Description

CAIG Rosin NO-CLEAN Soldering Flux, Type RSF-R39 – 8g Syringe

Part No. RSF-R39-8G
Precision No-Clean Flux for Electrical Soldering

Overview:
CAIG’s Rosin NO-CLEAN Soldering Flux (RSF-R39) is engineered for precision soldering applications, particularly where post-solder cleaning is not desired or necessary. With its mild activation, this flux offers excellent performance for electrical and electronic soldering, including P.C.B. repair and rework, ensuring high reliability without requiring refrigeration or additional cleaning steps.

Formulation & Use:

• Rosin-based flux with proprietary ingredients
• Designed for precision soldering of electrical connections
• No cleaning required post-soldering, making it ideal for delicate electronic applications

Key Features:

• Mildly Activated: Higher activity than water-white rosin for superior soldering results
• No-Clean Formula: Can be safely left on circuit boards after reflow without cleaning
• Excellent for P.C.B Repair: Ideal for rework and precision soldering tasks
• Nonflammable & Noncorrosive: Safe for use in a variety of electronic applications
• No Refrigeration Necessary: Shelf-stable for up to 12 months

Brief Specifications:

• Appearance: Smooth and tacky amber paste
• Viscosity: Typically 200 – 280 Malcom at 5 rpm @ 25°C
• Tack Strength (per IPC J-STD-004): Meets performance standards
• Halide Content: ROL0, halide-free
• Halogen Content: None intentionally added
• Shelf Life: Nominally 12 months unopened
• IPC SIR J-STD-004B: Pass
• Bellcore SIR: Pass at both 96 and 500 hours

Ideal For:
Precision soldering where a clean finish is essential and post-solder cleaning is not feasible, making it the perfect choice for P.C.B. repairs and electronic applications. For general soldering needs, consider CAIG’s Soldering Flux, TYPE RSF-R80