Ergonomic Mesh Office Chair with Headrest and Adjustable Arms (model ERM-HR-5P-GRY) is listed under Mesh Office Chair. Dimensions: 680 × 680 × 1240 mm. Materials: Light-gray woven mesh fabric, 2.0 mm apparent thickness, stretched over a framed back with flexible central lumbar zone. Load capacity: 1000 kg. Product Features: ergonomic,design,mesh,back,headrest,adjustable,armrests,five-star,swivel,base,mobile,caster,chair. This page consolidates 6 groups of specifications and ANSI/BIFMA standard references, with metric and imperial units. 1 supplier(s) are listed and you can request a quote online.
| Brand | JIULONGYOUSHENG | Model | ERM-HR-5P-GRY |
| Overall dimensions (W × D × H) | 680 × 680 × 1240 mm | Finished Seat Cushion Thickness | 90 mm |
| Backrest Padding Thickness | 70 mm | Lumbar Support Zone Height | 240 mm |
| Clear Width Between Armrests | 540 mm | Recommended user weight capacity | 150 kg |
| Net weight | 20 kg | Static base load rating | 1000 kg |
| Gas-lift vertical travel | 80 mm | Back tilt angle | 18 degrees rearward |
| Seat tilt angle | 6 degrees rearward | Recommended daily use duration | 8 hours |
| Recommended user height range | 1900 mm | Caster rolling durability target | 100000 cycles |
| Seat cushion durable load target | 100000 cycles | Back upholstery | Light-gray woven mesh fabric, 2.0 mm apparent thickness, stretched over a framed back with flexible central lumbar zone |
| Seat upholstery | Light-gray mesh or woven cover over contoured cushion, 60 mm foam thickness and 45 kg/m3 density target | Headrest cushion | Curved mesh-covered pad with 50 mm foam depth on a rigid internal support |
| Lumbar support | Separate curved mesh-covered panel attached to the back frame for lower-back contact | Seat inner shell | Molded polypropylene load shell, 6 mm target thickness, connected to the metal tilt mechanism |
| Back frame | Light-gray rigid polymer outer frame with internal steel or glass-fiber reinforcement target | Arm pads | Flat matte polymer or polyurethane pads mounted on vertical gray support posts |
| Arm supports | Injection-molded brackets with steel reinforcement plates and 8 mm mounting hardware target | Gas lift | Chrome-plated steel cylinder with black telescopic sleeve, 50 mm diameter, class-4 procurement grade |
| Tilt mechanism | Black steel synchro chassis under the seat with visible control lever and tension cable | Five-star base | Polished aluminum or aluminum-finish metal five-star base, 3.0 mm wall-section target |
| Casters | Black nylon twin-wheel casters with steel roller axles and 60 mm wheel diameter | Height adjustment | Pneumatic seat-height lift provides 80 mm travel through a class-4 50 mm gas cylinder actuated by the under-seat lever |
| Back recline | Synchronized tilt allows 18 degrees backrest recline with a 6-degree seat-angle change for balanced foot contact | Tilt lock | Multi-position locking mechanism secures the reclined back at 4 selected positions through the under-seat control |
| Tilt tension | Rotary tension control adjusts resistance for body weight up to 150 kg | Headrest support | Height-adjustable curved headrest provides neck support through 60 mm vertical travel and 15 degrees angle pivoting |
| Lumbar support | Integrated curved lumbar panel follows the lower back and flexes independently from the outer back frame | Armrest adjustment | Padded armrests adjust vertically through 70 mm and provide 4 height positions for desk and keyboard alignment |
| Mobility | Five black twin-wheel casters enable omnidirectional movement on hard floors and low-pile carpet | Waterfall seat edge | Rounded front edge reduces pressure behind the knees and maintains thigh contact during recline |
| Back posture support | Contoured framed back distributes shoulder and lumbar pressure while the mesh surface permits air movement | Recline clearance | 120 mm |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | Carton dimensions | 850 x 650 x 380 mm |
| 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 | Private office | Suits executive or manager desks where head support, recline, and quiet movement are required during computer and discussion tasks. |
| Open-plan workstation | Fits standard 760 mm desks and bench workstations needing a compact 680 mm footprint and 360-degree swivel. | Home office | Supports daily computer work in residential studies with hard floors or low-pile carpet using twin-wheel casters. |
| Meeting or focus room | Provides ergonomic seating for prolonged review, drafting, or video-conference tasks without fixed arm constraints. | Users 1600-1900 mm tall | Seat depth, headrest, arm height, and lumbar geometry target average-to-tall office users. |
| Shared hot-desk environment | Adjustable height, tilt, arms, and rolling base allow quick adaptation between multiple shifts. | Procurement configuration | Recommended where breathable mesh, lumbar support, polished metal base, and 150 kg user capacity are selection criteria. |
| Recommended Matching Desk Size | 2.4 m executive desk | — | — |
| Time | Field | Original Value | Corrected Value | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall dimensions (W × D × H) | 680 × 680 × 1240 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
Data source: Product performance data; verify exact test conditions before procurement.
