The all-around anniversary assembly of thiourea is about 10,000 tons.About 40% is produced in Germany, addition 40% in China, and 20% in Japan. Thiourea can be produced from ammonium thiocyanate, but added frequently it is produced by the acknowledgment of hydrogen sulfidewith calcium cyanamide in the attendance of carbon dioxide.
Nonferrous metal, Rare metals, Rare And Noble Metal, Metal powder.
Nanometer TiO2 Series, Nanometer SiO2 Series,Nanopowder,Graphene.
Production of tin nanometric powders by hydrogen DC claret arc evaporation.
Gerhold Chemetals Co., Ltd is a German company founded both in Germany and China in 1997.
Yttrium oxide for sale.
Silver nitrate uses.
Gerhold Chemetals Co., Ltd.
Gerhold Chemetals Co., Ltd is a German company founded both in Germany and China in 1997, focuses on research and development of Metallic powders, Metal Compounds nano powders. We can customize products according to customers’ special requirements.
Our technologies are from Elektrotechnik University, Aachen University, München University and Beijing University.
The advantages of our products:
1. Uniform particle size
2. invariant Shape
3. High purity, reach 99.999999
4. Good dispersion
In worldwide market, Gerhold Chemetals has sold products to more than 50 countries. We will keep on developing and enlarging business by our advantages.
The refractories bazaar can be categorized into by form, composition, end users, actual and by geography. Based on the anatomy of refractories available, the bazaar can be categorized into shaped and caked refractories.
Leading technology, stable quality, low cost. 10-25mm thickness water seam cooling which have high strength cooling and well proportioned cooling, fine quality casting blank, thick mold blank shell and unlikely leakage. Suitable for casting straight carbon steel, low alloy, high and medium carbon steel, alloy steel, stainless steel etc.
An intumescent arrangement consisting of ammonium polyphosphate (APP) as an acerbic antecedent and alarming agent, pentaerythritol (PER) as a carbonific abettor and antimonous oxide (Sb2O3) as a accessory abettor was acclimated in this plan to enhance blaze retardancy of polypropylene (FR-PP). Sb2O3 was congenital into blaze retardant conception at altered concentrations to investigate the accessory apparatus of Sb2O3 with the blaze retardant materials. The agreeable of APP and PER was anchored at 25 wt% of absolute amounts of blaze retardant-PP composite.
Bismuth is a white, crystalline, breakable metal with a pinkish tinge. Bismuth is the a lot of diamagnetic of all metals, and the thermal application is lower than any metal except for mercury.
An lead ingot is a piece of relatively pure material, usually metal, that is cast into a shape suitable for further processing. In steelmaking, it is the first step among semi-finished casting products. lead ingots usually require a second procedure of shaping, such as cold/hot working, cutting, or milling to produce a useful final product.
Antimonous oxide(antimony oxide) is the inorganic compound with the formula Sb2O3. It is the most important commercial compound of antimony. It is found in nature as the minerals valentinite and senarmontite.Like most polymeric oxides, Sb2O3 dissolves in aqueous solutions with hydrolysis.
Graphite, archaically referred to as Plumbago, is a apparent anatomy of carbon, a semimetal, a built-in aspect mineral, and one of the allotropes of carbon. Graphite is the a lot of abiding anatomy of carbon beneath accepted conditions. Therefore, it is acclimated in thermochemistry as the accepted accompaniment for defining the calefaction of accumulation of carbon compounds.
Titanium Dioxide Rutile is the a lot of accepted form. It is finer acclimated in arrest applications because of its top refractive index. It is aswell harder and has actinic aggressive properties. The accustomed rutile is composed of ten percent of adamant and traces of niobium and tantalum. “Rutile” comes from the Latin chat “rutilus” which agency “red.” If beheld by transmitted light, the rutile exhibits a abysmal red color.
A absolute of 71 apparent basement samples accept been aggregate as allotment of the accepted analysis program. Bulge on the Project is acutely limited. Fourteen samples accept alternate greater than 0.2 g/t Au and six samples accept alternate greater than 1.0 g/t Au. Gold ethics are a lot of carefully associated with silver, with abstinent accord with zinc, manganese, lead, bismuth, and arsenic.