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Material and surface treatment chosen by the manufacturer.
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Material and surface treatment chosen by the manufacturer. |
All parts in chrome steel 1.4301 / AIAI 430 / SS2320. |
All parts in stainless steel 1.4301 / AISI 304 / SS2333. |
All parts in acid resistant steel 1.4436 / AISI 316 / SS2343. |
All parts in acid resistant steel.
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ABA´s material choice is high, Swedish aluzinc. |
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Screw and housing in 1.4436 / AISI 316 / SS2343 and band in higher grade 1.4547 / SS-EN 10 088-1.
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Min.72 hours to red rust*.
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Min. 200 hours to red rust*. |
Min. time to red rust is 500 hours*. |
Min. time to red rust is 500 hours*. |
Min. time to red rust is 2.000 hours*. |
Min. to red rust well over 2.000 hours*.
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Comparable to W1. |
Closest to W2, but as the screw is made of carbon steel and the band is made of chrome steel the time to red rust is lower for W2. |
Comparable to W3. |
Comparable to W4. |
Comparable to W5. |
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* Testing according to SS-ISO 9227 with neutral salt mist spray.