Kester Easy Profile EP256No-Clean Electronics Grade Solder Paste Legendary Kester Solder in a convenient Dispense-Pak Saves You Money!This is a35 gram-syringe - includes bonus dispensing tips Kester EP 256is a paste solder developed for high volume SMT reflow soldering. It is a no-clean, air or nitrogen reflowable, solder paste specifically designed for maximum robustness in reflow profiling. EP256 has the widest possible reflow processing window.Residues that remain after soldering are almost colorless, leaving a cosmetically appealing repair. The residue has high electrical resistance and is safe to be left on the assembly after soldering.Features:KesterEP256 no Clean Solder Paste63/37 Tin/Lead,the most common for electronics work Packed as pictured. 8cc syringe contains35 grams of solder paste Kit Includes five 19-gauge dispensing tips (0.033" inside diameter)Stable wetting behavior over a wide range of profiles Excellent solder ability to a wide variety of metallizations No-clean flux formula. The residues don't need to be removed for typical applications Flux residue is non-corrosive and non-conductive Stored in refrigeration until shipment Factory fresh, NOT SURPLUS. Shipped in labeled package with date code. Shelf life 6mos from DOMA few warnings and cautions:For industrial use onlyWe can not offer advice on a specific application. For use by experienced electronics technicians User assumes all risk for application.Any warranties are limited to replacement or refund of product.Always wear safety glasses when working with soldering equipment and materials Always use adequate ventilation when working with soldering equipment and materials Avoid breathing flux fumes emitted during soldering.Flux fumes may cause pulmonary irritation or damage.This product may contain chemicals known to the state of California to cause cancer and/or other reproductive harm.