Pressboard

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Application:

Insulation in transformers for phase separation

 

Structure:

Very dense, calendered material made of sulphate cellulose, completely free of impurities

 

Temp. Class:

A (105 °C)

Art.-Nr.
Properties:

(better DIN 7733)

Unit of measurement Values Test standard
Conductivity in aqueous solution [nS/cm] 100 DIN 7734
Longitudinal tensile strength [N/mm2] ≥ 80 DIN 7734
Transverse tensile strength [N/mm2] ≥ 55 DIN 7734
Longitudinal elongation [%] ≥ 6 DIN 7734
Transverse elongation [%] ≥ 8 DIN 7734
Dielectric strength [kV/mm] ≥ 10 DIN 7734
Ash content [%] ≤ 2 DIN 7734
Maximum moisture absorption [%] ≤ 8 DIN 7734
Density [g/cm3] 1,20 – 1,30 DIN 7734
linear expansion coefficient [K-1] 5 x 10-6
Thermal conductivity [W/(m * K)] 0,45
Dielectric constant 4,1 – 4,4
Specific volume resistance [Ω * cm] 1014 – 1015
Storage conditions dry room, in original packaging

 

Formats:

1000 x approx. 2100 mm 1000 x approx. 1050 mm 1000 x approx. 700 mm

 

Dimensions:

Item number Thickness [mm] Thickness deviation [mm] Mass per unit area [g/m2]
PS080 * 0,8 ± 0,05 880
PS100 * 1,0 ± 0,07 1100
PS150 * 1,5 ± 0,10 1650
PS200 * 2,0 ± 0,10 2200
PS250 * 2,5 ± 0,12 2750
PS300 * 3,0 ± 0,15 3300
PS350 * 3,5 ± 0,20 3850
PS400 * 4,0 ± 0,20 4400

 

* ex works warehouse, minimum order quantity 30 kg