| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 550 x 590 x 830 mm | |
|---|---|---|
| Seat height (top of cushion to floor) | 485 mm | |
| Seat cushion width | 480 mm | |
| Seat cushion depth | 450 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest height (top of seat to top of back) | 400 mm | |
| Backrest thickness | 60 mm | |
| Armrest height (top of arm to floor) | 660 mm | |
| Armrest pad length | 300 mm | |
| Armrest tube diameter | 16 mm | |
| Leg tube wall thickness | 1.5 mm | |
| Front leg splay (outer width at floor) | 570 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 chair | 8.7 kg | |
|---|---|---|
| Recommended static load capacity | 150 kg | |
| Cushion foam density | 30 kg/m³ | |
| Cushion foam rebound rate | 45% | |
| Upholstery abrasion resistance (Martindale) | 30000 cycles | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| Warranty period | 2 years | |
| 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
| Seat and back upholstery | Light beige polyester linen-look fabric | |
|---|---|---|
| Seat cushion core | High-density polyurethane foam over 9 mm plywood insert | |
| Backrest core | Medium-density polyurethane foam over curved plywood support | |
| Armrest pads | Matching light beige fabric-wrapped foam over metal tube arm supports | |
| Structural frame | Matte black powder-coated tubular steel | |
| Legs | Tapered matte black powder-coated steel tubes with plastic floor glides | |
| Frame weld points | Reinforced TIG welded joints at leg, seat rail and arm connections | |
| Upholstery backing | Non-woven polyester fabric dust cover under seat base | |
| 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
| Frame configuration | Fixed rigid welded four-leg structure with no moving adjustment parts | |
|---|---|---|
| Seating support | Fixed semi-firm padded seat with no tilt, swivel or height adjustment | |
| Arm support | Fixed integrated padded armrests providing forearm support during dining | |
| Floor protection | Plastic glides at each leg base to prevent hard floor scratching | |
| Assembly structure | Knock-down (KD) assembly with frame sections connected via included hardware | |
| Stacking compatibility | Not designed for vertical stacking due to fixed arm and leg geometry | |
| 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
| Residential dining space | Suitable for home dining rooms paired with standard 750 mm height dining tables | |
|---|---|---|
| Commercial food service | Suitable for cafes, casual restaurants and hotel dining areas | |
| Home office secondary seating | Suitable for use as a guest chair alongside home office desks | |
| Matching configuration | Recommended purchased in sets of 2 or 4 for cohesive table setting | |
| Floor compatibility | Suitable for use on hardwood, tile and low-pile carpeted floors | |
| Style pairing | Works with modern, minimalist, industrial and Scandinavian 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 12520:2015 | Applicable European standard for domestic and contract dining chair strength, durability and stability | |
|---|---|---|
| EN 1022:2018 | Applicable standard for seating stability testing for non-adjustable domestic chairs |
Standards applicable to China-market projects
| GB 18584-2001 | Applicable standard for indoor furniture formaldehyde emission limit for composite components | |
|---|---|---|
| GB/T 3324-2017 | Applicable general technical requirement standard for wooden furniture components (internal plywood) |
This product must meet the following technical requirements: 1. GB 18584-2001: Applicable standard for indoor furniture formaldehyde emission limit for composite components; 2. GB/T 3324-2017: Applicable general technical requirement standard for wooden furniture components (internal plywood); Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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