Essays Tagged: "High-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) 1651 0 0.0 Sep/2001

Subjects: Science Essays > Chemistry

Core 1 Notes: Production of Materials

ride and a trialkylaluminium compound. This product is more crystalline, with less branching, hence high-density. Therefore, this process is used for high-density polyethylene.Identify the following a ...

(16 pages) 34 1 4.0 Nov/2008

Subjects: Science Essays > Chemistry

Plastic Recycling

of 'accelerated' polymerization in 1953 making plastics a superior product, polypropylene (PP) and polyethylene (PE) were created (3).Below is a table outlining some of their uses:PVCIt is used in pi ... . Below is a table with the resin code and their definition.Resin CodeDefinitionResin CodeDefinitionPolyethylene terephthalatePolypropyleneHigh density polyethylenePolystyreneVinyl/polyvinyl chloride ...

(11 pages) 23 0 0.0 Nov/2009

Subjects: Science Essays > Chemistry

Polyethylene

ylene must be taken into account. There 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 ty ...

(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