Guideline til valg af gummi

Nedenstående skema fungerer som en vejledning til egenskaberne for de mest anvendte gummikompounds. Derudover samarbejder vi med et europæisk netværk af kompoundere, som specialfremstiller kundetilpassede kompounds efter specifikke ønsker.

RUBBER COMPOUND GUIDELINE
Poor: 1 | Fair: 2 | Good: 3 | Very good: 4 | Excellent: 5

Natural RubberSBREPDMNeoprene CRHypalonNitrile NBRSiliconeHNBRViton FKMFluoro silicone
Hardness range (shA)30-95 40-95 30-85 30-90 40-85 40-100 20-90 50-95 50-95 30-80
Colouring3333333333
Heat resistance (°C)
- Maximum Continuous75°C 85°C 130°C 95°C 130°C 100°C 205°C 125°C 205°C 180°C
- Maximum Peak105°C 115°C 150°C 125°C 160°C 130°C 300°C 160°C 300°C 200°C
Low temperature resistance-60°C -55°C -50°C -40°C -25°C -20°C -60°C -30°C -20°C -60°C
Ozon and Weather resistance1 1 5 4 5 2 5 4 5 5
Oil resistance
- Diesel oil (20°C)1 1 2 5 5 5 5 5 5 5
- Diesel oil (100°C)1 1 1 3 3 3 3 5 150°C 5 150°C 5
- Motor oil (20°C)1 1 1 3 5 5 3 2 5 5
- Motor oil (100°C)1 1 1 2 2 3 2 2 150°C 5 150°C 5
Jet Fuel Resistance (40°C)1 1 1 1 1 2 1 -5 3
Solvent resistance (20°C)
- Alkohol3 3 3 3 3 3 3 5 3 3
- Acetone 2 2 3 2 2 1 2 3 1 1
- Benzene1 1 1 1 1 1 1 2 3 3
Chemical resistance
- Acids2 2 33432353
- Bases3 3 223 22332
Physical strength5333331331
Compression set333 3233333
Tear and Abrasion resistance5333331431
Resilience5344233222
Permeability to gases1211112332
Electrical strength5533315135
Flame resistance1133313133
Water resistance4333433433
Certifikater: