The Tube and Fin are in same material. After rolling process, the outer surface of tube is formed with thread, which makes the finned tube have a higher heat transfer capacity.
It is a new nitrogenous and calcareous fertilizer with characteristics of high efficiency and quickly make-up Nitrogen, applied in greenhouse and large-area farmland. It improves the soil and granulates the soil making it anti-caking.
Gamma-butyrolactone(CAS 96-48-0) we call it GBL for short, also can be called γ-Butyrolactone, is an important organic synthesis intermediatewhich can be used to synthesize 2-pyrrolidone(CAS 616-45-5), N-methyl-2-pyrrolidone(CAS 872-50-4), 2-Acetylbutyrol
Mixed with activated alumina and other binders, potassium permanganate in liquid form could be impregnated in pellets as chemical media to oxidize gaseous contaminants effectively including sulfur dioxide, hydrogen sulfide, nitric oxide, formaldehyde, low
Beta Arbutin Product Name: Beta Arbutin CAS No.: 497-76-7 Molecular weight: 272.25 Molecular formula: C12H16O7 Appearance: White powder Assay (HPLC):99.5% Usage: 1.Arbutin in acidic environment easy decomposition, attention to the system pH value control