Problem Understanding
The customer reports the formation of white solid residue on NBR rubber gasket after 4 months of use in the field.
The client wants to determine the cause/nature of such training:
- Residue from the outside?
- Degraded material?
Providing you with the Solution
ANALYSIS BY FT-IR and SEM-EDS AFTER APPROPRIATE SAMPLING
CONTAMINATION -->
The residues determined consist of elements such as
- Sodium (Na), chlorine (Cl) and potassium (K), from the working environment
- Zinc stearate that comes from the rubber compound is likely to migrate the plasticizer from the compound to the surface.
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