Products Details
CHEMICAL PROPERTIES
Product Name：polyethylene Molecular format：nC2H4 CAS No：9002-88-4 Product molecular structure：APPLICATION AREA
Polyethylene (PE) is a thermoplastic polymer consisting of long hydrocarbon chains. PE is used in a number of applications including flexible film packaging produced by the blown film process. Polyethylene is used to regulate viscosity, suspension properties, and general stability in cosmetic formulations. Typical applications included specialty injection molded parts, in these fields Polyethylene has a wide range of uses: Injection and blow molded toys, housewares and lids. Injection molded car seats, mower parts and pails. Injection molded, thin-walled containers and housewares. Hot melt coating for paper, additive in cast moldings, candles, oil-based inks and hot melt adhesives. Additive to unsaturated polyesters, epoxides and other polymers to impart the unique properties of UHMWPE. Used in industrial parts, coatings and wear surfaces at 10-40 wt. %. Film applications having good drawdown and toughness. Mold release additive, lubricant in rubber processing, extrusion and calendering aid for PVC and dispersing aid for color concentrates. Bearings, gears, bushings and other moving parts. Laboratory tubing; in making prostheses; electrical insulation; packaging materials; kitchenware; tank and pipe linings; paper coatings; textile stiffeners. polyethylene is used to regulate viscosity, suspension properties, and general stability in cosmetic formulations. It is derived from petroleum gas or dehydration of alcohol.HOW TO BUY FROM US
5. Delivery documentation The following documents are provided with each delivery: · Bill of Lading, CMR Waybill or other relevant transport document · Certificate of Analysis or Conformity (if required) · HSSE-related documentation in line with regulations · Customs documentation in line with regulations (if required)1. Security Safety is our top priority. In addition to providing customers with information about the safe and environmentally friendly use of our products, we are also committed to ensuring that the safety risks of employees and contractors are reduced to a reasonable and feasible minimum. Therefore, we require the customer to ensure that the appropriate unloading and storage safety standards are met before our delivery (please refer to the HSSE appendix in the general terms and conditions of sales below). Our HSSE experts can provide guidance on these standards.2. Delivery method Customers can order and deliver products from chemwin, or they can receive products from our manufacturing plant. The available modes of transport include truck, rail or multimodal transport (separate conditions apply). In the case of customer requirements, we can specify the requirements of barges or tankers and apply special safety/review standards and requirements.3. Minimum order quantity If you purchase products from our website, the minimum order quantity is 30 tons.4.Payment The standard payment method is direct deduction within 30 days from the invoice.Chemwin can provide a wide range of bulk hydrocarbons and chemical solvents for industrial customers. Before that, please read the following basic information about doing business with us: Chemical and physical properties are markedly affected by increasing density, which is affected by the shape and spacing of the molecular chain. Low-density materials have highly branched and widely spaced chains, whereas high-density materials have comparatively straight and closely aligned chains. Low-density polyethylene (0.926–0.9409 g/cm3) is soluble in organic solvents at temperatures higher than 200°F. It is insoluble at room temperature. High-density polyethylene (0.041–0.965 g/cm3) is hydrophobic, permeable to gas, and has high electrical resistivity. Low molecular weight polyethylenes have excellent electrical resistance and resistance to water and to most chemicals. Medium molecular weight polymers are waxes miscible with paraffin wax, and polyethylene polymers whose molecular weights are higher than 10,000 are the familiar tough and strong resins that are flexible or stiff. By varying the catalyst and methods of polymerization, properties such as density, crystallinity, molecular weight, and polydispersity can be regulated over wide ranges. Polymers with densities ranging from approximately 0.910 to 0.925 g/cm3 are low-density polyethylenes; those with densities ranging from 0.926 to 0.940 g/cm3 are medium-density polyethylenes; and those with densities ranging from 0.941 to 0.965 g/cm3 and higher are high-density polyethylenes.
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