| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 680 x 1050 mm | |
|---|---|---|
| Seat height | 510 mm | |
| Seat cushion dimensions | 510 x 480 mm | |
| Seat cushion thickness | 115 mm | |
| Backrest height | 540 mm | |
| Armrest height from floor | 720 mm | |
| Frame tube diameter | 25 mm | |
| Footrest crossbar height | 180 mm | |
| Leg spread (base footprint) | 630 x 630 mm | |
| Armrest width per side | 40 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
| Recommended static load capacity | 136 kg | |
|---|---|---|
| Net weight per unit | 9 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Frame finish abrasion resistance | 3000 cycles | |
| Applicable table height range | 760 mm | |
| Stackable capacity | 0 units | |
| Frame static load durability | 5000 use cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Frame construction | 25mm diameter tubular steel | |
|---|---|---|
| Frame finish | Black matte powder coating | |
| Seat support panel | 12mm thick plywood understructure | |
| Seat filling | High-density polyurethane foam | |
| Seat upholstery | Black matte faux leather | |
| Back slats | Integrated bent tubular steel | |
| Armrest construction | Bent tubular steel integrated with front legs | |
| Foot pads | Non-slip rubber end caps | |
| Footrest bars | Welded tubular steel perimeter crossbars | |
| Upholstery seam pitch | 30 mm | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seating function | Fixed non-adjustable stationary seating | |
|---|---|---|
| Back support | Curved vertical slat high back | |
| Arm support | Integrated curved armrests | |
| Foot support | Perimeter lower tubular footrest | |
| Floor protection | Rubber foot pads on each leg | |
| Cleaning and maintenance | Smooth wipe-clean upholstery and frame | |
| Assembly configuration | Knock-down partial assembly | |
| Weight distribution | Four-point leg support | |
| 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 room use | Suitable for home dining tables with fixed-height seating for daily meals | |
|---|---|---|
| Commercial restaurant use | Appropriate for casual and themed restaurants, hotel private dining rooms | |
| Tea room or casual lounge use | Fits new-Chinese style interior decor for casual seating and tea service | |
| Cafe and bistro use | Durable easy-clean construction suitable for casual food service venues | |
| Recommended configuration | Set of 6chairs per standard rectangular dining table | |
| Placement surface suitability | Works on hard wood, tile, and low-pile carpet floors | |
| Style compatibility | Pairs with industrial, new-Chinese, and minimalist interior design schemes | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 12520:2015 | Furniture: Strength, durability and safety for domestic seating, recommended for validation | |
|---|---|---|
| EN 1022:2018 | Seating stability test method, applicable to verify four-leg stability performance | |
| EN 15372:2016 | Furniture durability for contract dining seating, recommended for commercial use validation |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable to frame strength and stability | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in wood furniture, applicable to plywood seat substrate | |
| GB/T 1952.1-2012 | Strength and durability test for seating, applicable for domestic dining chair safety |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable to frame strength and stability; 2. GB 18584-2001: Limit of harmful substances in wood furniture, applicable to plywood seat substrate; 3. GB/T 1952.1-2012: Strength and durability test for seating, applicable for domestic dining chair safety; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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