The phrase "a kind of plastic" is correct and usable in written English.
It can be used to describe a specific type or category of plastic material in various contexts, such as manufacturing, recycling, or product descriptions.
Example: "Polycarbonate is a kind of plastic that is known for its high impact resistance and optical clarity."
Alternatives: "a type of plastic" or "a variety of plastic".
At the end of the stream, Fowler makes a kind of plastic from a by-product of refining gasoline.
"Nixon's self-pity was a mere overlay, a kind of plastic transparency protecting the authentic anguish visible beneath," Mr. Mallon writes.
His company now uses a kind of plastic cable called Dyneema that is as strong as steel but weightless in seawater.
SCHECHNER There are no mattresses in this production, but Alice is mostly immobile, contained in a kind of plastic contraption VAN HOVE Cast from Joan's body.
"There are a couple of bunkbeds and a kind of plastic mattress on the floor, so someone's sleeping with their head a foot from the toilet," he said.
Disproving that last thought, though, is a group of very recent abstractions made with watercolor on Dura-Lar (a kind of plastic sheeting), in which trails of thinned-out paint streak down the faces of overlapping circles.
He claims to be the first to figure out how to take nearly any kind of plastic trash, which is usually a mongrel blend of up to 20 different plastics, and separate it by chemical type.
"We wanted a workshop of little old men creating the little wooden parts, and we would not have permitted any kind of plastic substitute".
In the 2008/2009 campaign the food inspectors were asked to sample all kind of plastic samples provided they were claimed to be suitable for fatty food contact.
A kind of cheap, plastic scaffolding was clamped on to an old flickering telly (no remote!) on top of which sat a red plastic sports car with a wire leading off it to a rudimentary steering wheel.
Sclerotin, the product of sclerotinization, is a kind of natural plastic.
