
MATERIALE-EGENSKABER

Hvilket materiale skal jeg vælge?
Af tabellen fremgår de vigtigste egenskaber for de gummimaterialer, der benyttes i Betechs standardprogram af foldebælge.
Fysiska och mekaniska egenskaper
Material Property | Chloro sulfonated polyethylene CSM | Nitrile Butadiene Rubber NBR | Chloroprene CR | Molerit T56K | Molerit T59 | Molerit T59FL | Molerit T60F |
Min. Operating Temperature °C | -20 | -25 | -35 | -50 | -33 | -30 | -23 |
Max Operating Temperature °C | 125 | 100 | 100 | 70 | 70 | 70 | 70 |
Weather Resistance | Excellent | Limited | Good | Average | Excellent | Excellent | Excellent |
Ozone Resistance | Excellent | Limited | Good | ||||
Oil Resistance | Average | Excellent | Good | Limited | Average | Average | Good |
Water Resistance | Excellent | Good | Avg./Good | ||||
Chemical Resistance | Good | Average | Average | Excellent | Excellent | ||
Gas Permeability | Excellent | Good | Good | ||||
Abrasion Resistance | Good | Good/Exc. | Good | ||||
Flame Resistance | Good | Limited | Excellent | Excellent | |||
Heat Resistance | Good | Average | Good | Excellent | |||
Low Temperature properties | Average | Good | Good | Excellent | Good | Good | Good |
Tensile Strength | Avg./Good | Good | Good | ||||
Compression Set | Average | Good | Avg./Good |