These special properties allow the product to be used in several high performance applications. Thermoplastic materials become liquid at their melting point (110-130 degrees Celsius in the case of LDPE and HDPE respectively). Applications of Low Density Polyethylene (LDPE). Advantages: high softening temperature (which allows to use it for hot products packaging), excellent performance characteristics at low and high temperatures, surface gloss and crack-resistance.

» Learn More About HDPE Properties and Related Values in Detail. in several markets (packaging, automotive, electrical, etc.). The melting point for average, commercial, l ow density polyethylene is typically 105 to 115 °C (221 to 239 °F). Ultra-high-molecular-weight polyethylene (UHMWPE), High Degree of short chain branching + long chain branching, Linear (or Low degree of short chain branching), Using radical polymerization using tubular method or auto clave method, Using Ziegler-Natta catalyst or metallocene catalyst, Low crystalline and high amorphous (less than 50-60% crystalline), High crystalline and low amorphous (>90% crystalline), Shrink wrap, films, squeezable bottles garbage bags, extrusion moldings, and laminates, High performance bags, cushioning films, tire separator films, industrial liners, elastic films, ice bags, bags for supplemental packaging and garbage bags, High-molecular-weight polyethylene (HMWPE), Ultra-low-molecular-weight polyethylene (ULMWPE), Modifying natural gas (a methane, ethane, propane mix) or, The catalytic cracking of crude oil into gasoline. Box 490 Eagle, Wisconsin 53119, © 2020 Plastic Molded Concepts, Inc. Being and ideal material for injection molding process, it is majorly used for batch and continuous production. For which requirements is it a material of choice? High gas permeability, particularly carbon dioxide, Excellent for mild and strong buffers, good chemical resistance, Good water vapor and alcohol barrier properties, PE films burn to carbon dioxide and water with no residue. It is structurally similar to LDPE. Low cost polymer with good processability 6. From plastic containers, bottles, bags to plastic toys; everywhere we look, we see most of the plastic items made of polyethylene! Low strength, stiffness and maximum service temperature.
Ultrahigh-Molecular-Weight Polyethylene (UHMWPE), High-density crosslinked polyethylene, or XLPE, is a form of, Comparison Between Main Types of Polyethylene, Get Detailed Information on Several Other Properties of LDPE, LLDPE and HDPE.

Low Density Polyethylene can be processed by injection molding or rotomolding also. LDPE has a melting point of 105°C. Around 80% of LDPE is used for the production of films, mainly packaging films, as well as cable insulation and extrusion when producing cardboard coatings and other materials. In addition to main polyethylene types (LDPE, HDPE), medium-density polyethylene (MDPE), cross-linked polyethylene (PE-X) and ultra-high-molecular-weight polyethylene (UHMWPE) are also used for industrial purposes. Low Density Polyethylene (LDPE) uses majorly revolve around manufacturing containers, dispensing bottles, wash bottles, tubing, plastic bags for computer components, and various molded laboratory equipments. Polyolefins, also called polyalkenes, are the largest class of commodity thermoplastics.

Low Density Polyethylene (LDPE) is a semi-rigid and translucent polymer. Various forms of Polyethylene can be used in processes like injection molding, blow molding, extrusion and various film creation processes such as calendaring or blown film extrusion. We only use the material list to inform visitors that we are experienced in processing  these materials for many fine products. It conventional methods such as injection, blow or extrusion molding, because this material does not flow even at temperatures above its melting point. Applications of High Density Polyethylene (HDPE). Even at high temperatures, it is resistant to several solvents, except aromatic, halogenated hydrocarbons and strong oxidizing materials, such as nitric acid. Polyethylene is processed using all known plastics processing methods - extrusion, extrusion blowing, injection molding, pneumatic molding and rotational molding.

UHMWPE is processed variously by compression moulding, ram extrusion, gel spinning, and sintering. Please Note: PMC does not sell the material listed below. A useful attribute of thermoplastics is that they can be heated to their melting point, cooled, and reheated again without significant degradation. They are polymers of simple alkenes such as ethylene, propylene, butenes, and pentenes, and copolymers thereof. High impact strength at low temperature, good weatherability. LLDPE: Chemical Name: LLDPE; Linear Low Density Polyethylene Structure: Amorphous: Opacity: Opaque to Translucent: Strength: Flexible; Stretchable: Specific Gravity: 0.916: Shrinkage: 3.0%: Melting Point: 238° – 320° F Deflection Temperature: 66 PSI (Unannealed) 107 – 185 F; 264 PSI (Unannealed) 93.2 – 160 F: Service Temperature: 194°F – 230°F: Applications
» Check Out All Commercially Available HDPE Grades for Packaging. It is one of the most widely produced plastics in the world (tens of millions of tons are produced worldwide each year).

How to process PE? The sheer availability of PE is encouraging efforts to apply this material for additive manufacturing. It is manufactured at low temperature (70-300°C) and pressure (10-80 bar) & derived from either: High Density Polyethylene Molecular Structure. There are no toxic fumes or gases and no cinders produced in this process, PE films contain no plasticizers and no heavy metals. Polyethylene is used in applications ranging for films, tubes, plastic parts, laminates, etc. Density of LDPE: 0.910–0.940 g/cm3 3.


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