| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 620 x 1050 mm | |
|---|---|---|
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Total product weight | 12 kg | |
|---|---|---|
| Static seat load capacity | 120 kg | |
| Recommended user weight limit | 110 kg | |
| Frame cyclic durability rating | 100000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg | |
| Caster Rolling Durability Reference | Acceptance target 30000 cycles | |
| Gas-lift Cycling Reference | Acceptance target 100000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest support surface | Breathable woven polyester mesh stretched over internal plastic support frame | |
|---|---|---|
| Lumbar support zone | Molded contoured hard plastic panel with mesh overlay at mid-back | |
| Seat core cushion | Molded high-density polyurethane foam, 80mm thick | |
| Seat upholstery | Black abrasion-resistant woven fabric covering entire seat cushion | |
| Armrest tops | Hard molded black polypropylene flat arm pads fixed to frame | |
| Cantilever leg frame | 1.8mm thick black powder-coated steel tube, continuous sled base | |
| Frame foot glides | Injection-molded black nylon floor glides at all base contact points | |
| Frame connection hardware | Zinc-plated steel bolts securing seat and back to leg frame | |
| 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 | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seat position | Fixed non-adjustable height and depth, optimized for standard 760 mm height conference desks | |
|---|---|---|
| Backrest action | Fixed ergonomic lumbar contour with flexible mesh give, no tilt or recline mechanism | |
| Armrest position | Fixed height and position, provides arm support for typing and seated meetings | |
| Base mobility | Floor-placed sled base with glides, no casters, resists sliding on hard floors | |
| Back ventilation | Open mesh upper back allows continuous air flow to reduce heat build-up during long meetings | |
| Floor protection | Soft nylon glides prevent scuffing on hardwood, tile and vinyl office flooring | |
| 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
| 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
| Conference and meeting rooms | Fixed stable design for multi-hour meeting use at standard height conference tables | |
|---|---|---|
| Visitor and reception areas | Professional black aesthetic and non-rolling base for formal guest seating in reception zones | |
| Training room seating | Stackable-compatible cantilever frame allows compact storage between training sessions | |
| Open office workstations | Breathable mesh back for extended seated work at open plan desk positions | |
| Healthcare and public waiting areas | Easy-to-clean fabric and mesh surfaces for high-traffic public waiting zones | |
| 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
| Office furniture seating stability | EN 1335:2009 | |
|---|---|---|
| Office chair strength and durability | EN 16139:2013 |
US and Canada office-furniture standards
| Fixed seating performance standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Low-back task chair load requirements | ANSI/BIFMA X5.1 Test 5, 11, 13 |
Standards applicable to China-market projects
| Office chair structural safety | GB/T 3326 | |
|---|---|---|
| Formaldehyde emission limits | GB 18584 |
This product must meet the following technical requirements: 1. Office chair structural safety: GB/T 3326; 2. Formaldehyde emission limits: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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