Plastics and Polymers

TARGET uses over 10000 bags in a week. I know that's a lot

You can buy it in Artland, in wanchai. its in lockhart center :) they only sell fimo though. if you want a cheaper alternitive, buy it from taobao. their quality isnt as good as fimo, but its cheaper so... ;)

No one card can Special Summon any Fusion Monster. Because some Fusion Monsters specify that they "cannot be Special Summoned except by a Fusion Summon", cards like "Metamorphosis" will not be able to Special Summon them. Even "Instant Fusion" cannot Special Summon Fusion Monsters that state "This card can only be Special Summoned from your Extra Deck by returning the above cards you control to the Deck."

Polyester plastics, ABS, PET, PMMA, nylon, acrylic, and many other plastics are good for laser cutting. The acrylic will cut and leave a polished edge if done properly. ABS is a material used in many parts, including automotive components, and cuts and leaves a good edge. Textiles made of polyester or nylon will cut and seal (not fray) with laser cutting.

Avoid plastics with carbon in them because they can discolor. For example, Lexan is a brand name for polycarbinate material (same as bulletproof glass). As the name polycarbinate indicates, carbon is a part of this material, and carbon can change color or turn black and sticky when laser cut. Thin polycarbinate membrane material can be laser cut well, but quarter inch polycarbinate typically gives bad results.

Avoid plastics like vinyl and PVC because they give off chlorine acid when cut, polyvinyl chloride. The acid will deteriorate the machine and can injure the operator if not exhausted properly.

Some plastics were designed for laser use and thus perform exceptionally well. Rowmark makes a line of plastics that are two color laminates for laser engraving and cutting.

See the related link for laser cut samples.

When plastic is recycled, it is processed and transformed into new products or materials instead of being discarded. This allows for the conservation of resources, reduction in waste, and decreased environmental impact compared to virgin plastic production. Recycled plastic also helps to reduce energy consumption and greenhouse gas emissions associated with plastic manufacturing.

Yes, polymers can be broadly categorized into natural and synthetic polymers. Synthetic polymers can further be classified based on their chemical structure and properties, such as thermoplastics, thermosets, elastomers, and fibers. These classifications help in understanding the different characteristics and applications of polymers.

The plastic thing on a shoelace is called an aglet. It helps to prevent the lace from fraying and makes it easier to thread through the eyelets of a shoe.

The structural formula of polyethylene plastic is (-CH2-CH2-)n, where n represents the number of repeating units in the polymer chain. In this formula, each "CH2" unit represents a single ethylene molecule that has undergone polymerization to form the long-chain polymer structure of polyethylene.

This type of clothing causes excessive loss of water (dehydration) and is particularly dangerous when used in hot humid weather. The best clothing for exercise is loose, comfortable, absorbent and reflects the sun.

Propenonitrile (CH2=CHCN) polymerises to poly(propenonitrile)

Plastic bags can choke animals when they mistake them for food and ingest them, leading to blockages in their digestive systems. Animals may also get entangled in plastic bags, causing them to suffocate or suffer injuries that could be fatal.

The casing of many mobile phones is made from polymer materials, such as polycarbonate or ABS plastic. These polymers are chosen for their durability, impact resistance, and light weight characteristics.

It depends on the specific polymer and the production process involved. Some synthetic polymers can be relatively inexpensive to produce due to large-scale manufacturing processes, while others may be more costly due to factors such as raw material costs or specialized processing requirements.

Wax is a naturally occurring polymer called an ester, which is made up of long-chain hydrocarbons with a carboxylic acid group at one end. It is a solid at room temperature and becomes liquid when heated.

Plastic banknotes have several advantages over paper banknotes.

- They are much more resilient than paper notes, being very difficult to rip or tear.

- They are waterproof.

- They are much more difficult to forge.

The polymer polypropylene, or to be more accurate biaxially oriented polypropylene, is chosen for use in the manufacture of plastic banknotes both because of polypropylenes resistance to most types of solvents and glues and because of it's resilience.

Anything can burn, except for stars. Plastic is one of the easiest things in the world to burn. Though it does give off quite a smelly odor when burned. (though it's actually more pleasant smelling than the burning of rubber)

Which of the following is not a polymer?

A) cellulose

B) glucose

C) starch

D) DNA

E) chitin

Paper is made from materials that are attracted to water. When people wet their fingers they are essentially making paper want to stick to their fingers more, it reduces the chance that they may lose their place when counting and have to start all over again.

They both have similar capabilities, but the main difference is that Lithium Polymer batteries can be shaped/molded in ways that Lithium Ion batteries simply can't.

Lithium Polymer batteries are used in lots of hobby equipment, very small devices, and anywhere else where a certain shape of battery is required.

It is difficult to determine which shop sells the most plastic bags as data on sales of plastic bags by individual shops is typically not publicly available. However, larger retail chains and supermarkets are known to sell large quantities of plastic bags due to the high volume of customers they serve.

Typically, plastic bags are cheaper to produce than paper sacks due to lower material and manufacturing costs. However, paper sacks are considered more environmentally friendly and biodegradable compared to plastic bags, which contribute to plastic waste and pollution. The cost difference may vary depending on factors such as size, design, and quantities ordered.

Light switches are typically made of plastic because it is a lightweight, durable, and cost-effective material that is also non-conductive, making it safe to use in electrical applications. Plastic is also easy to mold into various shapes and sizes, allowing for different switch designs to suit different needs and styles.

Polyurethane formulations cover an extremely wide range of stiffness, hardness, and densities. These materials include: * Low-density flexible foam used in upholstery and bedding * Low-density rigid foam used for thermal insulation and RTM cores * Soft solid elastomers used for gel pads and print rollers * Hard solid plastics used as electronic instrument bezels and structural parts Polyurethanes are widely used in high resiliency flexible foam seating, rigid foam insulation panels, microcellular foam seals and gaskets, durable elastomeric wheels and tires, automotive suspension bushings, electrical potting compounds, high performance adhesives and sealants, Spandex fibers, seals, gaskets, carpet underlay, and hard plastic parts. source: http://en.wikipedia.org/wiki/Polyurethane

No! Polypeptides are polymers of amino acids, joined by peptide bonds. They are the constituents of proteins. Starch, glycogen and cellulose are polysaccharides, which are polymers of simple sugars (monosaccharides) linked by glycosidic bonds. Polysaccharides are therefore carbohydrates. See http://www.phschool.com/science/biology_place/biocoach/bioprop/classes.html