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 for the abrasion resistance test of various textiles, and also for the abrasion resistance test of materials such as leather, carpet, rubber, and plastic sheet.

【Related standards】

ISO5470-1 ASTM D3884, DIN53863.2

【technical parameter】

1.1 Diameter of working plate: Ф115mm

1.2 Rotation speed of working plate: 50--90r/min, speed can be adjusted arbitrarily

1.3 Overall dimensions of grinding wheel: diameter Ф50mm 13mm thick

1.4 Counting method: electronic counting 0～999999 times Arbitrary setting, plus and minus two counting modes

1.5 Pressurizing method: relying on the self-weight of the pressurizing sleeve 250g or adding a combination of weights

1.6 Weight of weight:

Weight (1): 125g a pair (balance weight)

Weights (2): 250g a pair (pressure weights)

Weights (3): 750g a pair (pressure weights)

1.7 Maximum thickness of sample: 20mm

1.8 Vacuum cleaner: Type A1-8237F Adjustable air volume

1.9 Maximum power consumption: 40W

1.10 Power supply: voltage 220V frequency 50Hz

1.11 Overall dimensions of the instrument: 460×340×360 (L×W×H) mm (excluding vacuum cleaner)

1.12 Net weight: 30Kg (excluding vacuum cleaner)