Lvbang Chemical绿邦化工
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    Area, Puyang City, Henan Province     河南省濮阳市范县产业集聚区
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Product Catalogue产品目录

Hydrocarbon, refrigerant, cryogenic & industrial gas — one supplier.碳氢、制冷剂、深冷与工业气体——一家供应商。

Browse the full Lvbang catalogue below. Purity grades and packaging can be customized to your spec.浏览绿邦全产品目录，纯度等级与包装可按需定制。

Argon (R740)氩气（R740）

Ar

Argon — colorless and odorless inert gas, widely used in semiconductor, metal processing, welding, scientific research, optical and laser industries.氩气——无色无味的惰性气体，广泛应用于电子半导体、金属加工与焊接、科研与检测、光学与激光等领域。

Chemical Formula化学式Ar
Appearance外观Colorless and odorless inert gas
Hazard Class危险品类别Non-flammable inert gas
Packaging包装40L/47L/50L cylinders, ISO tank on request
Purity Grade纯度等级99.999% high purity grade
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Product Quality Index产品质量指标

Argon Concentration (% v/v)氩气浓度，%(v/v)≥99.999
Hydrogen content (vol fraction, 10⁻⁶)氢含量（体积分数）/10⁻⁶≤0.5
Oxygen content (vol fraction, 10⁻⁶)氧含量（体积分数）/10⁻⁶≤1.5
Nitrogen content (vol fraction, 10⁻⁶)氮含量（体积分数）/10⁻⁶≤4
Methane content (vol fraction, 10⁻⁶)甲烷含量（体积分数）/10⁻⁶≤0.4
Carbon Monoxide content (vol fraction, 10⁻⁶)一氧化碳含量（体积分数）/10⁻⁶≤0.3
Carbon Dioxide content (vol fraction, 10⁻⁶)二氧化碳含量（体积分数）/10⁻⁶≤0.3
Water content (mL/m³)水含量（体积分数）mL/m³≤3

Physical Property物理性质

Component成分Argon氩气
Appearance and Character外观和性状Colorless and odorless inert gas无色无味的惰性气体
Melting Point (℃)熔点(℃)−189.2 ℃
Boiling Point (℃)沸点(℃)−185.9 ℃
Relative Density (water=1)相对密度(水=1)1.4
Relative Vapor Density (air=1)相对蒸气密度(空气=1)1.66
Saturated Vapor Pressure饱和蒸汽压202.64 kPa (-179℃)202.64千帕（-179℃）
Critical Temperature (℃)临界温度(℃)−122.3 ℃
Critical Pressure (MPa)临界压力(MPa)4.86 MPa
Flash Point (℃)闪点(℃)Non-flammable不燃性（不可燃）
Upper Explosion Limit (%v/v)爆炸上限%(v/v)Non-explosive不燃性（不可爆）
Lower Explosion Limit (%v/v)爆炸下限%(v/v)Non-explosive不燃性（不可爆）
Auto-ignition Temperature (℃)自燃温度(℃)Non-flammable不燃性（不可燃）
Solubility溶解度Slightly soluble in water微溶于水

Main Use主要用途

Application用途Widely used in electronics and semiconductors, metal processing and welding, scientific research and testing, optics and lasers.电子半导体、金属加工与焊接、科研与检测、光学与激光等广泛领域。

Packing Specification包装规格

Package包装40L/47L/50L cylinders, ISO tank on request.40L/47L/50L钢瓶，可定制ISO罐。