| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 620 x 720 x 1030 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
| product net weight | 28 kg | |
|---|---|---|
| maximum static seat load | 150 kg | |
| writing tablet static load | 30 kg | |
| seat tip-up durability cycles | 100000 | |
| upholstery abrasion resistance | 50000 Martindale cycles | |
| seam stitch pitch | 8 stitches per 30mm | |
| backrest lumbar support load rating | 75 kg | |
| 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 and back upholstery | 100% polyester woven blue fabric | |
|---|---|---|
| seat core padding | 45 kg/m³ density cold-cure polyurethane foam | |
| backrest padding | 35 kg/m³ density polyurethane foam | |
| side panel trim | 18mm thick beech veneer MDF with matte clear finish | |
| support frame and legs | 3mm thick polished die-cast aluminum alloy | |
| writing tablet surface | 3mm thick matte black ABS plastic | |
| tablet pivot hardware | Zinc alloy hinge with matte silver powder coat | |
| floor mounting feet | Powder-coated steel base plates with anti-slip rubber pads | |
| seat understructure | 1.2mm thick folded steel inner frame | |
| 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
| seat operation | Gravity-return automatic tip-up seat that folds flush when unoccupied | |
|---|---|---|
| writing tablet operation | 360-degree swivel fold-out tablet that stores flush in armrest when not in use | |
| row alignment | Fixed floor-mounted installation with shared side support between adjacent seats | |
| ergonomic support | Contoured two-section backrest with built-in lumbar support zone | |
| noise reduction | Damped hinge mechanism for seat and tablet with no metal-on-metal impact | |
| tablet locking | Positive detent lock for tablet in fully deployed and stored positions | |
| seat surface gap | 200mm clearance between seat underside and floor | |
| 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
| university lecture halls | Durable fixed seating with writing tablet supports long lectures and note-taking | |
|---|---|---|
| corporate conference auditoriums | Formal wood-accented design matches professional event spaces | |
| theater and performing arts venues | Tip-up seat provides fast audience egress between performances | |
| government and council chambers | Stable fixed installation and formal appearance suit official meeting spaces | |
| cinema premium seating sections | Contoured back support and tablet surface accommodate food service and note-taking | |
| 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 13761:2002 | Audience seating - test methods and requirements | |
|---|---|---|
| EN 1022:2018 | Furniture - seating - determination of stability | |
| EN 12520:2015 | Furniture - seating - strength, durability and safety |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture | |
|---|---|---|
| GB/T 35607-2017 | Public seating furniture for auditoria and cinemas | |
| GB 18584-2001 | Indoor decoration materials - limit of harmful substances in wooden furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture; 2. GB/T 35607-2017: Public seating furniture for auditoria and cinemas; 3. GB 18584-2001: Indoor decoration materials - limit of harmful substances in wooden furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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