Page 119 - Praxair - Specialty Gases and Equipment Reference Guide

Isobutylene

Balance (M)SDS (M)SDS Regulator Page
Gas Range Recommendations
Air 1 - 6000 ppm P-18-0357 Single Stage PRS40023331-CGA E •245
Helium 1 - 5000 ppm P-18-0471 Two Stage PRS40123331-CGA E •244
Nitrogen 1 - 5000 ppm P-18-0472 Line PRS40052001-000 E •246

Balance Concentration CGA Praxair Grades* Cylinder Pressure Contents
Gas Range E N M P C U Style psig ft 3 m 3
Air 0.5 - 5000 ppm 590 • • • AS 2000 146 4.13
(1)
• • • K 2000 215 6.09
L.E.L. 1.8% • • • Q 2000 72 2.04
Helium 0.5 - 5000 ppm 350 • • • AS 2000 135 3.82
(1)
• • • K 2000 199 5.64
• • • Q 2000 67 1.90
Nitrogen 0.5 - 5000 ppm 350 • • • AS 2000 142 4.02
(1)
• • • K 2000 209 5.92
• • • Q 2000 70 1.98
(1) Cylinder pressure and contents will vary proportionately at higher concentrations.
* Key for Praxair Mixture Grades (Refer to page C •92 for complete specification details.)
EPA (E), Primary Master (PM), Certified Master (CM), Primary Standard (P),
Certified Standard (C), Non-Certified Standard (U)

Section C – Mixtures

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