shrinkage @150°C, 15min - MD	%	TDS	≤1.2 / ≤1.5
Heat Shrinkage @150°C, 15min - TD	%	TDS	≤0.5
Haze	%	ASTM D1003	13±4 / 18±4 / 22±4 / 25±4 / 28±4 / 30±4 / 34±4 / 30±4 / 30-45 / 30-45
Electrical Strength	V/μm	GB/T 1408.1-2006	≥115 / ≥100 / ≥90 / ≥85 / ≥80 / ≥76 / ≥70 / ≥65 / ≥60 / ≥55
Dissipation Factor (50Hz)	-	GB/T 1409-2006	≤3×10^-3
Relative Permittivity (50Hz)	-	GB/T 1409-2006	2.9-3.4
Volume Resistivity	Ω·m	GB/T 1410-2006	≥1.0×10¹⁴

Remark: MD refers to machine direction and TD refers to transverse direction. Dissipation factor, relative permittivity, and volume resistivity are type inspection items; other items are delivery inspection items.

Packaging & Logistics

Storage Conditions

Store the PET substrate in a clean, dry, and ventilated place to maintain optimal insulation performance.

Storage Environment

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

Pallet

Fumigation-free wooden pallets suitable for global export transportation.

Label Information

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

Slitting Range

Custom 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, volume, and production schedule.

Packaging of 6021BW electrical insulation PET base film rolls

Frequently Asked Questions

Q: What is 6021BW mainly used for?

A: It is mainly used as a high-performance electrical insulation polyester film in electronic material insulation gaskets and insulated cable applications.

Q: What is the optical feature of 6021BW?

A: It is a transparent half-foggy PET base film, providing excellent visual uniformity and component concealment.

Q: What standard thicknesses are available?

A: Standard thicknesses range extensively: 75μm, 100μm, 125μm, 150μm, 175μm, 188μm, 215μm, 250μm, 300μm, and 350μm.

Q: Can other substrate thicknesses be customized?

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

Q: Can samples be provided for testing?

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

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