| Recommended user weight capacity | 150 kg | |
|---|---|---|
| Net weight | 20 kg | |
| Static base load rating | 1000 kg | |
| Gas-lift vertical travel | 80 mm | |
| Back tilt angle | 18 degrees rearward | |
| Seat tilt angle | 6 degrees rearward | |
| Recommended daily use duration | 8 hours | |
| Recommended user height range | 1900 mm | |
| Caster rolling durability target | 100000 cycles | |
| Seat cushion durable load target | 100000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Back upholstery | Light-gray woven mesh fabric, 2.0 mm apparent thickness, stretched over a framed back with flexible central lumbar zone | |
|---|---|---|
| Seat upholstery | Light-gray mesh or woven cover over contoured cushion, 60 mm foam thickness and 45 kg/m3 density target | |
| Headrest cushion | Curved mesh-covered pad with 50 mm foam depth on a rigid internal support | |
| Lumbar support | Separate curved mesh-covered panel attached to the back frame for lower-back contact | |
| Seat inner shell | Molded polypropylene load shell, 6 mm target thickness, connected to the metal tilt mechanism | |
| Back frame | Light-gray rigid polymer outer frame with internal steel or glass-fiber reinforcement target | |
| Arm pads | Flat matte polymer or polyurethane pads mounted on vertical gray support posts | |
| Arm supports | Injection-molded brackets with steel reinforcement plates and 8 mm mounting hardware target | |
| Gas lift | Chrome-plated steel cylinder with black telescopic sleeve, 50 mm diameter, class-4 procurement grade | |
| Tilt mechanism | Black steel synchro chassis under the seat with visible control lever and tension cable | |
| Five-star base | Polished aluminum or aluminum-finish metal five-star base, 3.0 mm wall-section target | |
| Casters | Black nylon twin-wheel casters with steel roller axles and 60 mm wheel diameter |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Height adjustment | Pneumatic seat-height lift provides 80 mm travel through a class-4 50 mm gas cylinder actuated by the under-seat lever | |
|---|---|---|
| Back recline | Synchronized tilt allows 18 degrees backrest recline with a 6-degree seat-angle change for balanced foot contact | |
| Tilt lock | Multi-position locking mechanism secures the reclined back at 4 selected positions through the under-seat control | |
| Tilt tension | Rotary tension control adjusts resistance for body weight up to 150 kg | |
| Headrest support | Height-adjustable curved headrest provides neck support through 60 mm vertical travel and 15 degrees angle pivoting | |
| Lumbar support | Integrated curved lumbar panel follows the lower back and flexes independently from the outer back frame | |
| Armrest adjustment | Padded armrests adjust vertically through 70 mm and provide 4 height positions for desk and keyboard alignment | |
| Mobility | Five black twin-wheel casters enable omnidirectional movement on hard floors and low-pile carpet | |
| Waterfall seat edge | Rounded front edge reduces pressure behind the knees and maintains thigh contact during recline | |
| Back posture support | Contoured framed back distributes shoulder and lumbar pressure while the mesh surface permits air movement | |
| Recline clearance | 120 mm | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions |
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| Carton dimensions | 850 x 650 x 380 mm | |
|---|---|---|
| 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
Data source: Recommended applications based on product form and category.
| Private office | Suits executive or manager desks where head support, recline, and quiet movement are required during computer and discussion tasks. | |
|---|---|---|
| Open-plan workstation | Fits standard 760 mm desks and bench workstations needing a compact 680 mm footprint and 360-degree swivel. | |
| Home office | Supports daily computer work in residential studies with hard floors or low-pile carpet using twin-wheel casters. | |
| Meeting or focus room | Provides ergonomic seating for prolonged review, drafting, or video-conference tasks without fixed arm constraints. | |
| Users 1600-1900 mm tall | Seat depth, headrest, arm height, and lumbar geometry target average-to-tall office users. | |
| Shared hot-desk environment | Adjustable height, tilt, arms, and rolling base allow quick adaptation between multiple shifts. | |
| Procurement configuration | Recommended where breathable mesh, lumbar support, polished metal base, and 150 kg user capacity are selection criteria. | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.1 |
|---|
Standards applicable to China-market projects
This product must meet the following technical requirements: 1. Technical standards and test reports must be supplied during tender or purchase confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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