Tus tawg-proof classification dii. bt4 rau hluav taws xob khoom surpasses dii., Txawv xwb nyob rau hauv cov hoob kawm 4 Thiab 2.
Cov hluav taws xob hluav taws xob | Qhov chaw uas muaj hluav taws xob (°C) | Roj/vapor ignition kub (°C) | Siv ntau ntau yam kub |
---|---|---|---|
T1 | 450 | >450 | T1.T6 |
T2 | 300 | >300 | T2.T6 |
T3 | 200 | >200 | T3.T6 |
T4 | 135 | >135 | T4.T6 |
T5 | 100 | >100 | T5.T6 |
T6 | 85 | >85 | T6 |
Classification T4 specifies tias cov roj ignition kub yog tsis tau muaj 135°C, whereas T2 pub rau kub li 300°C.
Ignition kub yog faib ua rau pawg, xws li ntawm T1 mus rau T6, Nrog txhua qeb qeb tau suitable rau cov neeg mob uas tag nrho preceding pawg.