Natural copper, also known as lead pulp and box copper, is the ore of the sulfide iron ore mineral pyrite. It is produced in metal veins. The contact zone between sedimentary rock and igneous rock is also found in metamorphic rocks. Distribution of Liaoning, Shanxi, Hebei, Sichuan, Guangdong, Hunan, Hubei, Gansu, Anhui and other places. It can be collected throughout the year, remove impurities after excavation, washed, dried, smashed that is, but rarely used, and more fire or vinegar quenched to the surface was dark brown, luster disappear, crisp degree, grind For crude drugs. The main ingredient is iron disulfide (FeS2), which is flat, spicy, non-toxic, has the effect of dispersing stasis and analgesia, renewing tendons and bones, and is used to treat the symptoms of bruises, sore bones, bone fractures, etc. External application can be deposited. "Ben Cao Jing Shu" contains: "Natural copper is the blood of the blood, and the medicine of the sinews and bones is continued. When the wound is broken, blood stasis and pain are made. Xin Neng's blood is stagnated, and the accumulated gas is broken. And also.†On the market, the ore of chalcopyrite, which is a sulfide-like mineral, is used as natural copper. The main component of this ore is copper iron disulfide (CuFeS2). Please be careful when using it.
Genuine natural copper
Mostly hexagonal, particle size 0.2 to 2.5 cm, with edges, light yellow; strips of green black or brown red, smooth surface, sometimes visible fine texture, opaque, with metallic luster; weight, quality is hard and crisp, easy to Broken, yellow-white section, metallic luster; odorless, odorless, but burning with sulfur gas. It is better to have neat, bright yellow and bright sections with metallic luster.
Counterfeit chalcopyrite
Appearance irregular aggregate block body, surface brass color, easy to weather blue, purple, brown and other mixed patchy color, the middle inclusions are streaked green black, metallic luster, opaque, irregular fracture, brittle , Breakable, slight, and tasteless.
Modern pharmacological studies have shown that natural copper has the effect of promoting fracture healing, containing a large number of trace elements that can be absorbed after deposition and mineralization in the epiphyseal bone, which is conducive to collagen synthesis, increase the activity of lysine oxidase, and enhance the toughness of collagen fibers. The insolubilization of collagen increases the biomechanical strength and promotes new bone formation. At the same time, natural copper has various degrees of anti-fungal effects on many pathogenic fungi. The 1995 edition of the “People's Republic of China Pharmacopoeia†only used pyrite as the source of natural copper minerals. The fake chalcopyrite was not included in the pharmacopoeia and did not possess these effects. Therefore, it cannot be used as a substitute for natural copper medicine.
Globe Valves and angle valves are designed for throttling or regulating flow in commercial and industrial applications. Bronze, cast iron, or cast ductile iron materials. Threaded, flanged, or solder end connections.
Angle valves for use in commercial and industrial applications. Typical services include hot and cold water, HVAC, steam, compressed air, gas and other general utility services.
Vacuum angle valve is used for turn on or shut off the airflow in the vacuum pipeline, the applicable media is air and non-corrosive gases.
It has two structures, one is angle type and another is a 3-way type within an ISO-KF or ISO-F various flange end pre-pump port.
a) Small diameter (≤DN50) valve body are precision investment casting.
b) Large diameter (> DN50) valve body are molding shaped seamless steel or steel plate.
c) Bellows sealed structure can withstand 150ºCtemperature, metal sealed structure can withstand 450ºCtemperature.
d) Can install on any position to control the airflow in the vacuum pipeline, as an on-off valve purpose
Angle Valves, Angle Globe Valves, Brass Angle Valve, Zinc Angle Valve
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