Essays Tagged: "Low-density polyethylene"

Unknown Polymer Identification

part of this experiment. The important properties of the materials that are given are as follows A. Polyethylene is known to be having a low coefficient of friction. It is tough, has low strength and ... or making the part of the machine.Appendix Polymer Density in water Density in saline Hardness test Polyethylene Floated N/A N/A Polypropylene Floated N/A N/A Polystyrene Sank Floated 57 Polycarbonate ...

(2 pages) 1677 0 0.0 Sep/2001

Subjects: Science Essays > Chemistry

Core 1 Notes: Production of Materials

branching (addition of alkyl groups) and therefore reduces density. Hence, this process is used for low-densitypolyethylene.The newer process, (called the Ziegler-Natta process) uses pressures of only ...

(16 pages) 34 1 4.0 Nov/2008

Subjects: Science Essays > Chemistry

Polyethylene

re are two types of polyethylene that are commonly used today, high-density polyethylene (HDPE) and low-density polyethylene (LDPE). LDPE was the first and only type of polyethylene around for approxi ...

(5 pages) 2 0 0.0 Nov/2012

Subjects: Science Essays > Chemistry

Tote bags vs Plastic bags

e thin open bags with handles attached on the side. They are most commonly made out of high density polyethylene or low density polyethylene depending on what type of bag it is. Plastic bags are not v ... istant and lastly it is lightweight. The properties of the materials that a plastic bag is made of( polyethylene) are that it is water proof, non-toxic to the items inside the bag, resistance to micro ...

(3 pages) 1 0 0.0 Mar/2013

Subjects: Science Essays

Quantitative Determination of Sulfate by Gravimetric Analysis

ical properties of General Purpose Polystyrene (GPPS), High Impact Polystyrene (HIPS), High Density Polyethylene (HDPE) and Polypropylene (PP). We obtained the average tensile strength, tensile modulu ... materials such as General Purpose Polystyrene (GPPS), High Impact Polystyrene (HIPS), High Density Polyethylene (HDPE) and Polypropylene (PP). We used them to carry out tensile test and impact test. ...

(2 pages) 1 0 0.0 Nov/2014

Subjects: Humanities Essays > Philosophy