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Old 10-08-2004, 01:44 AM   #1
Funi Funi is offline
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Default What materials is Blu Ray disc made out of???

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Old 10-08-2004, 02:02 AM   #2
Funi Funi is offline
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Can anyone help me out? does anyone know what kind of chemical it is made out of?
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Old 11-14-2004, 03:49 AM   #3
truchemic truchemic is offline
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yes, i m very much interested in the type of chemical composition that is used to produce the blu-ray dvd media. As we are looking forward to a new media to support, we do very much welcome input on this matter.

currently as we know, TFP is one of the main ingredient for DVD, so as for blu-ray, we are still finding the opportunity

do send mail to us at if you could kindly share us the info. or looking for forward business opportunity in the chemical supply line.
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Old 10-25-2018, 04:16 AM   #4
Dszila27 Dszila27 is offline
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Oct 2018

Originally Posted by Funi View Post
Can anyone help me out? does anyone know what kind of chemical it is made out of?
Discs are commonly made of multiple layers of poly carbonate. Therefore it would be safe to assume that Blu-Ray discs are made of the same materials.

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Old 10-25-2018, 07:15 AM   #5
Vilya Vilya is offline
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"A BD-ROM (prerecorded) is a sandwich of multiple layers of materials and either one or two data layers (single or dual-layer). A single-layer (SL) disc begins with the substrate (polycarbonate) molded with a spiral track of pits and lands extending from the inside to the outside diameter of the disc. Added to this substrate are a reflective layer (aluminum or silver alloy), a cover layer (polycarbonate film, silicone and others) and finally a transparent protective hard coating (silicon dioxide resin, silicone and others). To seal and prevent it from absorbing water, which might warp the disc, the substrate is also topped with a moisture barrier (silicon nitride and others).

The structure of a dual-layer (DL) disc is more complex. First comes the substrate with its track of pits and lands [data layer 0], a reflective layer (silver alloy), a spacer layer (pressure sensitive adhesive, photo curable acrylate adhesive and others) imprinted with a second track of pits and lands [data layer 1], a semi-reflective layer (silver alloy), a cover layer and then a protective hard coating."

^This link also explains how BD-R and BD-RE discs are made and more.

Last edited by Vilya; 10-25-2018 at 07:23 AM.
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