Page 225 - Praxair - Specialty Gases and Equipment Reference Guide

Laser Gases and Support

Laser Component and Pre-Mixed Gases

LaserStar gases are available from more than 400 stores
™
in the U.S. and Canada. The minimum gas specifications
shown help ensure optimal laser performance. A certificate
of analysis (COA) can be requested at the time your order
is placed.

Praxair’s Standard Grade Standard Grade Components – Minimum Purity Standards – Specifications
Components and Pre-Mixed Gases Component Purity Trace Oxygen Total
n Offered in steel cylinders Gas Moisture Hydrocarbon
n Produced in all Praxair Specialty Helium 99.997% < 3 ppm < 3 ppm < 1 ppm
Gases laboratories and production Nitrogen 99.999% < 1 ppm < 3 ppm < 0.5 ppm
centers and available from more
than 400 locations in the U.S. and Carbon Dioxide 99.995% < 5 ppm < 5 ppm < 1 ppm
Canada
n Mixtures are prepared using Product Cylinder Style Contents Part Number
component gases with minimum Helium T 291 ft 3 HE 4.7LS-T
specifications as listed in the table.
Nitrogen T 304 ft 3 NI 5.0LS-T
Carbon Dioxide K 50 pounds CD 4.5LS-K

Pre-Mixed CO 2 Laser Resonator Gases

CO 2 N 2 HE CO H 2 Cylinder Content Pressure Part Number
Style psig
1.7% 23.4% 74.9% – – T 278 ft 3 2,640 LS HECDNI6-T
3.14% 31.4% 65.46% – – T 291 ft 3 2,640 LS HECDNI26-T
3.4% 15.6% 81.0% – – T 281 ft 3 2,640 LS HECDNI14-T
4.5% 13.5% 82.0% – – T 281 ft 3 2,640 LS HECDNI1-T
5.0% 55.0% 40.0% – – T 291 ft 3 2,640 LS NICDHE2-T
and Support
5.0% 35.0% 60.0% – – T 291 ft 3 2,640 LS HECD5NI3-T
Laser Gases
5.0% 25.0% 70.0% – – T 291 ft 3 2,640 LS HECD5NI4-T
5.1% 29.1% 65.8% – – AT 291 ft 3 2,640 LS HECD5.1N1Z-T
5.378% 27.0% 67.6% – 218 ppm T 291 ft 3 2,640 LS HEX43-T
5.40% 27.0% 67.6% – – T 291 ft 3 2,640 LS HECDNI7-T
8.0% 60.0% 28.0% 4.0% – T 272 ft 3 2,400 LS NIX41-T

D•224 1-877-PRAXAIR www.praxairdirect.com