Modified alcohol with high cleaning performance


TOPKLEAN™ EL 20D was specially designed by Inventec to remove flux residues in vacuum systems to provide an environmentally friendly solvent solution without compromising high cleaning performance.

Its performance in solubilizing organic compounds makes it possible to remove flux residues on PCBs after soldering.

TOPKLEAN™ EL 20D is compatible with most materials (metals, glasses, ceramics and plastics) used in electronic assembly; it is also ROHS compliant.

It can also be used as a co-solvent in vapor-phase systems, can be rinsed with PROMOSOLV™ DR1 or PROMOSOLV™ NEO A1.

TOPKLEAN EL 20D is NOT a Greenway product; although fully compliant with safety and environmental regulations, this product does not meet the strict criteria to be labeled as a Greenway product.



  • Good solubility of flux residues
  • Excellent compatibility with pcb, metals, glass, ceramics and many plastics
  • Continuous recycling in equipment for long bath life
  • Limited consumption due to airtight equipment
  • Thermally and chemically stable during use, so no need for an additive
  • Very low toxicity
  • No destructive ozone potential (ODP) and no GWP
  • High flash point
  • Absence of aromatic and halogenated compounds.



The best process depends on factors such as operating conditions, equipment, desired cleaning time, and nature of contaminants.



  • 20 l canister
  • 200 l drum
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