Transparent Polyester / BOPET Film

Transparent Polyester / BOPET Film | High-Clarity Electrical & Industrial Film

Transparent Polyester Film, commonly known as BOPET (Biaxially Oriented Polyethylene Terephthalate) Film, is a high-performance plastic film offering excellent optical clarity, strong mechanical strength, and reliable electrical insulation properties. Manufactured through biaxial orientation, this film provides superior dimensional stability, uniform thickness, and long-term durability.

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Transparent Polyester / BOPET Film | High-Clarity Electrical & Industrial Film

BOPET film is widely used in electrical insulation, motor and transformer insulation, laminates, flexible packaging, printing, and industrial applications. It exhibits low moisture absorption, good chemical resistance, and high dielectric strength, making it suitable for demanding environments. Its smooth, transparent surface ensures consistent performance in lamination, coating, and converting processes.

Transparent Polyester / BOPET Film is available in a wide range of thicknesses and widths and can be customized to meet specific application requirements. Its versatility, strength, and clarity make it an essential material across electrical, electronics, and industrial manufacturing sectors.

Product Details

Product Name

Transparent Polyester Film / BOPET Film

Brand

JBF

Material

Polyethylene Terephthalate (PET)

Color

Transparent / Clear

Typical Applications

Electrical insulation, motors, transformers, capacitors

End Use Industries

Electrical, electronics, insulation manufacturing

End Use Equipment

High-temperature motors, generators, transformers, EV systems

Supply Form

Rolls, sheets, custom-cut strips

Technical Specifications – JBF Milky White Polyester Film

Property	Unit	Test Method	Minimum	Target	Maximum
General Properties
Thickness	µm	JBF Method	186.20	190.00	193.80
Gauge	Gauge	JBF Method	744.80	760.00	775.20
Yield	m²/kg	JBF Method	3.69	3.76	3.84
Density	g/cm³	ASTM D1505	1.395
Mechanical Properties
Tensile Strength (MD)	kg/cm²	ASTM D882	1600	1800	2000
Tensile Strength (TD)	kg/cm²	ASTM D882	110	150	190
Elongation at Break (MD)	%	ASTM D882	0.8	1.2	1.6
Elongation at Break (TD)	%	ASTM D882	0.0	0.4	0.8
Electrical Properties
Breakdown Voltage	kV	ASTM D149	19.0	20.0	21.0
Optical Properties
Transmittance	%	ASTM D1003	81.0	86.0	91.0
Haze	%	ASTM D1003	65.0	70.0	75.0
Surface Treatment Level	Dyne/cm	ASTM D2578	42	44	46
Thermal Properties
Melting Point	°C	DSC	250	252	255