Chemicals & Plastics

Name: 2-bromo-4-chloropropiophenone Synonyms:

Name: 2-Bromo-1-Phenyl-Pentan-1-One Synonyms:

Minimum Order: 1 bags

Name: 2-iodo-1-p-tolyl-propan-1-one Synonyms:

Minimum Order: 1 bags

Name: 2-bromo-3-methylpropiophenone Synonyms:

Minimum Order: 1 bags

1. Product introduction: The appearance of the PFA Erlenmeyer flask is in the shape of a flat-bottomed cone, wide at the bottom and narrow at the top. It has a cylindrical neck and an opening wider than the neck at the top, which can be closed with a stopper. PFA Erlenmeyer flask is also called PFA reaction flask, , PFA Olenmayer flask, etc. It is a metal-free fluororesin Erlenmeyer flask with excellent chemical resistance and heat resistance. Suitable for micro analysis, trace analysis, ultra-trace analysis ICP-MS/OES/AAS analysis and other experiments. 2. Technical parameters Product name: PFA Erlenmeyer flask Specifications (ml): 125/250/500ml Material: PFA Withstand temperature: -200~+260℃ 3. Product characteristics A. High temperature resistance: operating temperature reaches 260°C; B. Low temperature resistance: It has good mechanical toughness; even if the temperature drops to -196°C, it can maintain an elongation of 5%; C. Corrosion resistance: It is inert to most chemical solvents, resistant to acids and alkali, water and various organic solvents; D. Aging resistance: has the best aging life among plastics; E. High lubrication: It is a solid material with a low friction coefficient; F. Non-adhesion: It is the smaller surface tension in solid materials; G. There are two options: threaded port and sealing plug. 4. Purpose: It has a large specific gravity and good heat resistance, so it can be heated in a water bath or oil bath. It can be equipped with a shaker oscillator for experiments. 5. Our PFA series products: Sample storage bottles, washing bottles, volumetric flasks, measuring cups, beakers, digestion tubes, sample dissolving tanks, micro columns, crucibles, valves, joints, delivery pipes and other products.

Minimum Order: 3 bushels

PFA, also known as soluble polytetrafluoroethylene or Teflon, is used for trace analysis, isotope detection, ICP-MS/OES/AAS analysis, and other experiments. The temperature resistance range of PFA bottle washing is very wide, and it can withstand temperatures from -200 ℃ to+260 ℃, which means it can be used under various experimental conditions without being limited by temperature. The PFA bottle washing tube and body are reliably sealed, with sensitive spraying performance, fast recovery, and no residue left. It can be sprayed into various container positions, making cleaning very convenient. Therefore, using PFA bottle washing can make experiments more convenient. In addition, the nozzle and cap of PFA bottle washing are formed in one go, and its structure is very tight, so there will be no leakage. This is crucial for the accuracy of the experiment. PFA bottle washing can also replace volumetric flasks to prepare standard solutions, which can be controlled to add samples and water dropwise. This means that using PFA bottle washing can conduct experiments more accurately and reduce errors. Suitable for industries such as semiconductors, photovoltaics, biopharmaceuticals, and petrochemicals.

Minimum Order: 3 bushels

Product Name:1,3-Dioxolane, 2-(1-bromoethyl)-2-(4-methylphenyl) Synonyms:2- , (1-bromoethyl)-2-(p-tolyl)-1,3-dioxolane CAS:91 , 306-36-4 MF:C12H15BrO2 M:271.154 Appearan , ce:yellow liquid Molecular Formula C12H15BrO2 Boiling point 273℃ density 1.357 Flash Point 59℃ Melting Point 75-77℃ Storage Temperature cool and dry

Minimum Order: 1 bags

Name PMK ethyl glycidate Synonyms NEW PMK POWDER PMK ethyl glycidate 3,4-MDP-2P ethyl ester 3,4-MDP-2-P intermediate cheap 3,4-MDP-2P ethyl ester 3-(1,3-benzodioxol-5-yl)-2-Methyl- eth , yl 3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxy , late ethyl 3-(benzo[d][1,3]dioxol-5-yl)-2-methyloxirane-2-car , boxylate 2-Oxiranecarboxylicacid, 3-(1,3-benzodioxol-5-yl)-2-Methyl-, ethyl ester PMK CAS:28578-16-7 EINECS 234-232-0 Molecular Formula C13H14O5 Molar Mass 250.25 Density 1.302±0.06 g/cm3(Predicted) Boling Point 327.8±42.0 °C(Predicted)

Minimum Order: 1 bags

Product Name:1,3-Dioxolane, 2-(1-bromoethyl)-2-(4-methylphenyl) Synonyms:2- , (1-bromoethyl)-2-(p-tolyl)-1,3-dioxolane CAS:91 , 306-36-4 MF:C12H15BrO2 M:271.154 Appearan , ce:yellow liquid Molecular Formula C12H15BrO2 Boiling point 273℃ density 1.357 Flash Point 59℃ Melting Point 75-77℃ Storage Temperature cool and dry

