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Upholstered Stick Fixed Chair - Upholstered Fixed Chair, With Metal Structure Type 04 (Four) Independent Stick-Shaped Feet, Made Of Round Industrial Carbon Steel Tube With External Diameter Of 7/8 Inch (Approximately 22.22 Mm) And Metal Sheet With A Minimum Thickness Of 1.2 Mm (Plate 18), Joined By Continuous Mig/Mag Welding Process, Structurally Solid And Free Of Burrs, Slag Or Porosities. The Ends Of The Feet In Contact With The Floor Must Be Provided With Tips Or Shoes Made Of High-Resistance Polypropylene Or Injected Nylon, Fixed Under Pressure, With A Non-Slip Base For Leveling And Protecting The Floor. The Metallic Structure Must Receive Previous Antirust Treatment, Including Degreasing, Pickling And Zinc-Based Phosphating, Followed By A Hybrid Electrostatic Powder Painting (Epoxy-Polyester) Finish With Oven Curing And A Minimum Layer Thickness Of 40 Micrometers, In A Color To Be Defined By The Contractor. The Seat And Back Must Have A Base (Chassis) Made Of Hot Anatomically Molded Multi-Laminated Wooden Plywood, With A Minimum Thickness Of 12 Mm For The Seat And 10 To 12 Mm For The Back, Equipped With Built-In Steel Claw Nuts For Securely Fixing The Screws To The Metal Structure. The Upholstery Of Both Pieces Must Be Made Of Flexible, Cold-Injected Polyurethane Foam (Pu), Highly Resilient And Cfc-Free, With A Controlled Density Between D-45 And D-55 Kg/M³, Which Guarantees A Minimum Thickness Of 40 Mm On The Seat (Which Must Have A Slightly Rounded Front Edge In A Waterfall Format) And Minimum Thickness Of 30 Mm On The Backrest. The Edges Must Have A Francis-Type Pvc Protection Profile Or Injected Polypropylene Protection Backing. The Covering Must Be Made Of 100% Heavy Weight Polyester Fabric (Minimum 250 G/M²) Or Plastic Laminate Like Courvin/Synthetic Leather With Mesh Reinforcement, Fixed And Stapled Under Continuous Tension Without Presenting Wrinkles, In The Color To Be Defined By The Body. The, Iso Fixed Chair - Fixed Chair, Iso Standard Model, With Metal Structure Type 04 (Four) Independent Feet, Slag Or Porous. The Pipe Terminations In Contact With The Floor Must Be Provided With Shoes Or Tips Made Of Polypropylene (Pp) Or Injected Nylon, For Leveling, Noise Reduction And Floor Protection. The Metallic Structure Must Undergo Prior Anti-Rust Treatment (Degreasing, Pickling And Zinc-Based Phosphating), Followed By A Hybrid Electrostatic Powder Painting Finish (Epoxy-Polyester) With Curing In An Oven At Approximately 200°C And A Minimum Layer Thickness Of 40 Micrometers, In Black (Or To Be Defined). By The Contractor). The Seat And Back Must Be Made Of 100% Recyclable Polypropylene Copolymer (Pp), Injected Under High Pressure, With A Minimum Thickness Of 4 To 5 Mm, Textured Finish And Anatomical Shape, Featuring Ergonomic Curvatures That Guarantee User Comfort. The Seat Must Have A Rounded Front Edge So As Not To Harm The Blood Circulation Of The Lower Limbs, And The Seat And Backrest Must Be Attached To The Metal Structure Using Screws, Snap Rivets Or A Reinforced Fitting System That Makes Accidental Detachment Impossible. The Structural Assembly Must Support Continuous Static Load Of At Least 110 Kg To 120 Kg. The Approximate Dimensions (Allowing Tolerance Of ± 5%) Must Be: Seat Width Of 460 Mm, Pr
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