| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 730 x 870 x 950 mm | |
|---|---|---|
| seat height | 450 mm | |
| seat width | 620 mm | |
| seat depth | 600 mm | |
| backrest height | 500 mm | |
| armrest height from seat | 220 mm | |
| leg height | 200 mm | |
| floor clearance under seat | 180 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 weight | 30 kg | |
|---|---|---|
| static load capacity | 300 kg | |
| cushion foam density | 25 kg/m³ | |
| cushion foam rebound rate | 35% | |
| fabric Martindale abrasion resistance | 30000 cycles | |
| metal leg finish salt spray resistance | 72 hours | |
| 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| seat upholstery | Woven polyester fabric cover, color-blocked design | |
|---|---|---|
| backrest upholstery | Matching woven polyester fabric with rounded soft edge | |
| armrest upholstery | Color-contrasting woven polyester fabric wrapping integrated frame | |
| seat cushion fill | High-resilience polyurethane foam, 120 mm thick | |
| backrest fill | Medium-density polyurethane foam, 80 mm thick | |
| internal support frame | 1.2 mm thick steel tube inner frame for seat and back | |
| leg frame | 1.5 mm thick matte black powder-coated steel tapered legs | |
| seam construction | Stitched seams with 8 mm stitch pitch for upholstery durability | |
| 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
| seating configuration | Fixed single-seat position with no recline or swivel function | |
|---|---|---|
| arm support | Integrated wrap-around armrests providing full lateral arm support | |
| base stability | Four-point splayed metal leg layout with floor glides for hard floors | |
| posture support | Rounded enveloping backrest providing upper back lumbar support for relaxed sitting | |
| assembly requirement | Knockdown assembly required for attachment of legs to seat frame | |
| floor protection | Non-marking plastic glides fitted to leg bases to prevent floor scratches | |
| 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
| office reception area | Placed in lobbies or waiting zones for guest seating with modern aesthetic | |
|---|---|---|
| residential living room | Used as accent seating next to sofas or side tables for casual relaxation | |
| hotel lobby lounge | Deployed in pairs with small side tables for guest waiting and socializing | |
| cafe and break-out space | Arranged in casual seating clusters for customer resting and informal meetings | |
| showroom and gallery space | Used as display seating complementing modern interior design schemes | |
| 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 16139:2013 | Applicable to strength, durability and safety requirements for non-domestic seating | |
|---|---|---|
| EN 1022:2018 | Applicable to seating stability test requirements for domestic and contract use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Applicable to performance requirements for lounge and public area seating | |
|---|---|---|
| ANSI/BIFMA X5.1-2017 | Applicable reference for structural load and stability test methods |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable to general technical requirements for metal furniture structural safety | |
|---|---|---|
| GB 20400-2006 | Applicable to limit of harmful substances in leather/fabric upholstery materials | |
| GB/T 10357.3-2013 | Applicable to furniture mechanical performance test for seating strength and durability |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable to general technical requirements for metal furniture structural safety; 2. GB 20400-2006: Applicable to limit of harmful substances in leather/fabric upholstery materials; 3. GB/T 10357.3-2013: Applicable to furniture mechanical performance test for seating strength and durability; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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