Product Specification
1. Ergonomic contour and high‑density foam – Backrest and seat cushion follow natural body curves; seat foam density >60 kg/m³, back foam density >55 kg/m³, offering exceptional comfort and durability.
2. Concealed folding writing board – Built into the armrest with quiet operation, providing convenient note‑taking without occupying extra space.
3. Silent damping return mechanism – Effectively reduces operational noise, ensuring a quiet auditorium environment.
4. Premium imported linen velvet fabric – Offers excellent permeability, sound absorption, wear resistance, and colorfastness. Optional treatments include 3M stain resistance, Teflon liquid repellency, anti‑static, anti‑bacterial, anti‑mildew, and fire retardancy. Meets GB8410‑94, GB17951‑1998, BS7176, and BS5852 standards.
5. Sturdy steel base – Independently supported design with steel thickness not less than 3.0mm; features air outlets that can function as air conditioning vents, enhancing user comfort; surface treated with rust‑proof coating and 18‑micron electrophoretic finish.
6. High‑quality construction – Seat and back shells made of high‑density hardwood plywood, offering elegant appearance, strong load‑bearing capacity, impact resistance, and anti‑deformation properties.
Detailed Specifications
Seat and Back Cushion: The foam used is manufactured according to ergonomic principles of sitting posture, featuring high elasticity, comfort, and durability. The seat foam density is greater than 60 kg/m³, and the back foam density is greater than 55 kg/m³.
Seat and Back Shell: Made from high‑quality, high‑density hardwood plywood, offering an elegant appearance, strong load‑bearing capacity, impact resistance, and anti‑deformation properties.
Upholstery Fabric: Imported linen velvet fabric is used, characterized by strong permeability, excellent sound absorption, wear resistance, colorfastness, moderate softness, and easy cleaning. Color and texture can be determined according to customer requirements. Additionally, it can be treated to meet specific needs such as 3M soil resistance, Teflon liquid and dust repellency, anti‑static, anti‑bacterial, anti‑mildew, and fire retardancy. The flame retardant performance can meet the requirements of Chinese standards GB8410‑94, GB17951‑1998, and British standards BS7176, BS5852, among others.
Base/Legs: Independently supported design, aesthetically pleasing. Constructed from steel with a thickness not less than 3.0mm, and equipped with air outlets that can function as air conditioning vents, significantly enhancing user comfort. The chair legs undergo surface rust‑proof treatment, followed by an 18‑micron electrophoretic coating as a corrosion‑resistant finish.
Concealed Folding Writing Board: Built into the armrest, the board deploys smoothly and operates quietly for convenient use during meetings or lectures.
Return Mechanism: Utilizes a damping return structure, which effectively reduces noise and ensures reliable automatic seat reset.
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This auditorium chair model WLCH219S‑4 features a centre‑to‑centre distance of 570 mm, overall width of 770 mm, seat depth of 670 mm, overall height of 660 mm, and armrest height of 160 mm. Seat foam density exceeds 60 kg/m³ and back foam density exceeds 55 kg/m³, both offering high elasticity and durability. The concealed folding writing board is built into the armrest for quiet, space‑saving use. The damping return mechanism ensures low‑noise automatic reset. Upholstery uses imported linen velvet with customizable colors and optional treatments including 3M stain resistance, Teflon protection, anti‑static, anti‑bacterial, anti‑mildew, and fire retardancy meeting GB8410‑94, GB17951‑1998, BS7176, and BS5852. The steel base features a thickness of at least 3.0mm with rust‑proof and electrophoretic coating, plus integrated air outlets for enhanced comfort. Seat and back shells are crafted from high‑density hardwood plywood for superior strength and elegance. Ideal for large conference halls, campus auditoriums, government lecture halls, and multi‑functional venues.
