header
Back to home page Back to Praxair Corporate Site Welding Supplies Specialty Gases and Equipment Back to Cart Praxair Direct Price Quote Button Sign in Register Contact Us Store Locator Home Resource Center

For questions about Praxair products
please call 1-800-PRAXAIR or email us.

Praxair's LaserStar™ Standard Grade
Component and Pre-Mixed Gases

 

 

 

 

Specifications

Component Gas Min. Purity Trace Oxygen Moisture Total Hydrocarbons
Helium 99.997% < 3 ppm

< 3 ppm

< 1 ppm
Nitrogen 99.999% < 1 ppm < 3 ppm < 0.5 ppm
Carbon Dioxide 99.995% < 5 ppm < 5 ppm < 1 ppm

 

Product Cylinder Style Contents Part Number
Helium T
K

291 cft
218 cft

HE 4.7LS-T
HE 4.7LS-K
Nitrogen T
K
304 cft
228 cft
NI 5.0LS-T
NI 5.0LS-K
Carbon Dioxide - CO2 K 50 LB CD 4.5LS-K

 

Composition % H2 Cylinder Style Content Pressure (psig) Part Number
CO2
N2
He CO
1.7% 23.4% 74.9% - - T 278 cft 2,640 LSHECDNI6-T
3.14% 31.4% 65.46% - - T 291 cft 2,640 LSHECDNI26-T
3.4% 15.6% 81.0% - - T 281 cft 2,640 LSHECDNI14-T
4.5% 13.5% 82.0% - - T 281 cft 2,640 LSHECDNI1-T
5.0% 55.0% 40.0% - - T

291 cft

2,640 LSNICDHE2-T
5.0% 35.0% 60.0% - - T

291 cft

2,640 LSNICD5HI3-T
5.0% 25.0% 70.0% - - T

291 cft

2,640 LSNICD5HI4-T
5.378% 27.0% 67.6% - 218 ppm T 291 cft 2,640 LSHEX43-T
5.40% 27.0% 67.6% - - T 291 cft 2,640 LSHECDNI7-T
8.0% 60.0% 28.0% 4.0% - T 272 cft 2,400 LSNIX41-T