Product detail:CHAIR CONFIGURATION- ESD Safe Vinyl Upholstery- Chrome Plated Gaslift Pump- Chrome Plated Gaslift Mechanism c/w Cast Aluminium Socket- Chrome Plated Seat-backrest adjoining piece (for chairs only)- Polished one-piece Cast Aluminium Base, 5-Prong- Choice of ESD Safe Non-marking Black Polyamide Castors, Conductive Chrome Castor or Conductive Non-marking Black Rubber Glides- Built-in Class 100 HEPA Filters on Backrest and below the seat - Stainless steel Bolts, Nuts, Washers & Screws- Adjustable height Chrome Plated Footring (for High Chairs/Stools Only) UPHOLSTERY MATERIAL SPECS Material : Cleanroom compatible Static-Dissipative Vinyl Fabric with buried Conductive Layer and permanent ESD Safe property Colour : Royal Blue i) ELECTRICAL PROPERTIES RESISTANCE RTT - Surface, Top-to-Top (EOS/ESD S4) @10V, 12%RH (R TT ) : 10E6 - 10E7 Ohms @100V, 50%RH (R TT ) : 10E6 - 10E7 Ohms RESISTANCE RTG - Surface, Top-to-Groundable Point (EOS/ESD S4) @10V, 12%RH (R TG ) : 10E6 - 10E7 Ohms @100V, 50%RH (R TG ) : 10E6 - 10E7 Ohms ii) PHYSICAL PROPERTIES Grab Tensile (FED. Test STD. 19 1b, Method 5100) : 100 - 150 1bs Tear (FED. Test STD. 19 1b, Method 5134 - Tongue) : 15 - 20 1bs Flame Resistance - Horizontal Burn Test (Motor Vehicle Safety STD 302) : PASS Hydrostatic Burst Test - MULLEN (FED. Test STD. 191, Method 5512) : 105 psi Weight : 19 oz/sq yd iii) BUILT-UP CHAIR ESD SPECS Resistance-to-Ground (EOS/ESD-S4.1) (From Upholstered surface of chair to Groundable point) : 10E6 - 10E7 Ohms