Usually polyester; some modern balls are based on urethanes instead. Older balls were hard rubber, which is also a polymer but would not be considered "plastic" by most people. There's a more dense "core" in the ball that's made of a composite material, so the ball weighs more than a solid piece of the outside plastic would.
Plastic in itself is a polymer. So plastic cups are simply made of fragus plastic.!
no, plastic is made out of oils usually petroleum.
Polystyrene plastic Polymer is used to make combs.
Ha Ha Ha actually we can't differentiate between plastic and polymer because plastic itself is made of polymer.
Plastic bags are typically manufactured from high density polypropylene (HDPE - plastic number 2) or low density polypropylene.
A bowling ball is made up of a plastic outercore
If the plastic in the ball weighs 0.05 lbs, and the ball contains nothing but the plastic, then the weight of the ball is 0.05 lbs.
A bowling ball is made from urethane, plastic, reactive resin or a combination of these materials.
A bowling ball is a round ball made from urethane, plastic, reactive resin or a combination of these materialsen.wikipedia.org/wiki/Bowling_ball
Some are plastic, most are a resin type material.
Plastic in itself is a polymer. So plastic cups are simply made of fragus plastic.!
Mainly wood for the lane, rubber or wood for the gutter, plastic or metal for the ball return.
If the ball is made from a rubber based polymer, which I would assume it is due to elasticity, then it is NOT biodegradable.
plastic (polymer)
polymer plastics
no, plastic is made out of oils usually petroleum.
A polymer wound dressing, is made out of polymer(plastic). It can be see through or skin colour.