| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 575 x 575 x 889 mm | |
|---|---|---|
| Seat height from floor | 505 mm | |
| Seat pan depth | 483 mm | |
| Seat pan width at widest point | 520 mm | |
| Backrest total height above seat | 384 mm | |
| Leg taper length from seat ring to floor | 470 mm | |
| Under-seat circular support ring diameter | 530 mm | |
| Metal leg tube diameter | 25 mm | |
| Floor glide base diameter | 30 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 chair | 11.3 kg | |
|---|---|---|
| Maximum static user weight capacity | 136 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Seat padding thickness | 80 mm | |
| Backrest padding thickness | 50 mm | |
| Fabric abrasion resistance (Martindale) | 30000 cycles | |
| Frame static load capacity | 272 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and inner back upholstery | Smooth matte beige woven polyester fabric | |
|---|---|---|
| Outer back panel upholstery | Textured olive green diagonal-weave woven fabric | |
| Seat and back padding | High-resilience polyurethane foam over plywood seat base | |
| Under-seat support ring | 1.5mm thick powder-coated dark bronze steel tube | |
| Leg structure | 1.2mm thick tapered cylindrical powder-coated dark bronze steel | |
| Floor protection glides | Non-slip nylon adjustable foot pads | |
| Upholstery stitching | Tonal matching thread with 8 stitches per inch seam pitch | |
| Internal back frame | 12mm thick bent plywood form | |
| 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 function | Fixed upright posture for dining use with no recline or tilt mechanism | |
|---|---|---|
| Floor glide adjustment | 10mm height adjustment per foot to level on uneven floors | |
| Wraparound back support | Curved semi-enclosed back provides lateral torso support during table-side seating | |
| Assembly requirement | Knock-down leg attachment with 4 included screws per chair | |
| Surface protection | Soft nylon glides prevent scratches on hard flooring without requiring additional felt pads | |
| Cleaning compatibility | Stain-repellent fabric finish suitable for wiping up food and drink spills | |
| Stacking capability | Non-stacking fixed frame design for permanent table-side placement | |
| 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
| Residential dining room use | Pairs with standard 760 mm height dining tables for everyday family meals | |
|---|---|---|
| Cafe and bistro seating | Compact footprint and durable fabric suitable for casual food service spaces | |
| Home office guest seating | Provides comfortable side seating for visitors alongside desks or in meeting nooks | |
| Restaurant dining areas | Stackable-alternative fixed seating for modern casual dining establishments | |
| Vanity or dressing table seating | Appropriate seat height for standard vanity tables with supportive low back | |
| 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 12520:2015 Furniture - Strength, durability and safety - Requirements for domestic seating | Applicable for residential dining chair structural safety and stability testing | |
|---|---|---|
| EN 1022:2018 Furniture - Seating - Determination of stability | Applicable to verify no tipping under normal seated use loads |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 General Purpose Office Chairs - Backrest strength test | Reference standard for commercial-grade back support durability if used in cafeteria settings |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 General technical requirements for wooden furniture | Applicable to plywood seat and back internal frame structural performance and finish quality | |
|---|---|---|
| GB 18584-2001 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture | Applicable for formaldehyde emission limits on internal plywood components | |
| GB/T 24821-2009 Furniture hardware - Requirements for strength and durability of chair legs | Applicable to steel leg and frame load testing requirements |
This product must meet the following technical requirements: 1. GB/T 3324-2017 General technical requirements for wooden furniture: Applicable to plywood seat and back internal frame structural performance and finish quality; 2. GB 18584-2001 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture: Applicable for formaldehyde emission limits on internal plywood components; 3. GB/T 24821-2009 Furniture hardware - Requirements for strength and durability of chair legs: Applicable to steel leg and frame load testing requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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