Specifications: raws li kev kos duab
Txheej txheem: compression lossis txhaj tshuaj
Hardness: 60 mus rau 70 ° ( kam rau ua ± 3 ° lossis ± 5 °)
Xim: rau roj hmab feem ntau yog xim dub
Kev ua tau zoo: kev laus ua haujlwm, ozone tsis kam, roj tsis kam, kua muag thiab abrasions kuj
Lub Sijhawm Lead: