Rosin-based Flux RMA20
RMA 200 (Rosin Mildly Activated)
RMA200 has been formulated for use in high reliability electronic assembly where pure rosin core does not provide
fast spreading and wetting action; and activated rosin residues may be electronically less reliable. RMA200
conforms to IPC-J-STD-004B specifications
Description
RMA 200 (Rosin Mildly Activated) is a rosin-based flux system designed for high-reliability electronic assembly where pure rosin does not provide sufficient wetting and spreading performance. It offers a balanced level of activation to improve solderability while maintaining good electrical reliability of residues. The formulation complies with IPC-J-STD-004B standards. Integrated into flux-cored solder wire, it ensures consistent flux distribution and stable performance, with typical flux content ranging from 1.1% to 3.3% for high-temperature lead-free SAC alloys.
Applications
- Hand soldering and general electronic assembly using rosin-based flux-cored solder wire (e.g., SAC alloys)
- Applications requiring improved wetting and solder spread compared to pure rosin core
- Soldering of oxidized or difficult-to-solder metals requiring higher flux activity
- Electronics manufacturing, SMT & PCBA assembly, and rework processes
- Applications requiring compliance with IPC-J-STD-004B flux classifications (ROL0 / ROM1 / ROH1)
- Assembly and rework processes where residue removal is optional depending on flux activity
- High-reliability electronic applications requiring balanced solderability and electrical performance
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