上课把女同桌内裤摸湿,一线高清视频在线观看www国产,色综合伊人色综合网站下载,男人边吃奶摸下边免费视频,精品综合久久久久久蜜月

【Scope of application】

It is used to test the burning performance of the time it takes for the flame to spread to a specified distance in the horizontal direction and expressed by the flame spread rate.

【Related standards】

FZ/T 01028; GB8410

【technical parameter】

1. The timing range is 0.1s～999.9s

2. The timing accuracy is 0.1s

3. The distances from the marking line to the ignition point of the sample are respectively: 38mm, 138mm, 292mm

4. Keep flame height: <5mm

5. Combustion box size: 400mm×214mm×416mm

6. Gas input pressure: 2kPa～20kPa

7. Power supply: AC220V±10% 50Hz

8. Dimensions: 430mm×230mm×550mm

9. Weight: 19Kg