| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 630 x 990 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Seat usable dimensions | 480 mm (width) x 460 mm (depth) x 60 mm (foam thickness) | |
| Backrest usable dimensions | 470 mm (width) x 540 mm (height) | |
| Adjustable lumbar support pad dimensions | 240 mm (width) x 120 mm (height) | |
| Fixed armrest dimensions | 260 mm (length) x 70 mm (width) x 230 mm (height above seat) | |
| Cantilever sled base footprint | 580 mm (front-back length) x 570 mm (left-right width) | |
| Steel cantilever frame tube diameter | 22 mm | |
| Seat front edge overhang past frame | 70 mm | |
| Floor glide height | 8 mm | |
| Knee clearance under seat | 220 mm minimum at front edge | |
| Finished Seat Cushion Thickness | 90mm | |
| Backrest Padding Thickness | 70mm | |
| Lumbar Support Zone Height | 240mm | |
| Clear Width Between Armrests | 540mm |
Net weight / load capacity / users / durability
| Assembled net weight | 16kg | |
|---|---|---|
| Recommended static user weight limit | 120 kg | |
| Cantilever frame static load capacity | 800 N applied to rear of backrest without permanent deformation | |
| Seat cushion foam density | 50kg/m³ high resilience foam | |
| Seat foam rebound rate | 45% | |
| Mesh backrest tension strength | ≥2000 N pull force across mesh surface without tearing | |
| Fabric seat abrasion resistance | ≥50000 Martindale cycles | |
| Cantilever frame fatigue cycle rating | ≥120000 rocking cycles without structural failure | |
| Seat upholstery abrasion resistance | ≥50000 Martindale cycles | |
| Floor glide scratch resistance | No visible surface damage to vinyl, wood or tile flooring after 1000 sliding cycles under full rated load |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest mesh | Breathable woven polyester mesh, tensioned within PP frame | |
|---|---|---|
| Back support frame | Injection-molded matte black polypropylene outer frame, structured to hold mesh tension | |
| Lumbar support pad | Injection-molded PP support with padded contact surface, adjustable vertically along backrest | |
| Seat core | Contoured molded plywood inner shell (12mm thickness reference) with high resilience foam padding | |
| Seat upholstery | Woven black polyester fabric, seam stitch pitch 10 stitches per inch | |
| Fixed armrests | Matte black injection-molded PP, integrated support post and padded arm top, fixed to seat frame | |
| Cantilever base frame | 1.8mm thick cold-rolled steel tube, matte black powder-coated finish, formed continuous sled shape | |
| Floor contact glides | Injection-molded black nylon non-marking feet, 4 pieces mounted at base floor contact points | |
| Frame connection hardware | Zinc-plated steel M8 bolts connecting seat/back assembly to cantilever frame, anti-loosening lock washers | |
| Back outer frame | Injection-molded matte black polypropylene, 5mm wall thickness, contoured to hold uniform mesh tension across the backrest | |
| Seat inner shell | Contoured molded plywood, 12 mm thickness reference, bonded to high resilience foam padding for rigid seat support | |
| Seat foam padding | High resilience polyurethane foam, 60 mm thickness, molded with a waterfall front edge to reduce leg pressure |
Adjustment / rotation / tilt / mobility / storage features
| Lumbar support adjustment | Height-adjustable lumbar pad slides 60mm vertically along backrest tracks to match user lumbar curve | |
|---|---|---|
| Cantilever rocking flexibility | Continuous steel sled frame provides 10° natural gentle rock when seated, no tilt lock mechanism | |
| Back support function | Tensioned mesh backrest flexes 15mm under user back pressure to provide dynamic lumbar support without manual tension adjustment | |
| Fixed armrest support | Fixed height armrests provide stable forearm support aligned with 760mm standard office desk height, no rotation or height adjustment | |
| Floor protection function | Nylon glides slide smoothly on hard floors and low-pile carpet, no sharp metal contact with flooring surface | |
| Stacking capability | Non-stacking design, intended for stationary placement at meeting tables and reception areas | |
| Seat ergonomics | Contoured waterfall seat front edge reduces pressure on back of thighs for sitting durations up to 4 hours continuous use | |
| Cleaning function | Mesh back and fabric seat can be spot-cleaned with mild upholstery cleaner, powder-coated frame wipes clean with damp cloth | |
| Cleaning and maintenance | Mesh back and fabric seat can be spot-cleaned with pH-neutral mild upholstery cleaner, powder-coated steel frame and PP components wipe clean with a damp cloth, no removable/washable seat covers | |
| Backrest recline angle from vertical | 10° fixed | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120kg |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40minutes per set | |
| Reference Carton Dimensions | 850 × 420 × 720mm | |
| Reference Packaged Gross Weight | 23kg/set | |
| Reference Carton Volume | 0.26m³/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 meeting rooms | Suited for placement around conference tables, fixed height aligns with standard 750mm meeting tables for natural forearm support | |
|---|---|---|
