| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 635 x 572 x 953 mm | |
|---|---|---|
| Seat height | 457 mm | |
| Seat width | 508 mm | |
| Seat depth | 508 mm | |
| Backrest height | 559 mm | |
| Backrest width | 457 mm | |
| Sled base leg span (width) | 533 mm | |
| Sled base front-to-back depth | 546 mm | |
| Seat pan thickness | 8 mm | |
| Backrest panel thickness | 5 mm | |
| Frame tube diameter | 12 mm | |
| Floor glide diameter | 25 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
| Unit net weight | 6.4 kg | |
|---|---|---|
| Recommended static weight capacity | 400 kg | |
| Maximum stacking height on flat floor | 12 chairs | |
| Backrest impact resistance | 100 cycles | |
| Frame finish scratch resistance | 500 cycles | |
| Floor glide compression load rating | 100 kg per glide | |
| Recommended 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 pan | Molded orange polypropylene with matte finish | |
|---|---|---|
| Backrest panel | Frosted translucent white polycarbonate | |
| Sled frame | Chrome-plated cold-rolled steel rod | |
| Floor glides | Injection-molded non-marking polypropylene | |
| Seat-frame fasteners | Zinc-plated steel screws | |
| Backrest mounting brackets | Steel brackets with matching chrome finish | |
| Shell edge treatment | Smooth rounded molded edges | |
| 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 | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Stacking capability | Vertical stacking without auxiliary hardware | |
|---|---|---|
| Cantilever flex support | Continuous sled frame provides slight flexible give under seated load | |
| Floor protection | Fixed non-marking glides prevent scuffs on hard flooring | |
| Fixed non-adjustable design | No swivel, tilt, height adjustment, or casters | |
| Tuck-under design | Armless profile allows full tuck under standard 720mm high tables | |
| Moisture-resistant surface | Molded plastic shells resist spills and allow wipe-clean maintenance | |
| Wall-safe design | Rear frame edge sits flush against walls without contact from back shell | |
| 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
| Dining area seating | Suited for residential dining rooms and commercial cafes, wipe-clean surfaces resist food spills | |
|---|---|---|
| Office guest/waiting areas | Appropriate for reception and break rooms, stackable design supports flexible space arrangement | |
| Educational facility seating | Ideal for classrooms and assembly halls, durable construction withstands high daily traffic | |
| Event and conference seating | Suitable for temporary event setups, lightweight design allows quick reconfiguration | |
| Small space home use | Fits compact apartment dining nooks, tuck-under design reduces unused floor space | |
| Outdoor covered patio use | Plastic and chrome materials tolerate light moisture for semi-outdoor seating areas | |
| 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 16139:2013 | Non-domestic seating strength, durability and safety requirements for public areas | |
|---|---|---|
| EN 1022:2018 | Furniture seating determination of stability for all chair types | |
| EN 1728:2012 | Test methods for seating strength and durability performance validation |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs, applicable to guest/side seating static load tests | |
|---|---|---|
| ANSI/BIFMA X5.4-2020 | Lounge and public seating safety and performance standards for visitor use |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable to steel frame seating | |
|---|---|---|
| GB/T 10357.3-2013 | Furniture mechanical performance test for chairs and stools, strength and durability | |
| GB 18584-2001 | Indoor decoration material limit of harmful substances for wooden furniture, plastic component reference |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable to steel frame seating; 2. GB/T 10357.3-2013: Furniture mechanical performance test for chairs and stools, strength and durability; 3. GB 18584-2001: Indoor decoration material limit of harmful substances for wooden furniture, plastic component reference; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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