ISOVAL ® TM

ISOVAL ® 11 is in accordance with the following international standards:
IEC 60893 EP GC 203
EP GC 308
NEMA LI 1 G11

Composition

ISOVAL ® TM is prepared from glass fabric impregnated with well known ISOVAL ® epoxy system.  It gives good thermal endurance at elevated temperatures, a very good chemical resistance and a limiting temperature of more than 180°

Application

ISOVAL ® TM is especially used in those areas where good machinability is required. Due to its fine glass fabric ISOVAL ® TM can also be more easily machined than other materials.

Availability
Thickness: 0.1 – 160 mm Thickness tolerances according IEC 60893
Standard sheet size: 2140 + 30/-0 mm x 1040 +30/-0 mm
2140 + 30/-0 mm x 1220 +30/-0 mm
2800 + 30/-0 mm x 1220 +30/-0 mm (up to 130 mm thickness)
3180 + 30/-0 mm x 1040 +30/-0 mm up to 60 mm thickness)
3180 + 30/-0 mm x 1220 +30/-0 mm (up to 60 mm thickness)
Machine parts and cuttings are available on request.
Colour: slight green

 

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Product Description

Values in the table are mean values of our production. Values according to the standards IEC 60893 are guaranteed.

Properties Norm Unit Value
Density ISO 1183 / A g/cm³ approx. 2.0
Flexural strength at 23 °C / 120 °C / 150 °C ISO 178 MPa 400 / 280 / 200
Flexural modulus of elasticity ISO 178 MPa approx. 24000
Impact strength (Charpy) parallel to laminations – with notch ISO 179/3 C kj/m² 50
-without notch 100
Tensile strength ISO 527 MPa 300
Compressive strength perpendicular to laminations ISO 604 MPa 500
Compressive strength parallel to laminations ISO 604 150
Insulation resistance after immersion in water IEC 167 Ohm 5.1010
Electric strength at 90°C in oil perpendicular to laminations (thickness 3mm) IEC 243 kV/mm 13
Breakdown voltage at 90°C in oil parallel to laminations IEC 243 kV 45
Permittivity at 50 Hz and 1 Mhz IEC 250 5.5
Comparative tracking index IEC 112 CTI 180
Thermal endurance IEC 216 T.I. 180
Water absorption (thickness 10 mm) ISO 62 / 1 mg 30

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DISCLAIMER: The technical information contained herein is the result of extensive testing in the manufacturer’s laboratories. In addition any application advice given verbally, in writing or by testing corresponds to the best of our knowledge and belief. Since the use and application of any of our products lies beyond our area of control, it remains the responsibility of the user to verify the product’s suitability for their application.

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