Plastic by the numbers Purpose: To describe whatever of the major(ip) bendable resins and their enforces. To comp atomic number 18 and contrast the properties of different charge plate resins. To listen products that different resins. Hypothesis: If majority of the plastic resins are use than the different properties of the plastic can be recycle. Materials Station 1: Plastic soft drinks bottles, mouth wash bottle, peanut butter, salad dressing, care for bags, frozen food, milk water, shampoo, clear food packaging, videocassette cases, compact unload jacket Materials Station 2: Several pieces of different things of plastic t.e.g. HDPE raceway from milk jugs, LDPE from lab was bottles, polypropylene from yogurt cartons, kiss from treat mint boxes or CD jewel cases, etc) 250Ml, breakers, swallow glasses, or smooth containers, plastic wrap aluminum foul, or con glasses to cover containers, graduated cylinder, balance, forceps, rubbing alcohol (70% isopropyl alc ohol)(IPA) NaCl disconcert salt, vege tabularize oil (optional) Procedure Station 1: look at table1 major plastic resins and their uses. This resin graph describes six greenness resins and the variety of uses each has. The uses depend on the properties of each resin listed (e.g, lightweight, flexible, incredibly hard, rigid, durable).
The code numbers are use by recyclers to identify different resins. Find a take of as many of the six resins as you can. (There is a 7 which is used kind of like none of the higher up it is not common). Since this is an instituteitional credit assignment, each resin you use pass on add to your grade. It is important that ! the plastic identification code be panoptical on each object, for ease in identifying the resin from which it is made. run across in table 2 properties of plastic resins as you experiment your plastic samples. Cut out the recycle symbol on each sample and attach it to table 2.Cut a small piece, about 1cm by 1cm, of each sample and put them into a small container of tap water and level which float (F) and which sink(s). You may...If you lack to get a full essay, auberge it on our website: BestEssayCheap.com
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