| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 640 x 610 x 1140 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 440 mm | |
| Seat height from floor | 455 mm | |
| Backrest total height | 705 mm | |
| Backrest outer width | 415 mm | |
| Armrest height above seat | 210 mm | |
| Armrest top height from floor | 655 mm | |
| Frame tube wall thickness | 1.5 mm | |
| Floor glide diameter | 30 mm | |
| Knee clearance under seat | 200 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 load capacity | 180 kg | |
| Recommended user weight | 120 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat cushion thickness | 80 mm | |
| Backrest foam thickness | 60 mm | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Seam stitch pitch | 8 stitches per inch | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Cantilever base frame | 1.5mm thick chrome-plated cold-rolled steel | |
|---|---|---|
| Seat upholstery | Black abrasion-resistant PU faux leather | |
| Seat core padding | High-density high-resilience polyurethane foam | |
| Backrest panel | Contoured padded upholstery over plywood inner support | |
| Armrest structure | Fixed steel support with soft padded PU top | |
| Floor contact glides | Non-marking TPE rubber glides | |
| Back inner support board | 12mm thick multi-layer plywood | |
| Surface stitching | High-strength polyester bonded thread | |
| 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
| Seating positioning | Fixed static position with no height, swivel or tilt adjustment | |
|---|---|---|
| Frame flex behavior | Sled cantilever design provides slight resilient flex when seated | |
| Arm support | Fixed height padded armrests for forearm support | |
| Lumbar support | Contoured built-in lumbar region aligned to natural spine curve | |
| Floor protection | Low-friction non-marking glides allow gentle repositioning without scratching | |
| Storage compatibility | Non-stackable fixed heavy-duty frame design | |
| 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
| Corporate conference rooms | Fixed formal seating suitable for long board and team meetings | |
|---|---|---|
| Office reception and waiting areas | Professional guest seating for visitor and client reception spaces | |
| Open office collaboration zones | Durable static seating for impromptu team discussion areas | |
| Training and seminar rooms | Consistent, high-capacity seating for scheduled training sessions | |
| Public institution meeting spaces | Heavy-duty commercial seating for government and public facility use | |
| Executive visitor seating | Matching complementary seating placed opposite 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 1335-1:2020 | Applies to dimensional classification and safety requirements for office work chairs | |
|---|---|---|
| EN 1335-2:2018 | Applies to structural strength and stability performance requirements | |
| EN 1335-3:2009 | Applies to structural durability and test methods for office seating | |
| EN 1022:2018 | Applies to stability testing requirements for non-domestic seating | |
| Frame fatigue cycle rating | Recommended references: EN 1335 |
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.1 General-Purpose Office Chairs |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional tolerance and size requirements for office seating | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to strength and durability testing of office chair mechanical properties | |
| GB 18584-2001 | Applies to limit of harmful substances in wooden furniture components | |
| GB 20210-2006 | Applies to fire safety requirements for upholstered office seating |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional tolerance and size requirements for office seating; 2. GB/T 10357.3-2013: Applies to strength and durability testing of office chair mechanical properties; 3. GB 18584-2001: Applies to limit of harmful substances in wooden furniture components; 4. GB 20210-2006: Applies to fire safety requirements for upholstered office seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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