According to FTIR test to compare white residue on contacts
S101 , S103 with compressor oil, spring robot oil , welder oil.
SGS lab in Thailand already try to test FTIR. ( 15 Aug 2013)
They confirmed us today morning that they cannot support us
FTIR test.
The reason is that white residue is very small and very
thin. Then, FTIR machine cannot detect it.