BUTANE

 


Test Item                                 Test Method                               Specification

Sp. Gr,15.6/15.6 Deg.C.          ASTM D 2598                             To be reported
Vapor Pressure                         ASTM D 1267 or D 2598                   Max 70
(psig at 100 deg.F)      
Butane content (vol%)              ASTM D 2163                                    Min 95.0
Volatile residue                         ASTM D 2163                                    Max 2.0
(Pentanc +)(vol%)
Copper corrosion                     ASTM D 1838                                    No. 1 strip
Sulfur content(ppm)                  ASTM D 1266 or D 5453                   Max 80
H2S                                         ASTM D 2420                                    Negative
Free water                               Visual                                                   None