Safety Data Sheets
Our SDS documents are applicable to all of our packaged gas products unless specifically noted on the document. Our documents are only published in English. We apologize in advance if this is inconvenient for you. View our quality policy.
Hazardous Materials Certificate of Registration can be viewed here.
Leland’s Special Permit for DOT 39 cylinders can be viewed here.
Recycling Empty Steel Cylinders
All of our gas filled cylinder and cartridge products are made from recyclable steel. We urge you to only recycle empty steel cylinders. The cylinder cannot be recycled with any gas pressure remaining.
Identify which kind of cylinder or cartridge you want to recycle: Puncture type or Pushpin valve type
Puncture Type – The small end of the cylinder is the puncture end. If there is a visible hole, it is empty. Please view this video to learn more.
Pushpin Type – Like a car tire valve, the center pin needs to be pressed in to let the gas out. Please view this video to learn more.
Follow these steps to ensure your cylinder is ready to be recycled:
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Let the remaining gas out.
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Recycle with other steel containers such as soup cans.
Download Empty Label here.
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Shelf Life
Crimp Closed Gas Filled Cartridges
Due to the closure method, these have a 4 year shelf life.
Protect from heat over 120°F and less than 32°F.
Welded Closed Gas Filled Cartridges and Cylinders
The welded closure ensures an indefinite shelf life.
Verification of the gas charge may be performed in the field with a scale capable of reading 0.1g. Typically, there is a value marked known as the 'Minimum Gross Weight'. The actual weight should read greater than or equal to the marked weight.
Any gas filled cartridge or cylinder which shows red rust should be removed from service.
Regulators and Pressure Handling Equipment
Guidance for shelf life of these products is application specific as there is a wide variation of environmental factors which may influence the actual result. Best practice is to consult with our engineering team to determine what best suits your application.
Engineering, Science and Technical Documents
Since 1965 Leland has amassed a trove of technical and scientific background documentation relating to gases and gas cartridges and cylinders. To obtain access to these, we hope you will click on the link and create an account. A member of the team will personally get back with you as quickly as possible. If you want to expedite this process, please contact us.
Prop 65, Reach, RoHS and Conflict Mineral Documents
Prop 65 Leland Policy Statement
Conflict Minerals General Information
Conflict Minerals Leland Policy Statement
