Precautions for import and export commodity inspection and air forward trucking

In international trade, the indirect and local inspection of import and export commodities is closely related to the vital interests of buyers and sellers, as it involves inspection rights, inspection agencies and related claims.…

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Precautions during use of superplasticizer additive

After the pce superplasticizer is added to the cement, the sodium aluminate and sodium carbonate in its main components react rapidly with the gypsum in the cement to form sodium sulfate in the alkaline solution, so that the gypsum loses its original…

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Construction Precautions for Foam Lightweight Soil

The filling elevation of the foam light soil with different strengths shall be constructed in strict accordance with the design requirements. The anti-seepage geomembrane on the top of the foam light soil subgrade shall be laid under the metal mesh,…

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Precautions for the use of concrete foaming agent

Cement foaming agent is called foamed concrete foaming agent. It refers to an admixture that can reduce the surface tension of liquid and produce a large amount of uniform and stable foam. It is an admixture used to produce foamed concrete and can pr…

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Precautions for the use of the 24040 bearing and how to maintain the bearing to extend its service life

How to judge the 24040 bearing failure A sound meter is used to check the size and sound quality of the rolling sound of the 24040 bearing in operation. Even if the bearing is slightly damaged such as peeling, abnormal and irregular sounds will be em…

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What is monocrystalline silicon?

Recently, covid 19 outbreak spreads in Shanghai, China. There are more than 25,000 new asymptomatic domestic infections every day. China is implementing a dynamic zero-out policy. A leading respiratory expert said the key to COVID-19 prevention and c…

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Sodium-Thiosulfate-Na2S2O3

Inorganic substances with chemical formulas of Na2S2O3*5H2O include sodium thiosulfate, pentahydrate and potassium thiosulfate.Sodium Thiosulfate Na2S2O2 has a colorless monoclinic Crystal, is odorless and has cool and bitter tastes. Description…

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High Purity Tin Oxide SnO2 powder CAS 18282-10-5,99.9%

Tin oxide has the chemical formula SnO2. It is white, yellow, or light gray, hexagonal, hexagonal, or rhombic crystal dust. This is an excellent transparent conductor material. Purity: 99.9%Particle Size: 50nm Tin Oxide SnO2 Powder Performance:…

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High Purity Germanium Sulfide GeS2 Powder CAS 12025-34-2, 99.99%

High Purity Molybdenum Boride MoB2 Powder CAS 12006-99-4, 99%

Metal Alloy 8.92g/Cm3 High Purity Polished Copper Plate

Metal Alloy 18.5g/cm3 Polished Tungsten Heavy Alloy Plate

High Purity Nano Hafnium Hf powder CAS 7440-58-6, 99%

Metal Alloy 18g/cm3 High Density Tungsten Alloy Ball

Metal Alloy High Density Tungsten Alloy Rod Grind Surface Tungsten Alloy Bar

High Purity Tungsten Silicide WSi2 Powder CAS 12039-88-2, 99%

High Purity Zirconium Nitride ZrN Powder CAS 25658-42-8, 99.5%

High Purity Titanium Sulfide TiS2 Powder CAS 2039-13-3, 99.99%

High Purity Nano Ag Silver powder cas 7440-22-4, 99%

High Purity 3D Printing Powder 15-5 Stainless Steel Powder

High Purity Calcium Nitride Ca3N2 Powder CAS 12013-82-0, 99.5%

High Purity Chromium Diboride CrB2 Powder CAS 12007-16-8, 99%

High Purity Silicon Sulfide SiS2 Powder CAS 13759-10-9, 99.99%

Supply Magnesium Granules Mg Granules 99.95%

Chromium Sulfide Cr2S3 Powder CAS 12018-22-3, 99.99%

High Purity 3D Printing 304 Stainless Steel Powder

High Purity Colloidal Silver Nano Silver Solution CAS 7440-22-4

High Purity Tungsten Boride WB2 Powder CAS 12007-09-9, 99%