JBF Milky White Polyester Films

JBF Milky White Polyester Films | Electrical & Industrial Insulation Film

JBF Milky White Polyester Films are high-quality PET (Polyethylene Terephthalate) films designed for electrical insulation and industrial applications requiring excellent dielectric strength, mechanical durability, and dimensional stability. These films offer a smooth surface finish, consistent thickness, and reliable performance under thermal and mechanical stress.

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JBF Milky White Polyester Films | Electrical & Industrial Insulation Film

Milky white polyester films are widely used in electrical insulation systems, including motors, transformers, capacitors, cables, and laminated insulation materials. Their low moisture absorption, good chemical resistance, and strong tensile properties ensure long service life and stable insulation performance. The milky white appearance provides improved opacity and uniformity, making them suitable for both functional and aesthetic requirements.

Manufactured under strict quality control, JBF Milky White Polyester Films are compatible with adhesives, resins, and varnishes, making them ideal for lamination, coating, and composite insulation structures used in modern electrical and industrial equipment.

Product Details

Product Name

Milky White Polyester Film

Brand

JBF

Insulation Class

E Class ( 120° )

Material

Polyethylene Terephthalate (PET)

Color

Milky White

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