| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| 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
| Total set weight | 62 kg | |
|---|---|---|
| Per-seat static load capacity | 150 kg | |
| Total seating capacity | 5 users | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Frame static load rating | 750 kg | |
| Recommended daily occupancy cycles | 200 uses | |
| Product warranty period | 3 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
| Frame construction | 1.2mm thick cold-rolled steel tube with silver powder-coated finish | |
|---|---|---|
| Seat and back panels | 12mm thick plywood core wrapped in high-density foam | |
| Upholstery fabric | 0.8mm thick black matte faux leather, diamond-quilted on upper back sections | |
| Seat foam | 40mm thick 35kg/m³ density polyurethane foam with 40% rebound rate | |
| Backrest foam | 20mm thick 30kg/m³ density polyurethane foam | |
| Armrest top pads | Molded polyurethane with red-brown wood-effect finish, fixed to steel arm supports | |
| Frame foot caps | Non-slip PVC caps to protect floor surfaces | |
| Seam stitching | High-tensile polyester thread with 8mm stitch pitch for seam durability | |
| 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 arrangement | Modular 3-piece set arranged with central 3-seat bench flanked by two single chairs | |
|---|---|---|
| Structure type | Fully welded fixed steel frame with no recline, swivel or height adjustment | |
| Backrest support | Fixed 105° reclined backrest angle for upright seated comfort | |
| Cleaning access | Open gap between individual seat panels allows debris to fall through for easy maintenance | |
| Floor protection | Integrated non-marking foot caps prevent scratches on hard floor surfaces | |
| Installation requirement | Fully assembled delivery with no on-site assembly required for individual units | |
| Armrest support | Integrated curved steel armrests with padded tops support user entry and exit | |
| 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 reception areas | Suitable for waiting visitors with neutral professional black and silver finish | |
|---|---|---|
| Public service halls | Durable steel construction withstands high daily traffic in government or bank waiting zones | |
| Clinic and hospital waiting rooms | Smooth faux leather surface is easy to sanitize between users | |
| Transit station waiting areas | Fixed non-adjustable structure resists damage in high-use public transport facilities | |
| Small business meeting areas | Coordinated set creates a neat casual meeting space for staff or short visitor meetings | |
| Factory break rooms | Sturdy frame supports heavy use by industrial staff during rest breaks | |
| 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 | Applies to safety, strength and durability requirements for public area seating | |
|---|---|---|
| EN 1022:2019 | Applies to seating stability testing for non-domestic use furniture | |
| EN 12520:2015 | Applies to strength, durability and safety requirements for furniture seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general purpose office chair strength and durability test criteria for commercial seating |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | Applies to dimensional tolerances and surface finish quality for metal furniture used in public spaces | |
|---|---|---|
| GB 18584-2001 | Applies to limit of harmful substances in wooden and upholstered furniture components | |
| GB/T 10357.3-2013 | Applies to mechanical strength and durability test methods for chair and bench seating |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applies to dimensional tolerances and surface finish quality for metal furniture used in public spaces; 2. GB 18584-2001: Applies to limit of harmful substances in wooden and upholstered furniture components; 3. GB/T 10357.3-2013: Applies to mechanical strength and durability test methods for chair and bench seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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