| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall_dimensions | 540 x 580 x 820 mm | |
|---|---|---|
| seat_width | 480 mm | |
| seat_depth | 430 mm | |
| seat_height | 450 mm | |
| backrest_height | 400 mm | |
| backrest_width | 470 mm | |
| sled_base_frame_tube_diameter | 19 mm | |
| floor_footprint_length | 560 mm | |
| stacked_chair_height_per_unit_add | 140 mm | |
| ventilation_slot_length_long | 160 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
| chair_unit_weight | 4.8 kg | |
|---|---|---|
| static_weight_capacity | 150 kg | |
| stackable_quantity_high_capacity | 12 units | |
| backrest_static_horizontal_load_capacity | 760 N | |
| seat_impact_resistance_cycle | 100000 cycles | |
| sled_frame_fatigue_cycle | 50000 cycles | |
| 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 | |
| five_star_base_static_load_reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| seat_shell | One-piece injection-molded polypropylene (PP) copolymer, white matte finish | |
|---|---|---|
| backrest_shell | Integrated polypropylene shell with horizontal slotted ventilation openings | |
| sled_frame | Chrome-plated carbon steel tubular frame, continuous wire-formed sled structure | |
| seat_to_frame_fasteners | Injection-molded plastic mounting bosses + steel fasteners | |
| floor_glides | Integrated plastic end caps on sled frame legs | |
| backrest_surface | Smooth matte polypropylene surface with no upholstery | |
| chrome_plating_layer | Decorative nickel-chrome multilayer plating on steel tube frame | |
| ventilation_slot_edge | Molded smooth rounded edge on all backrest ventilation slots | |
| 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
| vertical_stacking | Stackable via nested sled base and molded shell profile, up to 12 units high | |
|---|---|---|
| fixed_seat_height | Non-adjustable fixed seat height of 450 mm, matching standard desk height 760 mm | |
| passive_back_ventilation | Multiple horizontal molded slots across the backrest provide passive air circulation | |
| stationary_sled_base | Fixed sled base design provides stable support and prevents floor scratching when moved | |
| side_carry_handle | Integrated recessed cutout under the seat rear edge for manual lifting and repositioning | |
| non_rocking_seat | Fixed seat and backrest orientation with no tilt or recline mechanism | |
| rear_carry_handle | Integrated recessed cutout at the rear seat-back junction for single-hand manual lifting | |
| fixed_backrest_tilt | Permanently fixed 10-degree backward recline angle of the backrest for basic lumbar support | |
| backrest_recline_angle | 10 degrees | |
| recline_angle_lock_reference | 125° with 3 suggested lock positions | |
| tilt_tension_user_weight_range | Reference adjustment coverage 120 kg | |
| height_adjustment_stroke | 100 mm continuous travel |
Verified carton / gross weight / assembly / loading data
| standard_packaging_units_per_cartoon | 4 chairs per carton | |
|---|---|---|
| master_cartoon_dimensions | 570 x 600 x 900 mm | |
| gross_weight_per_cartoon | 22 kg | |
| cubic_meters_per_cartoon | 0.308 CBM | |
| assembly_time_per_unit | 0 minutes | |
| 20ft_container_loading_quantity | 320 chairs | |
| standard_packaging_units_per_carton | 4 chairs per carton | |
| reference_package_count | 1 set / 2 cartons | |
| reference_assembly_time | 40 minutes per set | |
| reference_carton_dimensions | 850× 420× 720 mm |
Recommended spaces / users / usage modes
| office_meeting_rooms | Suitable for boardrooms, conference rooms and huddle rooms as fixed or temporary visitor seating | |
|---|---|---|
| training_educational_spaces | Appropriate for training centers, classrooms and seminar venues requiring frequent layout rearrangement | |
| reception_waiting_areas | Ideal for lobby and visitor waiting zones paired with low tables or reception desks | |
| canteen_and_break_areas | Suitable for staff break rooms and casual dining spaces with standard-height tables | |
| event_and_function_spaces | Well suited for temporary event seating at corporate functions, exhibitions and pop-up venues | |
| 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 1728 | 2014 Furniture - Seating - Test methods for the determination of strength and durability of seats and backs |
|---|
Standards applicable to China-market projects
| GB/T 10357.3-2013 Furniture mechanical and physical properties test Part 3 | Chair, stool strength and durability |
|---|
This product must meet the following technical requirements: 1. GB/T 10357.3-2013 Furniture mechanical and physical properties test Part 3: Chair, stool strength and durability; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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