| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 510 x 830 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Seat surface dimensions | 465 x 470 mm | |
| Backrest height above seat | 400 mm | |
| Backrest top width | 415 mm | |
| Armrest height above seat | 245 mm | |
| Total width across armrests | 620 mm | |
| Armrest height from floor | 690 mm | |
| Base footprint dimensions | 620 x 510 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 weight per unit | 8 kg | |
|---|---|---|
| Recommended static load capacity | 136 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Seat foam thickness | 50 mm | |
| Mesh back abrasion resistance | 30000 cycles | |
| Warranty period | 3 years | |
| Available frame color count | 2 (white, black) | |
| 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 | 1.5 mm thick cold-rolled steel tube | |
|---|---|---|
| Frame finish | White powder-coated matte surface | |
| Backrest material | Horizontal ribbed elastic grey polyester mesh | |
| Seat core | Multi-layer plywood base with high-density foam padding | |
| Seat upholstery | 400 g/m² grey breathable woven polyester fabric | |
| Armrest construction | Integrated white PP plastic with steel support brackets | |
| Foot glides | Non-marking black rubber floor caps | |
| Folding pivot hardware | Zinc-plated steel rivets at X-frame joint | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Folding mechanism | X-brace frame folds flat to 90 mm thickness for compact storage | |
|---|---|---|
| Stacking capability | Up to 10 chairs stack vertically for bulk storage | |
| Floor protection | Rubber glides prevent scratches and sliding on hard flooring | |
| Adjustment features | No height, tilt, swivel or lumbar adjustment functions | |
| Mobility features | No casters; designed for stationary guest seating placement | |
| Back support function | Ribbed elastic mesh provides flexible lumbar support for upright seating | |
| Arm support function | Fixed armrests support forearms at standard desk height for seated work | |
| 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
| Office conference rooms | Seating for meeting attendees at standard 760 mm height conference tables | |
|---|---|---|
| Reception and waiting areas | Temporary guest seating for lobbies, reception desks and visitor zones | |
| Training room setups | Stackable seating for temporary training sessions that require quick room re-set | |
| Temporary event seating | Portable seating for corporate events, job fairs and pop-up workspaces | |
| Home office guest seating | Space-saving extra seating for home workspaces with limited storage | |
| Exam and testing centers | Durable stationary seating for long-duration written or practical assessments | |
| 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
| Applicable contract seating standard | EN 16139:2013 | |
|---|---|---|
| Applicable stability standard | EN 1728:2012 | |
| Applicable flammability standard | EN 1021:2014 |
US and Canada office-furniture standards
| Applicable office chair standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Applicable static load test | ANSI/BIFMA X5.1 Test 5 | |
| Applicable durability test | ANSI/BIFMA X5.1 Test 8 |
Standards applicable to China-market projects
| Applicable standard for office guest chairs | GB/T 3326 | |
|---|---|---|
| Applicable stability standard | GB/T 10357.2 | |
| Applicable durability standard | GB/T 10357.3 |
This product must meet the following technical requirements: 1. Applicable standard for office guest chairs: GB/T 3326; 2. Applicable stability standard: GB/T 10357.2; 3. Applicable durability standard: GB/T 10357.3; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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