Acetylene Gas

We are a renowned Acetylene gas manufacturer and supplier in Angola. This Acetylene sometimes also referred as D A Gas, is a hydrocarbon. It is basically colourless fuel gas and used extensively in industries for metal cutting and brazing applications. Acetylene produces highest known flame temperature when mixed with Oxygen. Commercially it is produced by reaction of Calcium Carbide with water. The Acetylene is highly unstable in nature and needs to be dissolved in a solvent called Acetone or DMF. Because of its highly unstable nature, Acetylene is always stored in Acetylene gas cylinders already saturated with required quantity of solvent. Acetylene cylinders are basically of 2 types, Seamless and Three Parts Welded. Acetylene is sometimes also referred as Dissolved Acetylene because it has to be stored in dissolved state in a solvent.

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Chemical Formula Type Density Molecular Mass Lower Explosive Limit(LEL %) Upper Explosive Limit(UEL %)
C2H2 Flammable
1.1714 g/L stp (0 °C and 101.325 kPa) 26.038 g/mol 2.5 81
Purity % Maximum Impurities
O2+N2+CH4+HC % PH3+NH3
96.0 3.0% 0.2%
99.6 0.38% 10 VPM

Acetylene is available in different purity grades and concentrations to meet the specific requirement of diverse industries. It is a highly flammable gas and needs to be used in a safe manner for better and safe results. High purity acetylene is also used in various lab techniques like Atomic Absorption Spectroscopy. We have in house laboratory equipment’s to check the level of purity as well as various impurities present in it. The main use of acetylene gas is in metal cutting, welding and brazing industry using Oxyacetylene flame. Due to its very high flame temperature, it is used where other fuel gases becomes less effective or fails.

  • As a flame cutter for metal cutting / welding / brazing purpose.
  • As a lighting lamp in mines and caves.
  • As a carburizing agent / hardening agent in steel industry.
  • As a gas in AAS – Atomic Absorption Spectroscopy.
  • Some of the pharmaceuticals industry also uses Acetylene dissolved in DMF.