Diemazz

A plain white pipe cleaner.

A pipe cleaner is a type of brush originally intended for cleaning smoking pipes. Besides cleaning pipes, they can be used for any application that calls for cleaning out tight places. They are popular for catching drips, tying up things, colour coding things, and applying paints, oils, solvents, greases, and similar substances.

Smoking pipe cleaners normally use some absorbent material, usually cotton or sometimes viscose. Bristles of stiffer material, normally monofilament nylon or polypropylene are sometimes added to better scrub out what is being cleaned. Microfilament polyester is used in some technical pipe cleaners because polyester wicks liquid away rather than absorbing it like cotton does. Some smoking pipe cleaners are made conical or tapered so that one end is thick and one end thin. These are useful to use the thin end for the small bore of the pipe stem and then the thick end for the bowl or the wider end of the stem. Pipe cleaners are normally discarded after one or two uses.

Many children enjoy bending pipe cleaners into various shapes^[1]. "Craft" pipe cleaners are usually made with polyester or nylon pile and are often longer and thicker than the normal type, and available in many different colors. Pipe cleaners which have non-absorbent bristles are not very useful for cleaning purposes, and the thicker versions may not even fit down the stem of a normal pipe. Because "sharp" ends of a pipe cleaner are needed to push ends into backing material to hold up objects they should not be left for children under five to play with, unless under supervision.

A pipe cleaner is made of two lengths of wire, called the core, twisted together trapping short lengths of fibre between them, called the pile. Pipe cleaners are usually made two at a time, as the inner wires of each pipe cleaner have the yarn wrapped around them, making a coil, the outer wires trap the wraps of yarn, which are then cut, making the tufts. Chenille yarn is made in much the same way, which is why craft pipe cleaners are often called "chenille stems". Many pipe cleaner machines are actually converted chenille machines. Regardless of the machine's heritage, they produce very long pipe cleaners which are wound onto spools. The spools may be sold as-is or cut to length depending on the intended use. Smoking pipe cleaners are usually 15 - 17cm (6 - 7 inches) long. Craft ones are often up to 30cm (12 inches) long.

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