| Reception and waiting areas | Stable cantilever base and open mesh back create a professional appearance for guest seating in lobbies and waiting zones | |
| Open office visitor seating | Placed at workstations for guest use during collaborative discussions, no rolling casters prevent unintended movement during conversations | |
| Training room seating | Suitable for training environments where stable, non-swivel seating is preferred to keep attendees oriented toward presentation areas | |
| Government and institutional public areas | Durable steel frame and easy-to-clean surfaces meet high-traffic public seating requirements | |
| SOHO home office guest seating | Compact overall footprint fits small home office spaces for occasional visitor use without occupying excessive floor space | |
| Corporate conference rooms | Suited for placement around standard 750 mm height conference tables, fixed seat height aligns with table height for natural forearm support during 3 hour meetings | |
| Corporate training rooms | Suitable for training environments where stable, non-swivel, non-reclining seating is preferred to keep attendees oriented toward presentation screens or instructors |
European market access and chemical requirements
| Recommended applicable EN standard for stability | EN 16139:2013, Furniture - Strength, durability and stability - Non-domestic seating, applicable for level 2 (general office) performance testing | |
|---|---|---|
| Recommended applicable EN standard for safety | EN 1728:2012, Furniture - Seating - Test methods for the determination of strength and durability, applicable for cyclic load testing of frame and seat | |
| Recommended applicable EN standard for flammability | EN 1021:2014, Upholstered furniture - Ignition resistance - Smouldering cigarette, applicable for fabric and foam flammability acceptance | |
| Recommended applicable EN seating strength standard | EN 16139:2013 Furniture - Strength, durability and stability - Non-domestic seating, applicable for Level 2 (general office) performance testing of frame, seat and back | |
| Recommended applicable EN seating test standard | EN 1728:2012 Furniture - Seating - Test methods for the determination of strength and durability, applicable for cyclic load and fatigue testing of the cantilever frame | |
| Recommended applicable EN flammability standard | EN 1021:2014 Upholstered furniture - Ignition resistance - Part 1: Smouldering cigarette, applicable for fabric and foam flammability acceptance for public space use |
US and Canada office-furniture standards
Standards applicable to China-market projects
| Recommended applicable GB standard for ergonomics | GB/T 38607 Office furniture - Office chairs, applicable to static load, durability, and dimensional acceptance for this visitor chair | |
|---|---|---|
| Recommended applicable GB standard for materials | GB 18584 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applicable for formaldehyde emission testing of seat plywood components | |
| Recommended applicable GB standard for metal finish | GB/T 3323 Metal furniture general technical requirements, applicable to powder coating adhesion and corrosion resistance on steel base | |
| Recommended applicable GB ergonomics standard | GB/T 38607 Office furniture - Office chairs, applicable for dimensional verification, static load, and durability acceptance for this visitor chair | |
| Recommended applicable GB material emissions standard | GB 18584 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applicable for formaldehyde emission testing of the molded plywood seat shell | |
| Recommended applicable GB metal furniture standard | GB/T 3323 Metal furniture general technical requirements, applicable to powder coating adhesion, salt spray corrosion resistance, and weld strength acceptance for the steel cantilever base |
This product must meet the following technical requirements: 1. Recommended applicable GB standard for ergonomics: GB/T 38607 Office furniture - Office chairs, applicable to static load, durability, and dimensional acceptance for this visitor chair; 2. Recommended applicable GB standard for materials: GB 18584 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applicable for formaldehyde emission testing of seat plywood components; 3. Recommended applicable GB standard for metal finish: GB/T 3323 Metal furniture general technical requirements, applicable to powder coating adhesion and corrosion resistance on steel base; 4. Recommended applicable GB ergonomics standard: GB/T 38607 Office furniture - Office chairs, applicable for dimensional verification, static load, and durability acceptance for this visitor chair; 5. Recommended applicable GB material emissions standard: GB 18584 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applicable for formaldehyde emission testing of the molded plywood seat shell; 6. Recommended applicable GB metal furniture standard: GB/T 3323 Metal furniture general technical requirements, applicable to powder coating adhesion, salt spray corrosion resistance, and weld strength acceptance for the steel cantilever base; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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