| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 535 x 555 x 840 mm | |
|---|---|---|
| Seat height | 470 mm | |
| Seat cushion dimensions | 500 x 450 mm | |
| Seat cushion thickness | 150 mm | |
| Backrest height (above seat) | 370 mm | |
| Armrest height (above floor) | 660 mm | |
| Footrest crossbar height (above floor) | 180 mm | |
| Backrest slat count | 5 | |
| Frame tube outer diameter | 25 mm | |
| Frame leg square footprint | 480 x 470 mm | |
| Seat frame inner clearance width | 460 mm | |
| Armrest top rail width (inner) | 450 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 per unit | 10 kg | |
|---|---|---|
| Recommended static load capacity | 227 kg | |
| Seat foam density | 30D | |
| Foam rebound rate | 60% | |
| Frame powder coating abrasion resistance | 500 cycles | |
| Recommended service life (residential use) | 36000 cycles | |
| Floor protection glide load rating per leg | 57 kg | |
| Available stock color variants | 3 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame structure | 1.8mm thick cold-rolled steel tubing | |
|---|---|---|
| Frame finish | Matte black electrostatic powder coating | |
| Seat cushion core | 30D high-resilience polyurethane foam | |
| Cushion upholstery | 0.8mm thick matte linen-blend fabric | |
| Seat support panel | 6mm thick plywood base under cushion | |
| Foot glides | Non-marking rubber end caps on each leg | |
| Backrest slats | Same 25mm diameter steel tubing as main frame | |
| Footrest crossbar | Same steel tubing as frame, welded to leg structure | |
| Seam construction on cushion | 7 stitches per inch seam pitch | |
| 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
| Seating position use | Fixed upright seating posture with 100° backrest angle | |
|---|---|---|
| Arm support | Integrated continuous curved armrests for full forearm support | |
| Foot support | Lower square cross stretcher acts as fixed footrest | |
| Floor protection | Rubber glides on all four legs eliminate hard floor scratching | |
| Cushion installation | Fixed non-slip seat cushion secured to metal seat frame | |
| Stacking capability | Non-stackable fixed frame design | |
| Adjustment features | No height, swivel, or tilt adjustment mechanisms | |
| Cleaning requirement | Spot-cleanable fabric cushion cover, wipe-clean metal frame | |
| 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
| Home tea room application | Pair with solid wood or stone tea tables for dedicated tea service seating | |
|---|---|---|
| Dining room use | Use as head/side dining chair around 750mm height dining tables | |
| Commercial reception area use | Deploy in hotel lobbies, teahouses or office reception zones | |
| Study room seating | Place beside study desks for reading or casual work | |
| Cafe bistro use | Use for casual cafe seating with small square/round tables | |
| Balcony casual seating | Pair with small side tables for balcony relaxation | |
| 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 | Applicable for strength, durability and safety requirements for domestic seating | |
|---|---|---|
| EN 1022:2018 | Applicable for seating stability determination for non-domestic/domestic chairs |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable as performance reference for general-purpose office/guest chairs |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable for general technical requirements of wooden/metal household furniture | |
|---|---|---|
| GB 18584-2001 | Applicable for limit of harmful substances in wood furniture upholstery | |
| GB/T 10357.3-2013 | Applicable for mechanical performance test of chair and stool seating |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable for general technical requirements of wooden/metal household furniture; 2. GB 18584-2001: Applicable for limit of harmful substances in wood furniture upholstery; 3. GB/T 10357.3-2013: Applicable for mechanical performance test of chair and stool seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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