Minimum Order: 1 bags

What is Colloidal Silica/ Silica Sol? Colloidal silica is a dispersion of amorphous silicon dioxide (silica) particles in water. These amorphous silica particles are produced by polymerizing silica nuclei from silicate solutions under alkaline conditions to form nanometer sized silica sols with high surface area. A charge is then induced on the silica nanoparticle surface that allows the silica particles to repel one another and form a stable dispersion, or colloid. Colloidal Silica Characters: Colloidal silicas are produced in a variety of grades that range in a number of factors. Particle size typically varies from 5nm to 40nm, and particle size distribution can vary from narrow to wide depending on the manufacturing process. Standard colloidal silica is stable at a pH from 8 - 10.5 and carries an anionic surface charge that is stabilized with sodium or ammonium. In certain grades, some of the silicon atoms in the silica particle are replaced with aluminate ions to allow for enhanced stability in a wider pH range, usually 3.5 - 10.5. Colloidal Silica Application: Densification of concrete, cement, and other materials. Fine retention in paper manufacturing. Enhanced bonding of waterborne adhesives. Improved surface friction and anti-slip properties. Wastewater filtration flocculant. Investment casting binding. Anti-soilant textile coatings.

N-METHYL PYRROLIDONE (NMP SOLVENT) (NMP) SOLVENT is a polar aprotic solvent , colorless liquids, that has the advantages of low toxicity, high boiling point,outstanding solvency, strong selectivity and good stability. It is widely used in purification of aromatic hydrocarbon extraction, acetylene, olefins, and diolefins and oil refining. 01) NMP is used in industrial cleaning, and it serves as a solvent for production of pesticides, engineering plastics, coatings, synthetic fibers, and integrated circuits. 02) NMP can also be used as an industrial cleanser, dispersant, dye, lubricant and antifreeze. 03)NMP is an excellent solvent, widely used in aromatics extraction, lubricating oil refining, acetylene enrichment, butadiene separation and synthesis gas desulfurization. NMP is used in gas desulfurization, lubricating oil refining, lubricating oil antifreeze, olefin extraction, and as a solvent for insoluble engineering plastics polymerization. NMP can be used in herbicide, to clean insulation materials, semiconductor industry precision instruments and circuit boards, to recycle PVC exhaust, as a detergent, dye supplement and dispersing agent. 04) NMP is used in mediums for polymerization reactions such as engineering plastics and aramid fiber 05).NMP is used as a polyvinylidene fluoride solvent and electrode auxiliary material for lithium ion batteries. Feel free to buy bulk n-methyl pyrrolidone (nmp solvent) in stock from professional n-methyl pyrrolidone (nmp solvent) manufacturers and supplier

Minimum Order: 20 square metres

Temperature control units are used to preheat the mold and then to keep the mold at the temperature set point by circulating coolant (water or oil) through the mold. The coolant absorbs heat from the mold (which has absorbed heat from the hot plastic) and keeps the mold at proper temperature to solidify the plastic.

Minimum Order: 1 bags

Trenbolone has anabolic and androgenic effects. Once metabolized, tranbolone increases muscle absorption of ammonium ions, thereby increasing the rate of protein synthesis. It also has the side effects of stimulating appetite and lowering the catabolic rate, as people believe in all anabolic steroids; However, once steroids are no longer taken, catabolism may increase significantly. Veterinary use Trenbolone (Trenbolone acetate) improves muscle mass, feed efficiency and mineral absorption in cattle. Side effect Human users sometimes experience events called the "cough series" shortly after or during an injection, where the user experiences a sharp and intense cough that may last for several minutes.

Minimum Order: 1 bags

Polyvinyl Alcohol Product Description SLEO polyvinyl alcohol powders are white stable non-toxic water-soluble macro- molecular synthetic polymers, which are made from vinyl acetate through the polymerization and saponification and quickly dissolves in water to form a stable colloid. It exhibits excellent water solubility, bonding strength, film forming properties and chemical stability. Model No. SL-PVA1788 SL-PVA2488 Appearance white powder white powder Hydrolysis (mol %) 86.0-90.0 86.0-90.0 Viscosity (mPa·s) 20.0-34.9 46.0-56.0 Purity (%) ≥93.5 ≥93.5 Volatile Matter (%) ≤5.0 ≤5.0 pH Value 5.0-7.0 5.0-7.0 Particle Size (mesh) 80-120 ≥80 The Role Of Polyvinyl Alcohol Powder: Good water solubility One of the main advantages of Polyvinyl Alcohol Powder is its good water solubility. When mixed with water, Polyvinyl Alcohol Powder quickly dissolves, making it easy to work with and apply in different applications. This property also makes Polyvinyl Alcohol Powder ideal for use in applications where water is the primary solvent, such as in textile printing and dyeing. Non-toxic and eco-friendly Another advantage of Polyvinyl Alcohol Powder is its non-toxic and eco-friendly nature. Polyvinyl Alcohol Powder is a natural polymer, which means that it is made from renewable resources and does not contain any harmful chemicals or compounds. As a result, it is widely used in applications where safety and environmental friendliness are essential, such as in food packaging and cosmetics. Excellent adhesion Polyvinyl Alcohol Powder also offers excellent adhesion properties, making it an ideal choice for use in adhesives and coatings. When mixed with other ingredients, Polyvinyl Alcohol Powder forms a strong bond that can withstand various types of stress and pressure, making it suitable for a wide range of applications.