My question is when I lube my blaster...I found that the plunger padding(by worker )which is milky translucent in colour but turned abit orange in colour,which I suspect the stains is from the plunger's tube plastic....and I found that the remaining WL.greases(OMW) on the rod do have abit of orange staining...this make me worry is it corrode my plunger? Or mild discoloration is just fine? Thanks
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