| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 630 x 780 x 1180 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Seat cushion thickness | 70 mm | |
| Seat usable depth | 500 mm | |
| Seat usable width between armrests | 500 mm | |
| Armrest height from seat | 220 mm | |
| Backrest height above seat | 730 mm | |
| Backrest width at widest point | 540 mm | |
| Front leg cross-section dimension | 50 x 50 mm | |
| Rear leg cross-section dimension | 45 x 45 mm | |
| Seat to underside clearance at front | 380 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 user weight capacity | 150 kg | |
|---|---|---|
| Chair net weight | 25 kg | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 38 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Frame static load rating | 500 kg | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Structural warranty period | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Structural frame, legs and armrests | Solid rubber wood with polished red-brown lacquer finish | |
|---|---|---|
| Seat and backrest upholstery | 1.2mm thick black abrasion-resistant PU faux leather | |
| Seat cushion core padding | Cold-cured high-density polyurethane foam | |
| Backrest core padding | Medium-firm molded polyurethane foam with lumbar indent | |
| Backrest inner support panel | 12mm thick multi-layer plywood under upholstery | |
| Seat pan inner support | 15mm thick solid wood framing under foam | |
| Frame surface finish | Smooth, scratch-resistant nitrocellulose lacquer, polished to semi-gloss sheen | |
| Upholstery attachment | Industrial heavy-duty polyester thread stitching, visible seam lines | |
| Foot pads | Non-slip 5mm thick rubber pads at each leg 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 |
Adjustment / rotation / tilt / mobility / storage features
| Seating adjustment | No height, swivel, tilt or recline mechanisms, fixed rigid posture position | |
|---|---|---|
| Armrest support | Integrated curved solid wood armrests fixed to frame, no height or pivot adjustment | |
| Lumbar support | Contoured built-in lumbar indent in backrest padding for upright seated support | |
| Seating ergonomics | Upright 100-degree seat-to-back angle optimized for long meeting use | |
| Floor protection | Fixed rubber foot pads prevent floor scratching and sliding during use | |
| Surface maintenance | Smooth faux leather and polished wood surfaces wipe clean with standard office cleaners | |
| Customization option | Frame wood finish and upholstery material/color can be modified for bulk orders | |
| 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
| Executive boardrooms | Formal high-back design suited for executive meeting spaces with traditional decor | |
|---|---|---|
| Office guest and reception areas | Fixed stable structure provides professional seating for visiting guests | |
| Conference and meeting rooms | Upright posture support suitable for multi-hour meeting use | |
| Government and institutional offices | Formal durable construction meets public sector procurement standards | |
| Hotel business centers | Classic styling coordinates with traditional hotel public area furnishings | |
| Private executive offices | Suitable as stationary guest seating positioned across from executive desks | |
| 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 1335-2:2018 | Safety requirements for office seating, applicable to non-adjustable conference chair structural testing | |
|---|---|---|
| EN 1022:2019 | Test method for stability of residential and non-residential seating | |
| EN 12520:2015 | Strength, durability and safety requirements for domestic and contract seating |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood frame structural testing | |
|---|---|---|
| GB/T 16799-2008 | Specification for polyurethane synthetic leather used for furniture upholstery | |
| GB 18584-2001 | Limit of harmful substances in wooden furniture for indoor decorating materials | |
| GB/T 10357.3-2013 | Test method for strength and durability of chair and stool seats and backs |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to solid wood frame structural testing; 2. GB/T 16799-2008: Specification for polyurethane synthetic leather used for furniture upholstery; 3. GB 18584-2001: Limit of harmful substances in wooden furniture for indoor decorating materials; 4. GB/T 10357.3-2013: Test method for strength and durability of chair and stool seats and backs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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