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Project on invention of plastic...need a slogan to advertise plastic?
- How about... Don't put it too close to heat! or umm... Without plastic we'd never have hot pink injection molded shoes! Horray for Crocs! or umm.... I don't know, I'm bad at that stuff.s
What type of Plastic?
- Some Chevy bumpers, especially front bumpers are constructed with integral crumple zones. Crumple zones are designed to absorb the force of impact; the crumple zones are designed to flex on impact. As the Chevy bumper flexes, the action of the bending bumper converts the kinetic energy of the car into heat. This way further damage to the car is prevented. Nowadays, car front bumpers are constructed out of rubber, plastic, urethane, fiberglass or painted light metal. These are also durable, though not as tough as the heavy steel used in the vintage cars, but technology has provided them with ways to divert danger away from the occupants of the vehicle. Chevrolet is continually finding ways to make them safer and more effective in shielding the owners from danger.s
What were uses for plastic?
- Plastics existed before Bakelite, but Bakelite was the first completely synthetic material. It was first used for electrical insulators, later for billiard balls and the casings for the old big black telephones that people used to use. Many uses were subsequently found for it, replacing steel and wood for various manufactured items, from combs, pens, dishes and toys, to artillery casings and propellers. Today there are thousands of different plastics made in a great variety of ways. Most plastics are hydrocarbons, and can be made from just about any carbon-rich substance. Coal tar, petroleum and natural gas are all commonly used as feedstock for plastic making. An excellent book on the subject is Plastic, the making of the Synthetic Century by Stephen Fenichell, published by Harper Collinss
What's condition the plastic releases BPA? What's kind of plastic has BPA?
- Bis Phenol A is found in a very wide variety of plastics.Products containing BPA have been in commerce for more than 50 years, and its current uses are numerous. It is used in the synthesis of polyesters, polysulfones, and polyether ketones, as an antioxidant in some plasticizers, and as a polymerization inhibitor in PVC. It is a key monomer in production of polycarbonate plastic and epoxy resins. Polycarbonate plastic, which is clear and nearly shatter-proof, is used to make a variety of common products including baby and water bottles, sports equipment, medical devices, optical lenses, CDs, and household electronics. Epoxy resins are used as coatings on the inside of almost all food and beverage cans. There are a lot of concerns about the health dangers of BPA. It appears that it is very difficult not to come in contact wit it in everyday activities.s
can you recycle plastic bottle caps?
- Yes, the recyclers ask that you remove them from the containers so that the containers can be crushed without damaging the steel rollers used to crush them. If you leave the caps on, the containers retain their shape till the pressure bursts the plastic thereby collapsing suddenly and the steel rollers slam together with a fair deal of force which eventually damages them. You're supposed to just remove the caps and toss the caps into the recycling bin. How this mutated into the common belief that recyclers don't want caps is simply evidence that most people don't read thoroughly and are apt to making assumptions. The sorting of plastic in a single stream recycling facility involves dropping the plastic through a laser beam which determines the type of plastic and triggers a puff of air to blow it into the appropriate bin. The caps don't represent any added separating requirements.s
How to get screen printed logos off plastic containers?
- soak okorder.com/s
Why does my cat always lick plastic?
- Hi okorder.coms
experiment to determine if plastic is porous?
- to test the porosity of plastic (which i'm pretty sure not many are) 1. take a small tub and fill it with water 2. weigh your sample of plastic then put it in the water for a set time, say two minutes. 3. take the plastic out of the water and re-weigh to find the difference. if the plastic weighs more, then it's holes have been filled with water, like a sponge, and you can see exactly how much water it's taken up with this test. hope thats what youre looking for!s
what is npk fertilizer
- NPK fertilizer refers to the three elemental nutrients found in common garden fertilizer: nitrogen (N), phosphorus (P) and potassium (K), or potash. Also seen as N-P-K, the hyphens...
How to unfreeze frozen pipes
- Water pipes in a frozen state can give you more problems than you can ever imagine. It can stop water from flowing into your faucets keeping you from doing the everyday things that...
what to do when pipes freeze
- Shut off the water immediately. Don't attempt to thaw frozen pipes unless the water is shut off. Freezing can often cause unseen cracks in pipes or joints.Apply heat to the fro...
How to thaw pipes
- The best way is to first open all the faucets to release any pressure in the lines. If you can get to it; turn off the valve before the problem pipe you want to thaw. If the pipe h...
What is a rubber
- It is a kind of reversible deformation elastomeric polymer material. Under room temperature,it has the characterrictic of elastic. Under a small external force ,it can produce larg...