The phrase "a plastic composed of" is correct and usable in written English.
It can be used when describing the materials or components that make up a specific type of plastic.
Example: "The new biodegradable product is made from a plastic composed of renewable resources."
Alternatives: "a plastic made from" or "a plastic consisting of".
The eco-chic cosmetics chain -- founded 40 years ago by the late environmentalist and British socialite Anita Roddick -- said Thursday that it plans to use a special plastic composed of greenhouse gases from the atmosphere to make bottle lids and containers for its popular body butters.
A french curve is a template made out of metal, wood or plastic composed of many different curves.
Made using plastics composed of recycled water bottles, the Renew is being billed by the company as a carbon-neutral cellphone.
But it also leads to an odd sight every night at the London Aquatics Centre: a glass-and-plastic reef composed of 10 cameras and a platoon of frogmen who enter the pool soon after the last race to tend to them.
Nylon, any synthetic plastic material composed of polyamides of high molecular weight and usually, but not always, manufactured as a fibre.
Her Nenuphar coffee table, above, is made of laminate, beech plywood and clear plastic and composed of three pieces that can be grouped together or used separately ($9,855).
Plastics are composed of long, repeating chains of small molecules.
So both cutin and biodegradable plastics are composed of esterified organic acids that are solid at room temperature.
Recycled waste plastics, predominantly composed of low density polyethylene (LDPE) in pellet form, were used in dense graded bituminous mixes to replace (by volume) a portion of the mineral aggregates of an equal size, i.e., 5.00-2.36 mm.
A dedicated positron probe composed of a plastic scintillator and a bismuth germanate (BGO) crystal was developed by Yamamoto et al. [ 27].
