Nippon Kayaku NK E-cleaner SO C175 flux cleaner

Nippon Kayaku Co., Ltd. · Material properties and interface engineering

Purpose: Check accessible post-assembly flux residues separately from non-wetting or opens in a TCB investigation.
Technical approach: A flux-solubilizing cleaner removes residues; cleaning, rinsing and drying conditions require confirmation for the actual flux and structure.
Scope of use: Consider it for electronic-component flux cleaning. Qualify access, compatibility and remaining contamination in the intended HBM/TCB sample.
Limitations and open questions: These evaluation considerations are compiled by BLNKK from public information. They are not supplier guarantees or a mandatory submission checklist.
Scope and limitations
It does not repair non-wetted joints or establish access to buried interfaces. Conditions for adjacent post-ashing or resist-removal products do not apply to C175.
What to prepare
BLNKK suggests preparing flux, thermal history, gaps, residue locations and exposed metals/polymers. Existing cleaning records, residue images or ionic-contamination results can support comparisons.
Confirm with the supplier
Confirm flux/material/gap suitability and concentration, cleaning, rinse and dry conditions. Agree on residue, corrosion, ionic-contamination and electrical checks.
Public evidence: Nippon Kayaku identifies SO C175 as a flux cleaner, without a published HBM/TCB cleaning window or qualification result.

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