Te c h n i c a l c h a r t f o r standard polymers
type
typical physical characteristics
polyurethane
silicon
pvc
epoxi
cell
ref.
Max. Hardbead ness Compre- Recove- Temper. thickness (Shore ssibility ry range colour (mm) (%) (%) ºC A)
low expansion
E-7000
red
0,80
26
40-60
60-80
medium expansion
E-7020
red
1,00
18-22
50-70
50-70
E-7018
red
1,20
15-20
60-80
40-60
E-7031
white
1,00
high expansion
low expansion
base compatibility
Mineral oils, Cellulose, AFM's, Petrols Polyesters 0-120 Hydrocarbons, Polycarbonate, Antifreeze Aramid Fibre Kapton, Average resistance to Metals, etc... -10/+120 solvents
Cellulose, PVC,
E-7007
black
2,00
high expansion
E-7008
black
3,00
compact
E-7039
oxide red
0,40
20-42
60-80
40-60
50-53
20-30
40-60
-40/+60
Copper, etc...
Cellulose, AFM's,
microcellular
E-7063 dark green E-7072
high expansion
E-7066
compact
E-7068
0,60 yellow
25-30
Polyesters
40-60
40-60
40-60
40-60
-60/+200
40
black
0,80
5-7
50-70
dark blue
0,30
72
40-60
Chemical compatibility
-30/+60
Polycarbonate,
Excellent resistance to Petrols Vegetable & Mineral Oils Good resistance to acids and strong bases
Good resistance to mineral oils and greases, acids and
Aramid Fibre
weak bases,
Polyester, Metal,
Oils and
Cellulose, etc
solvents
Notes: 1) There are other polymers that have been developed to adapt to specific requirements 2) The values given on this chart are for guidance only. The final features of the polymers depend upon de design of the gasket and the characteristics of the equipment on which it will be used
Detergents
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