上半部材质

Upper part

靠背及坐垫back&cushion

防静电聚丙烯一体成型

ESD pp injection molded

底盘seat panel

3mm厚冷轧钢板

cold rolling steel plate

支柱stand

无油气缸或螺杆牙套

oil free air cylinder or screw rod busher

下半部支架

Down part

五爪支持座5 star base

①    R320铸铝抛光镀硬铬处理

chrome plated aluminium

②    R250冷板镀铬处理

chrome plated steel

脚轮caster

导电尼龙转轮或蘑菇形塑料轮conductive nylon casters or vinyl stands

工作参数

Work size

椅座椅背尺寸back&seat size

20(W)×440(D) ×460(H)mm

座位高度seat height

450mm

防静电指标

ESD feature

表面电阻率surface resistivity

10⁴~10⁷

对地电阻resistance to ground

5×10⁶Ω