This is the coaster it half burned:
HL-DT-ST BD-RE WH16NS40 1.02 (SATA)
Current Profile: BD-ROM
Disc Information:
Status: Empty
State of Last Session: Empty
Erasable: No
MID: VERBAT-IMd-000
Supported Write Speeds: 4x, 6x, 8x
BD Disc Information (L0):
Disc ID: VERBAT-IMd-000
Disc Type: BD-R
Disc Size: 120 mm
Disc Class: 0
Disc Version: 1
Number of Layers: 2
Layer Type: Writable
DVD Layer Present: No
CD Layer Present: No
Channel Bit Length: 74.50 nm (25 GB Per Layer)
Push-Pull Polarity: Positive
Recorded Mark Polarity: HTL
BCA Present: Yes
Maximum Transfer Rate: Not Specified
First PAA of Data Zone: 131,072
Last PAA of Data Zone: 1,658,494
BD Disc Information (L1):
Disc ID: VERBAT-IMd-000
Disc Type: BD-R
Disc Size: 120 mm
Disc Class: 0
Disc Version: 1
Number of Layers: 2
Layer Type: Writable
DVD Layer Present: No
CD Layer Present: No
Channel Bit Length: 74.50 nm (25 GB Per Layer)
Push-Pull Polarity: Positive
Recorded Mark Polarity: HTL
BCA Present: Yes
Maximum Transfer Rate: Not Specified
First PAA of Data Zone: 2,535,808
Last PAA of Data Zone: 4,063,230
Performance (Write Speed):
Descriptor 1...
-> B0: 0x00, B1: 0x00, B2: 0x00, B3: 0x00
-> EL: 24438783 (0x0174E7FF)
-> RS: 35,968 KB/s (8x) - WS: 17,984 KB/s (4x)
Descriptor 2...
-> B0: 0x08, B1: 0x00, B2: 0x00, B3: 0x00
-> EL: 24438783 (0x0174E7FF)
-> RS: 35,968 KB/s (8x) - WS: 26,976 KB/s (6x)
Descriptor 3...
-> B0: 0x08, B1: 0x00, B2: 0x00, B3: 0x00
-> EL: 24438783 (0x0174E7FF)
-> RS: 35,968 KB/s (8x) - WS: 35,968 KB/s (8x)