Liste

technical data

physical properties at 20°CunitVOSHLHT
bulk densityg/cm31.181.181.18
water absorption (96 h)mg/10 cm3454545
mechanical properties    
tensile strengthN/mm2757070
elongation at break%4.54.04.0
bending strengthN/mm2135125125
modulus of elasticityN/mm2330032003000
notched impact strengthkpcm/cm3223
cross-linking nopoorstrong
surface hardnesspencil1H3H3H

thermal properties
    
vicat softening point°C100-105114-118120-122
temp. of dimensional stability°C100100105
continuous operating temperature°C707575
linear coefficient of thermal expansion (0-50°C)K-170 x 10-670 x 10-670 x 10-6
thermal conductivitykcal/mh °C0.190.190.19
deformation temp.°C130-150160-180160-180
fire behaviourUL 94HBHBHB

optical properties
    
refractive indexnD201.4921.4921.492
light transmission (380-780 nm)%929292

electrical properties
    
surface resistanceΩ> 1014> 1014> 1014
volume resistivityΩ101410141014
dielectric strengthkV/mm303030
dielectric loss factor (50 Hz ~) 0.060.060.06
dielectric constant (50 Hz ~) 3.63.63.6
leakage current resistanceKc> 600> 600> 600