| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall product dimensions | 608 x 490 x 840 mm | |
|---|---|---|
| Seat height from floor | 455 mm | |
| Seat usable depth | 475 mm | |
| Seat cushion width | 465 mm | |
| Backrest total height above seat | 355 mm | |
| Backrest width | 435 mm | |
| Armrest height above seat surface | 230 mm | |
| Total armrest height from floor | 680 mm | |
| Front sled base width | 553 mm | |
| Rear frame depth | 490 mm | |
| Seat cushion thickness | 75 mm | |
| Backrest upper support slope | 26° | |
| Backrest lumbar slope | 41° | |
| Armrest pad width | 100 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm |
Net weight / load capacity / users / durability
| Net weight per chair | 10.8 kg | |
|---|---|---|
| Maximum recommended static load capacity | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Frame steel tube wall thickness | 1.5 mm | |
| Seam stitch pitch for upholstery | 8 stitches per 30 mm | |
| Fabric abrasion resistance | 50000 Martindale cycles | |
| Expected commercial use warranty period | 3 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Main support frame | 1.5mm thick cold-rolled steel tube with matte black powder-coated finish | |
|---|---|---|
| Backrest panel | PA+30% fiberglass reinforced molded black plastic with split contoured lumbar ridges | |
| Seat cushion core | 45# high-density molded polyurethane foam with 12mm plywood support insert | |
| Seat upholstery | 3mm thick double-layer warp-knitted polyester fabric in dark teal finish | |
| Seat underside shell | Injection-molded black PP plastic structural support base | |
| Fixed armrests | Injection-molded black PP plastic mounted directly to steel side frames | |
| Folding pivot mechanism | Zinc-plated steel hinge joints with round side release lock knobs | |
| Floor contact glides | High-density non-slip black PP feet attached to sled leg ends | |
| Surface finish on frame | Electrostatic powder coating with scratch-resistant matte black texture | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm |
Adjustment / rotation / tilt / mobility / storage features
| Folding operation | Side-mounted round release knobs unlock pivot hinges to fold backrest flat against seat for compact storage | |
|---|---|---|
| Back support function | Split two-piece contoured back with horizontal lumbar ridges maintains seated spinal alignment during long training sessions | |
| Arm support function | Fixed horizontal armrests provide stable forearm support during note-taking or meetings, no height or angle adjustment | |
| Floor protection function | Integrated PP sled glides prevent floor scratching and allow gentle repositioning on hard floors without casters | |
| Seating stability | Four-point angled sled leg design provides wide stance to prevent tipping during normal seated use | |
| Storage compatibility | Folded profile allows compact nesting for high-density storage in training or meeting room storage closets | |
| Locking function | Pivot hinges lock automatically in open position to prevent accidental folding during use | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Height Adjustment Stroke | 100 mm continuous travel | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Shipping carton external dimensions | 1080 x 450 x 700 mm | |
|---|---|---|
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Corporate training rooms | Suitable for multi-hour training sessions with ergonomic lumbar support and stable armrests for note-taking | |
|---|---|---|
| Conference/meeting rooms | Provides consistent guest seating for meetings without requiring adjustable swivel mechanisms | |
| Educational institution classrooms | Durable folding design allows easy setup and teardown for seminar-style classes and student events | |
| Event and breakout spaces | Compact folded storage enables quick deployment for temporary events, workshops and breakout sessions | |
| Open plan collaboration zones | Lightweight sled-base design supports easy repositioning for impromptu team meetings | |
| Public waiting areas | Scratch-resistant frame and durable fabric hold up to high-traffic public waiting and reception use | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| Domestic furniture seating strength | EN 12520:2015 | |
|---|---|---|
| Seating stability determination | EN 1022:2018 | |
| Office furniture visitor seating | EN 1335:2009 | |
| Upholstered furniture fabric flammability | EN 1021:2014 | |
| Backrest static load resistance | 760 N |
US and Canada office-furniture standards
| General purpose office chairs static load | ANSI/BIFMA X2017Clause 5 | |
|---|---|---|
| Chair stability test requirement | ANSI/BIFMA X2017Clause 7 | |
| Armrest vertical load test | ANSI/BIFMA X2017Clause 12 | |
| Chair durability cycle test | ANSI/BIFMA X2017Clause 8 |
Standards applicable to China-market projects
| Office chair mechanical safety | GB/T 3326 | |
|---|---|---|
| Furniture seating strength and durability | GB/T 10357.3 | |
| Upholstered furniture formaldehyde limit | GB 18587 | |
| Metal furniture coating performance | GB/T 3325 |
This product must meet the following technical requirements: 1. Office chair mechanical safety: GB/T 3326; 2. Furniture seating strength and durability: GB/T 10357.3; 3. Upholstered furniture formaldehyde limit: GB 18587; 4. Metal furniture coating performance: GB/T 3325; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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