Technical Properties and typical values as per BS 2572 1990

Properties Units NPCON NLP-1 NLP-2/1

NLP-3

XXPC NLP-3/1

    Speci-
fication
Typical Value Speci-
fication
Typical Value Speci-
fication
Typical Value Speci-
fication
Typical Value Speci-
fication
Type Value
Cross breaking strength MPa 130 135 130 145 130 140 85 95 70 8
Water absorption (for 1.6mm) mg Max. 478 150 Max. 478 140 Max. 142 80 Max. 76 60 Max. 43 35-40
Electric strength Edgewise kv - - - - 20 25 25 30 25 32-35
Insulation resistance (mim) M. Ohm 1.0 25 1.0 50 100 200 1000 3000 1000 5000
Shear strength (mim) MPa 75 80 75 90 70 80 60 70 50 55-60
Power factor at 1 MHz   - - - - - - 0.045 0.04 0.045 0.04
Thickness (range) available mm - 0.25 to 38.10 - 0.25 to 38.10 - 0.25 to 38.10 - 0.25 to 38.1 - 0.25 to 10
Punchability* (Typical punching temp. range) 0C - Hot
80-100
  Hot
80-100
  Hot
80-100
  Hot 100-120 - 20-25
Permitivity (at 1 MHz)   - - - - - - Max. 5.7 5.2 5.2 5.0
* Recommended punching upto 1.6 mm
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