| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 580 x 580 x 830 mm | |
|---|---|---|
| Seat height | 490 mm | |
| Seat width | 480 mm | |
| Seat depth | 450 mm | |
| Backrest height | 380 mm | |
| Armrest height above seat | 180 mm | |
| Armrest overall width | 580 mm | |
| Leg tube diameter | 18 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest padding thickness | 60 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net weight per chair | 8 kg | |
|---|---|---|
| Static load capacity | 136 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 45% | |
| Fabric abrasion resistance | 30000 Martindale cycles | |
| Adjustable glide height adjustment | 8 mm | |
| Recommended number of users | 1 | |
| Frame static load rating per leg | 50 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat upholstery | Woven polyester fabric | |
|---|---|---|
| Seat core | 12 mm thick plywood base board | |
| Seat cushion | High-resilience polyurethane foam | |
| Backrest upholstery | Matching beige polyester fabric | |
| Backrest core | 10 mm plywood formed panel | |
| Armrest padding | Polyurethane foam wrapped in matching fabric | |
| Arm supports and legs | 18 mm powder-coated dark steel tube | |
| Foot pads | Nylon adjustable glides | |
| Seam stitch pitch | 8 stitches per inch | |
| 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
| Frame structure | Fixed rigid welded steel frame | |
|---|---|---|
| Leveling function | Adjustable nylon foot glides | |
| Seating posture | Upright 100-degree back angle | |
| Arm support | Padded integrated armrests | |
| Floor protection | Non-marring glide pads | |
| Maintenance | Wipe-clean fabric surface | |
| Assembly type | Fully assembled delivery | |
| Stacking capability | Non-stackable fixed 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
| Carton dimensions | 600 x 600 x 850 mm | |
|---|---|---|
| Gross weight per carton | 18 kg | |
| 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 room | Seating at standard height dining tables for daily meals | |
|---|---|---|
| Home kitchen breakfast nook | Compact arm support ideal for casual extended seating | |
| Cafe and bistro seating | Durable metal frame suitable for light commercial dining use | |
| Home office guest seating | Upright posture works for short-term desk side visitor seating | |
| Modern minimalist interior | Slim metal frame and neutral beige upholstery matches contemporary decor | |
| Small apartment dining spaces | Compact footprint fits limited floor area around dining tables | |
| 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 | Domestic furniture seating, strength, durability and stability requirements | |
|---|---|---|
| EN 1022:2018 | Seating furniture stability test method for domestic dining chairs |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to seat core panels | |
|---|---|---|
| GB/T 3325-2017 | Metal furniture general technical requirements, applicable to steel frame | |
| GB 18584-2001 | Limit of harmful substances in wooden furniture, for plywood core materials | |
| GB 28007-2011 | Furniture mechanical performance for seating, strength and stability testing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to seat core panels; 2. GB/T 3325-2017: Metal furniture general technical requirements, applicable to steel frame; 3. GB 18584-2001: Limit of harmful substances in wooden furniture, for plywood core materials; 4. GB 28007-2011: Furniture mechanical performance for seating, strength and stability testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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