Polyester Film Slit Widths

Description

Polyester Film is a biaxially oriented film made of polyethylene terephthalate (PET) and characterized by outstanding physical properties. This widely used film displays excellent thermal and electrical characteristics as well as being easy to use.

Technical Info

Property	Thickness	Units	Value		Test Method	Test Conditions
	µm		MD*	TD*
Mechanical
Tensile strength	36-75	N/mm²	210	260	ISO 527-1 and ISO 527-3 Sample type 2	Test speed 100%min.:23°C, 50% r.h.
	100-125		180	230
	190-350		150	200
Elongation at break	36-75	%	150	110	ISO 527-1 and ISO 527-3 Sample type 2	Test speed 100%min.:23°C, 50% r.h.
	100-125		185	120
	190-350		200	140
Youngs’s Modulus	36-75	N/mm²	4000	5200	ISO 527-1 AND ISO 527-3 Sample type 2	Test speed 1%min.:23°C, 50% r.h.
	100-125		4100	4800
	190-350		3600	4300
F5-value (stress to obtain 5% elongation)	36-350	N/mm²	105	105	ISO 527-1 AND ISO 527-3 Sample type 2	Test speed 100%min.:23°C, 50% r.h.
Thermal
Shrinkage	36-190	%	1.0	0.3	DIN 40634	150°C, 15min.
	250-350	%	1.0	1.0
Optical
Haze	36	%	9		ASTM-D 1003-61 method A	Enlarged measurement angle
	50		13
	75		15
	100		18
	125		22
	190		25
	250		28
	350		30
Electrical
Dielectric strength	36/190	kV/mm	510/420 290/150 200/135		DIN 40634 or VDE 0345 in air	23°C, DC 23°C, 50 Hz 150°C, 50 Hz
Dielectric dissipation factor (tano)	36-350	-	0.0020 0.0052 0.0210 0.0060 0.0060 0.0048		DIN 40634 or VDE 0345	23°C, 50 Hz 23°C, 1 kHz 23°C, 1 MHz 23°C, 240 MHz 23°C, 9300 MHz 150°X, 50 Hz
Volume resistivity	36	Ω x cm	Ø 10¹⁷ Ø 10¹¹		DIN 40634 or VDE 0345	23°C, DC 150°C, DC
Surface resistivity	36	Ω	Ø 5 x 10¹⁴		DIN 53482 or VDE 0303/ part 3	23°C, 25% r.h. 23°C, 50% r.h. 150°C, 75% r.h.
Dielectric constant	36-350	-	3.3 3.3 3.2 2.9 2.9 3.6		DIN 40634 or VDE 0345 in air	23°C, 50 Hz, 23°C, 1 kHz 23°C, 1 MHz 23°C, 240 MHz 23°C, 9300 MHz 150°C, 50 Hz

Conductivity of aqueous extract	36-350	µS/cm	2	DIN 40634 or VDE 0345	1kHZ
Water absorption (compared to dry state)	36-350	%	0.5	ASTM-D 570	4 days in water at 23°C
Frigen extract	190	%	0.05	DIN 8944	Cold extraction
Trichloroethylene-extract	190	%	0.2	DIN 8943	Extracted in Soxhalet apparatus for 2h. Boiled down for 15h at 105°C.

Material Data

Product Code	612
Material	Polyethlene terephthalate (PET)
Standard Colour	Haze/Opaque
Dielectric Strength - kV/mm	See technical specification
Tensile Strength- N/mm²	See technical specification

Applications

Films for Industrial applications:

Coating
Laminating
Metallizing
Printing
Release:
Transfer Film
Film for production of cast films
Film for production of GRP-Products D
Decorative Films

Stiffening:

Collar stiffeners
Building insulation
Gloss laminations
Adhesive tapes
Ahdesive films
Insulation taoes
Electrical insulation
Flexible printed circuits
Trasnformers and coils
Reprography
Base for colour printing
Carrier film for flexible printing plaes
Drafting film/engineering

Further applications:

Gaskets and gasket inserts
Membranes
Tapes measures
Soundproofing and thermal insulating in combination with suitable materials
Drum skins
Carrier fil in veneer and furniture presses

Features and Benefits

High mechanical stability.
Temperature stability.
Chemical resistance.
Good separating properties.

Price Matrix

Description	Reel Size (m) approx	weight of reel (kg)	Price 1-4.99 kgs	Price 5-9.99 kgs	Price 10+ kgs
CROYFILM POLYESTER FILM 8MM X 50 MICRON	750	0.44	£7.22	£6.81	£6.41
CROYFILM POLYESTER FILM 10MM X 50 MICRON	800	0.58	£4.80	£4.51	£4.22
CROYFILM POLYESTER FILM 12MM X 50 MICRON	800	0.68	£5.63	£5.29	£4.95
CROYFILM POLYESTER FILM 12MM X 36 MICRON	750	0.68	£10.42	£9.84	£9.26
CROYFILM POLYESTER FILM 15MM X 50 MICRON	750	0.96	£13.48	£12.66	£11.85
CROYFILM POLYESTER FILM 16MM X 50 MICRON	750	0.96	£13.48	£12.66	£11.85
CROYFILM POLYESTER FILM 19MM X 36 MICRON	750	0.8	£12.25	£11.57	£10.89