| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 600 x 600 x 900 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
| Net chair weight | 18 kg | |
|---|---|---|
| Recommended static user load | 150 kg | |
| Seat foam density | 50 kg/m³ | |
| Back foam density | 35 kg/m³ | |
| Foam rebound rate | 60% | |
| PU upholstery abrasion resistance | 50000 rub cycles | |
| Frame static load capacity | 300 kg | |
| Structural warranty | 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
| Structural frame | 15mm thick bent solid wood with reddish-brown baked paint finish | |
|---|---|---|
| Internal support board | 12mm thick multilayer plywood under upholstery | |
| Seat padding | High-density resilient polyurethane foam | |
| Back padding | Medium-density polyurethane foam | |
| Upholstery material | 1.2mm thick black wear-resistant PU leather | |
| Armrest construction | Integral bentwood continuous with front legs and back uprights | |
| Leg construction | Solid square-section straight wood legs with anti-slip foot pads | |
| Fastening hardware | Zinc-plated steel screws and joint connectors | |
| Seam stitching | 8 stitches per inch reinforced polyester thread | |
| 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
| Seat positioning | Fixed upright seat angle of 3 degrees for formal meeting posture | |
|---|---|---|
| Backrest support | Fixed 100-degree upright back angle for lumbar support | |
| Arm support | Fixed integrated bentwood armrests for forearm support during meetings | |
| Mobility | Stationary fixed four-leg design with no swivel, casters or lift mechanism | |
| Cleaning feature | Smooth PU upholstery and painted wood finish for wipe-clean maintenance | |
| Assembly design | Knock-down construction with pre-drilled frame joints | |
| Floor protection | Anti-slip rubber foot pads on each leg base to prevent floor scratching | |
| Upholstery tension | Taut fixed upholstery with no sag for extended commercial 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
| 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 conference rooms | Formal upright seating for meeting and boardroom table configurations | |
|---|---|---|
| Office guest and reception areas | Stationary visitor seating with professional wood-trim aesthetic | |
| Government and institutional meeting spaces | Durable commercial-grade design for high-traffic public sector use | |
| Training room setups | Fixed-position seating aligned to training tables for multi-hour sessions | |
| Executive front desk areas | Formal guest seating for reception and visitor waiting zones | |
| Hearing and meeting room facilities | Sturdy non-swivel design compliant with formal public meeting requirements | |
| 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
| EN 12520:2015 | Strength, durability and safety requirements for non-domestic seating | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignitability test for smouldering cigarette resistance | |
| EN 1335-2:2009 | Safety requirements for office work chairs, applicable to structural performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs safety and performance standard for structural load testing |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to frame and finish quality | |
|---|---|---|
| GB/T 16799-2008 | Technical standard for polyurethane leather upholstery material performance | |
| GB 18584-2001 | Indoor decoration material limit of harmful substances for wooden furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to frame and finish quality; 2. GB/T 16799-2008: Technical standard for polyurethane leather upholstery material performance; 3. GB 18584-2001: Indoor decoration material limit of harmful substances for wooden furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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