What kind of plastic are CD jewel cases?

What kind of plastic are CD jewel cases?

polystyrene

Why are jewel cases so fragile?

There are a number of shortcomings with the jewel case. The case is hinged on two brittle plastic arms, which often break if the case receives shock or stress due to being dropped. The teeth of the hub holding the disc are also prone to failure by snapping.

What are CD covers made out of?

The bulk of slimline cases are made with translucent or transparent polystyrene, and are available in multiple colors. A stronger alternative is made from semi-opaque, semi-flexible polypropylene which is strong enough to protect the disc, but flexible enough not to break easily.

Why is it called a jewel case?

Billions have since been manufactured. The jewel case allegedly derives its name from its Phillips designer, Peter Doodson, who named it the jewel case because he claimed it was the perfect case design that also picked up light from certain angles.

How much does a DVD case cost?

A generic CD or DVD case costs about 30 cents per plastic DVD case when it is ordered in bulk. The retail price of Amazon’s paper CD/DVD sleeves is 3 cents each, while its plastic jewel cases are 15 cents each and its plastic DVD cases are 25 cents each.

What is a CD case called?

A digipak or digipack (generic term) is a rectangular cardboard package with one or more plastic trays capable of holding a disc attached to the inside.

How big is a normal CD case?

The finished dimensions for the outside of printed CD covers are 4.724 inches square. Many printed designs include bleed. The “bleed area” is an extra 1/8″ of space for design elements or backgrounds to extend beyond the finished size of your piece.

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What comes in a CD case?

It is a three-piece plastic case, measuring 142 by 125 by 10 millimetres (5.59 in × 4.92 in × 0.39 in), a volume of 177.5 cubic centimetres (10.83 cu in), which usually contains a compact disc along with the liner notes and a back card.

What is jewel case version?

The super jewel box is the conventional case for Super Audio CD (SACD) releases; a taller “Plus” size, midway between CD and DVD-Video size, is the conventional case for DVD-Audio, and as of mid-2006, the case format for all albums released by the Universal Music Group in Europe.

What is a jewel case for a DVD?

The jewel case can contain CDs, DVDs or Blu-ray. The disc is placed on the inside right of the case, on a specially designed tray, which secures the centre of the CD onto a hub or spider. This ensures it does not move around inside the case and avoids damage.

What are jewel cases used for?

Jewel cases are protective covers for compact discs, digital video discsdigital video discsOutput a video signal, either an analog one (in NTSC or PAL format) on the composite, S-Video, SCART, or component video connectors, or a digital one on the DVI or HDMI connectors. DVD players cannot play Blu-ray discs due to using different wavelength laser’s Blu-ray use a Blue Violet laser instead of a Red laser.https://en.wikipedia.org › wiki › DVD_playerDVD player – Wikipedia, and similar optical media. The cases are designed to hold discs safely, preventing scratching or breakage. When the consumer needs to access the disc inside, the case is popped open and the disc is removed.Feb 3, 2022

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What is a super jewel case?

“Super Jewel Box” is a more advanced design which offers amongst other improvements a greatly strengthened hinge area. The super jewel box was developed by Philips and it was intended to be successor to the original jewel case.

How do you get the silver off a CD?

What makes a CD shiny?

It is very common to see rainbow patterns when you look at the surface of a CD, and also when you look at soap bubbles or a thin film of oil floating on still water. All three of these effects are created by constructive and destructive interference of the light hitting the film.

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