1. Thermal protection coefficient: Class A: direct skin contact ≥ 126TPP/(kw s/m2), there is a gap between the skin and clothing ≥ 250TPP/(kw s/m2); B grade one; C grade one.

2. Flame retardancy: afterburning time A class ≤ 2s, B class ≤ 2s, C class ≤ 5s; smoldering time A class ≤ 2s, B class ≤ 2s, C class ≤ 5s; damage length: A class ≤ 50mm, Grade B≤100mm, Grade C≤150mm; no melting and dripping.

3. Breaking strength: ≥450N before washing, ≥400N after washing.

4. Tear strength: ≥25N before washing.

5. Moisture permeability: ≥6000g/(m2·24h).

6. Bending length: ≤3c.

7. The dimensional change rate of washing is +2.5%~-2.5%.

8. The formaldehyde content is less than 300PPM