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Liquefied Petroleum Gas

Commercial propane, butane and tailored LPG mixtures.

Commercial overview

Contract basis,
clearly defined.

LPG transactions distinguish commercial propane, commercial butane and specified mixtures. Composition, vapor pressure, volatility, residue, corrosiveness and sulfur are aligned with destination law and end use.

Reference basisInternational commercial-transfer matrix
Detailed specification

Quality acceptance matrix

Values are commercial reference points—not an offer or automatic guarantee. Use the current official standard and agreed contract schedule for procurement.

ParameterReference requirementTest method / basis
Product designationCommercial propane / butane / agreed mixtureContract
C3 / C4 compositionMol% by agreed gradeISO 7941 / gas chromatography
Vapor pressureClimate and grade specificISO 4256
Density at 15°CReportedISO 8973 / ASTM D1657
Evaporation residueContract maximumISO 13757 / ASTM D2158
Copper strip corrosionClass 1 maximum typicalISO 6251
Hydrogen sulfideNegative / passISO 8819
Total sulfurDestination and end-use limitASTM D6667 / agreed method
Free waterNoneVisual / dryness test
VolatilityGrade-specific temperature endpointASTM D1837
OdorizationDestination requirement / reportedContract
Motor octane numberAutogas grade specificEN 589 calculation / test
Applications

Where the product is used

  • Residential and commercial energy
  • Industrial heating
  • Petrochemical feedstock
  • Autogas and fleet fuel
Required documents

Transaction file

  • Certificate of composition
  • Certificate of quality
  • Safety data sheet
  • Origin and cargo documents
  • Pressure / temperature and quantity report
Primary reference

Verify the current edition

Standards are revised over time. Procurement must confirm the current edition and destination law.

ISO 9162:2013 ↗
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