成人国产一区二区三区精品,夜夜高潮天天爽欧美,精品国产18久久久久久,ww.74成人A片

      N-butane R600 Foreign name: n-butane CAS: 106-97-8 Purity: ≥ 99% Molecular formula: C4H10 UN: 011

Application scope

       N-butane is not only directly used as a fuel, but also as a solvent, refrigerant, and organic synthesis raw material; Used as a foaming agent, cleaning agent, aerosol, insecticide propellant, and also as a high-end lighter gas.
       N-butane is mainly used in organic synthesis and ethylene manufacturing, fuels, solvents, refrigerants, standard gases, calibration gases, smoke ejectors, standard vapor pressure pressure gauges, and ionized particle counters.
package
       118L, 400L, 800L, 926L

       ISO storage tank: 24m3