Meterials Selection

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Shaft Core
NO. Material Steel Code
1 free cutting steel SUM 22L
SUM 24L
2 medium carbon steel S45C
3 stainless steel SUS303
SUS304
SUS316
4 alloy aluminum  
5 copper  
Rubber
NO. AB. Chemical Name Processing Mode
1

SIR

silicon rubber oil pressure/injecting shaping
2

CR

neoprene
3

NBR

nitrile rubber
4

EPDM

ethylene propylene terpolymer
5

NR

natural rubber
Chemical nickel plated surface treatment
Thickness of Plating Coat:7μm±1μm Meet RoHS standard