| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 635 x 650 x 1030 mm | |
|---|---|---|
| Seat width | 508 mm | |
| Seat depth | 508 mm | |
| Seat height from floor | 470 mm | |
| Backrest total height | 560 mm | |
| Upper split back pad dimensions | 220 x 380 mm per pad | |
| Lower lumbar back pad width | 480 mm | |
| Armrest height from floor | 648 mm | |
| Armrest pad dimensions | 220 x 80 mm | |
| Sled base footprint width | 560 mm | |
| Sled base front-to-rear depth | 610 mm | |
| Seat cushion thickness | 80 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 product weight | 18 kg | |
|---|---|---|
| Maximum static user weight capacity | 125 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Backrest static load rating | 120 kg | |
| Fabric upholstery abrasion resistance | 50000 Martindale rubs | |
| Seam stitch pitch | 3 mm | |
| Floor glide static load rating | 100 kg per glide | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Black woven polyester fabric | |
|---|---|---|
| Internal seat/back support panel | 18 mm thick plywood | |
| Cantilever frame and base | 2 mm thick powder-coated tubular steel | |
| Seat cushion padding | High-density molded polyurethane foam | |
| Backrest padding | High-density polyurethane foam | |
| Armrest support structure | Injection-molded black nylon rigid frame | |
| Armrest top pads | Hard black polyurethane surface | |
| Floor contact glides | Non-marking injection-molded nylon | |
| Internal frame fasteners | Zinc-plated steel hardware | |
| 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
| Base function | Fixed cantilever sled base with no casters | |
|---|---|---|
| Swivel function | No 360-degree rotation capability | |
| Height adjustment | No seat height adjustment mechanism | |
| Recline function | No backrest tilt or recline locking | |
| Back support design | Split dual-pad upper back with integrated lumbar support | |
| Seat edge design | Waterfall front seat edge | |
| Armrest function | Fixed-height T-style armrests | |
| Floor protection | Integrated non-marking glides | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| 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
| Conference/meeting room use | Formal fixed seating around meeting tables for attendees | |
|---|---|---|
| Visitor/reception area use | Guest seating in office reception and waiting areas | |
| Training room use | Seating for corporate training and seminar rooms | |
| Open-plan workstation guest seating | Side seating at employee workstations for short discussions | |
| Boardroom side seating | Support seating along boardroom perimeters for overflow attendees | |
| Public service counter seating | Visitor seating at front counters in government or service offices | |
| 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 | Office work chairs safety requirements, applicable for fixed visitor seating strength | |
|---|---|---|
| EN 1022:2018 | Furniture seating determination of stability, applicable for sled base tipping resistance | |
| EN 16139:2013 | Non-domestic seating strength durability and safety requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs standard, applicable for static load and durability testing | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Large occupant office chair test method, applicable for 125kg weight capacity validation |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal plywood components | |
|---|---|---|
| GB/T 10357.3-2013 | Test method for strength and durability of chair and stool furniture | |
| GB 18580-2017 | Formaldehyde emission limits for wood-based panel products | |
| GB/T 19995.1-2005 | Upholstered furniture fabric performance requirements |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal plywood components; 2. GB/T 10357.3-2013: Test method for strength and durability of chair and stool furniture; 3. GB 18580-2017: Formaldehyde emission limits for wood-based panel products; 4. GB/T 19995.1-2005: Upholstered furniture fabric performance requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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