Methyl Ethyl Ketone MEC, MEK or Butanone - CAS 78-93-3

Methyl Ethyl Ketone (MEC / MEK) — Butanone — CAS 78-93-3

Powerful solvent for cleaning, epoxy paints, resins and plastics processing

Methyl Ethyl Ketone (MEK or MEC), also known as Butanone — CAS 78-93-3 — is a fast-evaporating organic solvent, widely used in industry for tool cleaning, paint formulation and plastics processing.

Particularly effective at dissolving epoxy, polyester and gelcoat resins, it is a go-to reference in paint and composite workshops.

DESCRIPTION

MEK is a powerful thinner and solvent, recognized for its high dissolving power and rapid evaporation rate.

It is commonly used for:

• Clean tools after application of resins or paints.

• Adjust the viscosity of certain formulations.

• Dissolving polymers such as ABS.

• Clean plastics processing equipment.

Its effectiveness makes it an essential product in demanding industrial environments.

ADVANTAGES

• Excellent solvent power.

• Fast evaporation.

• Effective cleaning of epoxy and polyester resins.

• Dissolution of technical plastics (e.g. ABS).

• Suitable for paint and composite workshops.

• Reference solvent in plastics processing.

FIELDS OF USE

• Industrial paint.

• Epoxy resins.

• Polyester resins.

• Gelcoat.

• Plastics processing.

• Industrial maintenance.

MAIN APPLICATIONS

Cleaning:

• Cleaning tools after application of epoxy paints.

• Cleaning of gelcoat spray equipment.

• Degreasing of technical parts.

Formulation:

• Solvent for resins.

• Viscosity adjustment.

• Polymer dissolution.

Plastics processing:

• ABS processing.

• Mold cleaning.

• Surface preparation.

GENERAL PROPERTIES

• CAS: 78-93-3

• Chemical name: Butanone

• Appearance: Colorless liquid

• Fast evaporation

• Powerful ketone solvent

Detailed technical data available via SDS.

SYNONYMS

• Methyl ethyl ketone

• Ethyl methyl ketone

• MEC

• MEK

• Butanone

• Ethylmethylketone

• Methyl Ethyl Ketone

COMPATIBILITY

• Epoxy resins.

• Polyester resins.

• Gelcoat.

• ABS plastics.

• Technical gums and resins.

Testing recommended before use on sensitive materials.

SAFETY / COMPLIANCE

• For professional use only.

• Flammable product.

• Use in a ventilated area.

• Wear appropriate PPE.

• Consult the safety data sheet (SDS).

APPLICATION METHOD

• Apply using a cloth or by immersion depending on use.

• Do not use on sensitive materials without prior testing.

• Close the container tightly after use.