| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 520 x 500 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
| Net weight | 12 kg | |
|---|---|---|
| Static seat load capacity | 150 kg | |
| Recommended user weight limit | 120 kg | |
| Seat cushion foam density | 40 kg/m³ | |
| Foam rebound rate | 45% | |
| Frame joint static load cycle rating | 10000 cycles | |
| Floor contact point count | 4 | |
| 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Main frame | Ebonized dark solid wood with lacquered finish | |
|---|---|---|
| Backrest slats | Bent solid wood matching frame finish | |
| Seat base panel | 12mm thick plywood support under cushion | |
| Seat upholstery | Light gray wear-resistant linen-look fabric | |
| Seat padding | High-resilience polyurethane foam | |
| Decorative accents | Polished brass metal caps on top rail ends and feet | |
| Joinery | Traditional mortise-and-tenon wood joints with reinforced corner brackets | |
| Foot pads | Brass outer cap with inner felt anti-scuff layer | |
| 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
| Back support | Curved vertical slat backrest provides lumbar alignment for upright dining posture | |
|---|---|---|
| Seat comfort | Padded upholstered seat reduces pressure during 2 hour meal sessions | |
| Floor protection | Brass foot caps with felt liners prevent scratches on hard flooring | |
| Stability reinforcement | Dual perimeter stretchers connect all four legs to eliminate frame wobble | |
| Stacking capability | Non-stackable fixed frame design | |
| Cleaning access | Smooth lacquered wood surface allows wipe-down cleaning with mild detergents | |
| Armless design | No armrests allow full tuck-in under standard dining tables to save space | |
| 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 dining spaces | Matches dark wood new Chinese style dining sets for formal dining rooms | |
|---|---|---|
| Tea rooms and reception areas | Suits traditional Chinese style tea house guest seating | |
| Hotel private dining rooms | Durable solid wood construction for high-traffic hospitality dining venues | |
| Study room desk seating | 450mm seat height works with 750mm tall writing desks for upright work | |
| Commercial club lounge areas | Cohesive styling for membership clubs with oriental themed interior design | |
| 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 standard for domestic seating, covering strength, stability and durability | |
|---|---|---|
| EN 1022:2018 | Applicable standard for seating stability testing for domestic wooden chairs |
Standards applicable to China-market projects
| GB 18584-2001 | Applicable standard for indoor furniture, limiting formaldehyde emissions from wood materials |
|---|
This product must meet the following technical requirements: 1. GB 18584-2001: Applicable standard for indoor furniture, limiting formaldehyde emissions from wood materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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