Keith Payne manufacture and supply nylon gaskets that use high quality materials. Nylon gaskets have, in various formulations, many useful qualities including toughness, resilience, hardness and high melting points,
NYLON 6 is a partially crystalline material which shows great toughness and resilience, which is important under impact loads or at low temperature. NYLON 66 has a higher melting point , better mechanical properties and greater hardness and less water absorption. ( check with price list stockable grade ie 6 or 66
NYLON 6 NYLON 66
COLOUR ;- WHITE WHITE
DUROMETER HARDNESS "D" ;- 77 +-3 deg Shore 83 +- 3 deg shore
TENSILE STRENGTH @ 23 deg C ;- 61-79 Mpa 62-83 Mpa
TENSILE MODULUS @ 23 deg C ;- 2754 Mpa 1733-2744 Mpa
ELONGATION @ 23 deg C ;- 20-200 % 20-200%
FLEXURAL STRENGTH @ 23 deg C ;- 85-91 Mpa 86-97 Mpa
FLEXURAL MODULUS @ 23 deg C ;- no data 1207-2827 Mpa
DEFORMATION UNDER LOAD
24 hrs @ 14 Mpa @ 50 deg C ;- 2.0 -3.5 % 1.0 -3.0 %
WATER ABSORPTION 24hrs @ 23 deg C ;- 2.9 % 0.6 -1.5 %
Saturation A ;- 9.5 % 7.9 %
TEMPERATURE; (MELT) +213 deg C +260 deg C
TEMPERATURE;(short term 10 hr) ;- +140 deg C +160 deg C
TEMPERATURE;(continuous 1000hr) ;- -40 to +80 deg C -40 to +90 deg C
THERMAL CONDUCTIVITY;- 0.24 W/ ( K.m ) 0.24 W/ ( K.m )
FLAME RESISTANCE ;- SELF EXTINGUISHING SELF EXTINGUISHING
COEFFICIENT OF LINEAR THERMAL
EXPANSION TMA (23 - 200 deg C );- 85 x 10-6 /deg C 100 x 10 -6 / deg C
VOLUME RESISTIVITY ;- >10 X12 Ohm .cm >10 x13 Ohm cm
DIELECTRIC STRENGTH ;- >12 KV/mm > 12 KV/mm
RELATIVE PERMITTIVITY 50Hz-10kHz ;- 3.7 3.4 - 4.1
UV RESISTANCE :- Dimensional change Dimensional change
ACIDS - WEAK (pH >3) Mild attack by absrptn Mild attack by absrptn
ACIDS - STRONG (pH <3) Decomposes short time Decomposes short time
ALKALIS - STRONG (pH >11) Dimensional change Dimensional change
CHLORINATED HYDROCARBONS No attack No attack
HOT WATER Dimensional change Dimensional change
SHELF LIFE (Initial storage);- 10 years + 3 10 years +3
WEIGHT M2 @ 3mm ;- 3.42 kg 3.45 kg
NYLON 6 is a partially crystalline material which shows great toughness and resilience, which is important under impact loads or at low temperature. NYLON 66 has a higher melting point , better mechanical properties and greater hardness and less water absorption. ( check with price list stockable grade ie 6 or 66
NYLON 6 NYLON 66
COLOUR ;- WHITE WHITE
DUROMETER HARDNESS "D" ;- 77 +-3 deg Shore 83 +- 3 deg shore
TENSILE STRENGTH @ 23 deg C ;- 61-79 Mpa 62-83 Mpa
TENSILE MODULUS @ 23 deg C ;- 2754 Mpa 1733-2744 Mpa
ELONGATION @ 23 deg C ;- 20-200 % 20-200%
FLEXURAL STRENGTH @ 23 deg C ;- 85-91 Mpa 86-97 Mpa
FLEXURAL MODULUS @ 23 deg C ;- no data 1207-2827 Mpa
DEFORMATION UNDER LOAD
24 hrs @ 14 Mpa @ 50 deg C ;- 2.0 -3.5 % 1.0 -3.0 %
WATER ABSORPTION 24hrs @ 23 deg C ;- 2.9 % 0.6 -1.5 %
Saturation A ;- 9.5 % 7.9 %
TEMPERATURE; (MELT) +213 deg C +260 deg C
TEMPERATURE;(short term 10 hr) ;- +140 deg C +160 deg C
TEMPERATURE;(continuous 1000hr) ;- -40 to +80 deg C -40 to +90 deg C
THERMAL CONDUCTIVITY;- 0.24 W/ ( K.m ) 0.24 W/ ( K.m )
FLAME RESISTANCE ;- SELF EXTINGUISHING SELF EXTINGUISHING
COEFFICIENT OF LINEAR THERMAL
EXPANSION TMA (23 - 200 deg C );- 85 x 10-6 /deg C 100 x 10 -6 / deg C
VOLUME RESISTIVITY ;- >10 X12 Ohm .cm >10 x13 Ohm cm
DIELECTRIC STRENGTH ;- >12 KV/mm > 12 KV/mm
RELATIVE PERMITTIVITY 50Hz-10kHz ;- 3.7 3.4 - 4.1
UV RESISTANCE :- Dimensional change Dimensional change
ACIDS - WEAK (pH >3) Mild attack by absrptn Mild attack by absrptn
ACIDS - STRONG (pH <3) Decomposes short time Decomposes short time
ALKALIS - STRONG (pH >11) Dimensional change Dimensional change
CHLORINATED HYDROCARBONS No attack No attack
HOT WATER Dimensional change Dimensional change
SHELF LIFE (Initial storage);- 10 years + 3 10 years +3
WEIGHT M2 @ 3mm ;- 3.42 kg 3.45 kg