No. | Test items | Test Standard | Standard Requirement | Test Result | Conclusion | Remark |
1 | Flame retardant properties | GB 8965.1-2020 5.1.2 | Performance indicators | Warp | Weft | Qualified | Unwashed |
After flame time | ≤2s | 0.0s | 0.0s |
After glow time | ≤4s | 0.0s | 0.0s |
Damaged length | Do not burn through | Not burnt through | Not burnt through |
Melt, drip | None | None | None |
Ambient temperature(10-30)℃ Relative humidity(30-80)% | Ambient temperature: 21℃ Relative humidity: 38% |
Performance indicators | Warp | Weft | Wash 50 times |
After flame time | ≤2s | 0.0s | 0.0s |
After glow time | ≤4s | 0.0s | 0.0s |
Damaged length | Do not burn through | Not burnt through | Not burnt through |
Melt, drip | None | None | None |
Ambient temperature(10-30)℃ Relative humidity(30-80)% | Ambient temperature: 21℃ Relative humidity: 38% |
2 | Thermal stability | GB 8965.1-2020 5.1.2 | ≤10% | Before washing | Length | 2.0% | Qualified | —— |
Width | 2.0% |
After Washing | Length | 1.5% |
Width | 1.5% |
Oven temperature: 180℃ |
3 | Formaldehyde content | GB 8965.1-2020 5.1.2 | ≤75mg/kg | Not detected (detection limit 20mg/kg) | Qualified | —— |
4 | PH | GB 8965.1-2020 5.1.2 | 4.0-8.5 | 5.9 | Qualified | —— |
5 | Peculiar smell | GB 8965.1-2020 5.1.2 | No peculiar smell | No peculiar smell | Qualified | —— |
6 | Point-to-point resistance | GB12014-2019 4.1.2 | 1×105-1×1011Ω | 5.3×1010Ω | Qualified | —— |
Ambient temperature:(20±5)℃ Relative humidity:(35±5)% | Ambient temperature: 21℃ Relative humidity: 36% |
7 | Charge surface density | GB/T 12703.2-2009 | ≤7.0 uC/m2 | Washing situation | Test Data | Qualified | —— |
Unwashed | 1.2 uC/m2 |
Ambient temperature:(20±5)℃ Relative humidity:(35±5)% | Ambient temperature: 21℃ Relative humidity: 36% |
8 | Breaking strength | GB/T 3923.1-2013 | —— | Warp | Weft | —— | —— |
460N | 376N |
Ambient temperature:(20±2)℃ Relative humidity:(65±4)% | Ambient temperature: 21℃ Relative humidity: 63% |
9 | Fabric dimensional change rate | GB/T 8628-2013 GB/T 8629-2017 GB/T 8630-2013 | —— | Warp | Weft | —— | —— |
-1.0% | -0.6% |
Ambient temperature:(20±2)℃ Relative humidity:(65±4)% | Ambient temperature: 21℃ Relative humidity: 63% |
10 | Colorfastness to Soaping | GB/T 3921-2008 | —— | Discoloration | Level 4-5 | —— | —— |
Staining | Level 4-5 |
11 | Colorfastness to Rubbing | GB/T 3920-2008 | —— | Dry friction | Warp | Weft | —— | —— |
Staining | Level 4-5 | Level 4-5 |
Wet friction | Warp | Weft |
Staining | Level 4-5 | Level 4-5 |
Ambient temperature:(20±2)℃ Relative humidity:(65±4)% | Ambient temperature: 21℃ Relative humidity: 63% |
12 | Color fastness to perspiration | GB/T 3922-2013 | —— | Color fastness to acid perspiration | Discoloration | Level 4-5 | —— | —— |
Staining | Level 4-5 |
Color fastness to alkali perspiration | Discoloration | Level 4-5 |
Staining | Level 4-5 |
13 | Color fastness to heat compression | GB/T 6152-1997 | —— | Tidal pressure | Discoloration | Staining | —— | Pressurized temperature (150±2)℃ |
Level 4-5 | Level 4-5 |
Ambient temperature:(20±2)℃ Relative humidity:(65±2)% | Ambient temperature: 21℃ Relative humidity: 64% |