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| Aerosol-grade isobutane
It is used to substitute CFC, its ODP value and GWP value are both zero.
Standard:Q/SHZL 0006-1999
isobutane content:> 97.0%
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| High-purity n-butane
Standard: Q/SHZL 007-1999
Quality index:
Propane or below, (V/V%) <0.05
n-butane: > 99.9%
C5 content, (V/V%) < 0.04
Unsaturated hydrocarbon content, (V/V%):< 0.01
Sulphur PPM: < 1
Properties:
Appearance: co... |
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| n-butane
Item Quality index
Propane above, (V/V) % 0.06
isobutane, (V/V) % : max. 0.79
n-butane (V/V) % min. 97.5
Unsaturated hydrocarbon, (V/V) % : max. 0.1
C5 or below (V/V) %: max. 1.5
Total sulphur mg/m3: max. 1
Res... |
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