4-Toluenesulfonyl chloride is an organic compound with the chemical formula C7H7SO2Cl. It is a white crystalline powder with a pungent odor, insoluble in water, and easily solub...
Oct 28, 2022
Benzenesulfonyl chloride is an organic compound with the chemical formula C6H5ClO2S, which is a colorless and transparent oily liquid. Benzenesulfonyl chloride is a commonly use...
Synthetic resin is a kind of artificially synthesized polymer compound, which is a kind of resin that has or exceeds the inherent characteristics of natural resin. ASTM D883-65T...
Oct 25, 2022
Polymethyl silicone resin is generally a copolymer composed of siloxane chain units such as SiO3/2, CH3SiO3/2, (CH3)3SiO2/2, (CH)SiO1/2. Using raw materials with only two or les...
Opal is a natural hardened silica gel containing 5-10% moisture. Unlike most gemstones, opal is amorphous, and some unstable amorphous structures in opal will change color or ev...
Oct 24, 2022
Amorphous silica refers to the silica that exists in the soil as dehydrated silicic acid gel. Their structural units are connected by 304 tetrahedra, but their arrangement is ir...
Silicon tetrafluoride is an inorganic compound with the chemical formula SiF4. Its molecular structure is that Si atoms form σ bonds with sp3 hybrid orbitals. The molecular shap...
Silicon is a chemical element, the chemical symbol is Si, formerly known as silicon. The atomic number is 14, the relative atomic mass is 28.0855, there are two allotropes of am...
Expansion is when the particles in an object move faster and therefore take up extra space when the object is heated, a phenomenon called expansion. Solids, liquids, and gases a...
Aerogel refers to a nano-scale porous solid material formed by sol-gel method, using a certain drying method to replace the liquid phase in the gel with gas.
Coaxial Cable is a kind of electric wire and signal transmission line, which is generally made of four layers of materials: the innermost is a conductive copper wire, the outsid...
Oct 20, 2022
A shock pulse is a form of shock excitation. A shock pulse is a shock excitation in the form of a sudden rise and fall in the amount of motion or force that occurs within a time...
