IVM Firma Handlowa

Technical and food grade gases

The specifications below come from our product sheets and the gas producer's specification. A batch certificate is supplied with every delivery.

Food grade carbon dioxide (E 290)

Food grade CO₂ for brewing and the food industry

Liquefied food grade carbon dioxide (food additive E 290), used for carbonation and counter pressure beer dispensing, soft drink carbonation and protective atmospheres. Quality per PN-C-84909:1997, grade N-35.

Identification

Product nameLiquefied carbon dioxide, food grade
Chemical formulaCO₂
CAS number124-38-9
EC number204-696-9
Food additiveE 290
REACH registrationAnnex IV/V, exempt from registration
Quality standardPN-C-84909:1997, grade N-35

Purity and composition

CO₂ contentmin. 99.95 % v/v
Moisture (H₂O)max. 11 ppm v/v
Oxygen (O₂)max. 10 ppm v/v
Carbon monoxide (CO)max. 1 ppm v/v
Nitrogen oxides (NO, NO₂)max. 1 ppm v/v
Volatile hydrocarbons (as CH₄)max. 10 ppm v/v
Total sulphurmax. 0.1 ppm v/v
Organic residues (mineral oils)max. 1.5 ppm v/v
Hydrogen sulphide, phosphine, arsinenot present
Taste and odourslightly acidic taste, no foreign odour

Physical properties

Sublimation point (1 atm)−78.5 °C
Boiling point−56.6 °C
Relative density, liquid (water = 1)0.82
Relative density, gas (air = 1)1.52
Flammabilitynon flammable

Download the product sheet (PDF) ↓

Compressed technical argon

Shielding gas for TIG and MIG welding and technical use

High purity compressed argon, an inert shielding gas used in TIG and MIG welding, in metallurgy and as a protective gas. Quality per PN-C-84920.

Identification

Product nameCompressed argon
Chemical formulaAr
CAS number7440-37-1
EC number231-147-0
REACH registrationAnnex IV/V, exempt from registration
Quality standardPN-C-84920
CLP classificationPress. Gas, H280

Purity and composition

Hydrogen (H₂)0.0001 %
Oxygen (O₂)0.001 %
Nitrogen (N₂)0.003 %
Carbon monoxide (CO)0.0001 %
Methane (CH₄)0.0001 %
Carbon dioxide (CO₂)0.0001 %
Moisture (H₂O)0.0005 %

Physical properties

Melting / freezing point−189 °C
Boiling point−186 °C
Relative density, liquid (water = 1)1.4
Relative density, gas (air = 1)1.38
Flammabilitynon flammable, inert

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Argon 82 % + CO₂ 18 % mixture

Shielding gas for MAG welding, PN-EN ISO 14175: M21

Technical shielding mixture of argon 82 % and carbon dioxide 18 %, for MAG welding of non alloy and low alloy steels. Complies with PN-EN ISO 14175, designation M21. Other Ar/CO₂ ratios (92/8, 90/10, 80/20 and similar) are available to order.

Identification

Product nameAr + CO₂ shielding gas mixture
CompositionArgon 82 % + carbon dioxide 18 %
Classification per PN-EN ISO 14175M21
Argon: CAS / EC7440-37-1 / 231-147-0
Carbon dioxide: CAS / EC124-38-9 / 204-696-9
REACH registrationComponents in Annex IV/V, exempt
CLP classificationPress. Gas, H280

Purity and composition

Argon82 % (nom.)
Carbon dioxide18 % (nom.)
ApplicationMAG welding of non alloy and low alloy steels
Other available ratiosAr/CO₂ 92/8, 90/10, 87/13, 80/20 and others

Physical properties

Physical statecompressed gas
Characternon flammable, chemically inert
Effectasphyxiant in high concentrations, displaces oxygen

Download the product sheet (PDF) ↓

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