RITEK announced today new CD-RW media that supports up to 24X re-writing speeds. As RITEK says "...RITEK CD-RW is superb for both data and audio use. It is the most high quality and stable media for writing, erasing and rewriting your data up to a thousand times. It is a reusable treasure box for you to store your precious data. RITEK CD-RW discs are also capable of multi-speed writing. RITEK CD-RW for Audio is an excellent choice for audio storage capable of numerous rewrites and has a long archival life. It does not lose any digital sound brilliance while rewriting and, in the same time, retains excellent sound quality..." Specification

Dimension
Outer Diameter 120 +/- 0.3 mm / 80 +/- 0.3 mm
Inner Diameter 15+0.1/-0 mm

Thickness 1.2+0.3/-0.1 mm
User Area 50 ~ 116 mm

Recording Capacity
Capacity
74min / 650MB <120 mm>
80min / >700MB <120 mm>
21min / 180MB <80 mm>

Type Data / Audio
Speed 1 ~ 24x
Track Pitch 1.6 +/- 0.1 um
Linear Velocity 2.4 m/s for 2x refereme speed
Substrate Polycarbonate
Recording Material Phase-Change
Reflectance (Rtop) 0.15 I11 / Itop 0.55 I3 / I11 0.45 ~ 0.6
Track eccentricity Less than 70um
Tilt Less than 0.4 degree
Write Power 8 ~ 15mW (at: 785nm,NA:0.5)
Read Power Less than 1mW
Read Stability More than 10^6 times (Read Power=1mW)
Overwrite cyclability More than 1,000 times
Operating Environment More than 30 Years (5 ~ 25 degree, 5 ~ 60%RH)