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Gas & LPG Products

LPG — Propane / Butane 50:50

Liquefied Petroleum Gas

LPG — Propane / Butane 50:50

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LPG — Propane / Butane 50:50

Petro Stellar supplies high quality LPG (Propane/Butane 50:50) in accordance with international standards ASTM D1835-22 and ISO 9162:2013. Our LPG is widely used for domestic, commercial, industrial and petrochemical applications.

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Global Supply

Sourced from reputable producers with a reliable and flexible supply chain.

Premium Quality

Meets international standards with strict quality and safety control.

Clean Energy

Low emissions, high calorific value and environmentally friendly.

Applications

  • Cooking, heating and hot water
  • Industrial boilers and furnaces
  • Power generation
  • Petrochemical feedstock
  • Forklifts and industrial vehicles
  • Aerosol propellants and refrigerants
  • Agricultural and commercial use

Key Benefits

  • High calorific value and clean burning
  • Low emissions and environmentally friendly fuel
  • Efficient, versatile and easy to handle as a liquid
  • Reliable supply and consistent quality
  • Cost-effective energy solution

Typical Specifications & Test Methods — ASTM D1835-22 (Propane / Butane 50:50)

PropertyUnitASTM D1835-22 Requirements (Commercial PB Mixture)Method (ASTM / ISO)
Composition (Nominal)% molPropane: 50% / Butane: 50% (Nominal)ASTM D2163 / ISO 7941
Vapor Pressure @ 37.8 °C (100 °F)kPa (abs)Max. 1435 (see Note 1)ASTM D1267 / ISO 4256
Vapor Pressure @ 20 °C (68 °F)kPa (abs)InformationalASTM D1267 / ISO 4256
Density @ 15 °C (60 °F) — Relative Densitykg/m³Report (see Note 2)ASTM D4052 / ISO 3993
Total Sulfur (Odorized LPG)mg/kgMax. 140ASTM D6667 / ISO 21176
Hydrogen Sulfide (H₂S)mg/kgShall PassASTM D2420 / ISO 6976
Mercaptan Sulfur (Odorized LPG)mg/kgReportASTM D3227 / ISO 3014
Non-volatile Mattermg/kgMax. 30ASTM D2158 / ISO 6246
Evaporation ResiduemL/100 mLMax. 0.05ASTM D2158 / ISO 6246
Copper Strip Corrosion (1 h @ 40 °C)RatingMax. No. 1ASTM D1838 / ISO 6251
Water Contentmg/kgMax. 50ASTM D2713 / ISO 12937
Oil Contentmg/kgMax. 20ASTM D2158 / ISO 6246
Odor-Distinctly OdorizedASTM D1835 / ISO 9162
Heating Value (Gross)MJ/kgInformationalASTM D240 / ISO 6976
Heating Value (Net)MJ/kgInformationalASTM D240 / ISO 6976
Cylinder Pressure (Liquid Withdrawal)kPaTypically 550 – 860ASTM D1267 / ISO 4256
Appearance-Bright and clear, free from visible impuritiesVisual
⚠ The maximum Vapor Pressure limits shall be in accordance with Table 2 of ASTM D1835-22 and vary with composition. Relative Density and Density are informational only. Odorized LPG shall contain odorant as required by local regulations.

Supply & Logistics

  • Available in bulk (LPG Vessels, Pressurized Tanks, ISO Tanks, Rail Tankers and Road Tankers).
  • Standard packing: ISO Tanks, Drums (200 L) on request.
  • Global supply network with reliable partners and flexible logistics solutions.

Standards & Compliance

  • ASTM D1835-22 — Standard Specification for Liquefied Petroleum (LP) Gases.
  • ISO 9162:2013 — Liquefied petroleum gases — Commercial propane and commercial butane.
  • Latest editions apply.

Quality Assurance

  • Produced under strict quality management systems.
  • All shipments are accompanied by a Certificate of Analysis (COA).
  • Third-party inspection available upon request (SGS, Intertek, Bureau Veritas, etc.).

Storage & Handling

  • Store in pressurized vessels or tanks in well-ventilated areas.
  • Keep away from heat, sparks, open flames and direct sunlight.
  • Use compatible materials for seals, gaskets and connections.
  • Regular inspection of equipment and safety valves is recommended.