Main Columns: 80*40*2mm anodized aluminum profiles with vertical tolerance ≤0.1mm/m
Horizontal Supports: 50*30*1.5mm thermal break profiles with spacing ≤600mm
Seismic Joints: Stainless steel flexible connectors allowing ±5mm displacement

1.2 Panel System

Panel Type	Specifications	Special Treatment
Metal Surface	1.2mm SUS304 mirror panel	Electro-polished Ra≤0.4μm
Core Layer	50mm thick rock wool core	Hydrophobic rate ≥98%
Back Panel	0.8mm pre-coated aluminum	Antibacterial coating

II. Key Technical Points

2.1 Ceiling Transition Node (Key Revised Content)

Three-dimensional Sealing System:

Upper layer: Labyrinth stainless steel dust barrier (δ=0.8mm)
Middle layer: Pressure balance valve (±0.5Pa accuracy)
Lower layer: EPDM composite seal (compression set ≤15%)

Smart Maintenance System:

Integrated RFID tags (storing installation data)
Electric maintenance platform (load capacity ≥150kg)
Visual seal monitoring (pressure sensors + LED indicators)

III. Special Process Controls

3.1 Clean Construction Process

Material Pretreatment:

Plasma cleaning of profiles (300W power, 90s duration)
Gradient alcohol wiping of panels (3 alternating wipes)

Assembly Process:

Dust-free power tools (noise ≤65dB)
Laser positioning of bolt holes (±0.2mm accuracy)

3.2 Sealing System Installation

Three-tier Sealing System:

Pre-compressed EPDM gasket (30±2% compression)
Polyurethane foam filler (density 45±5kg/m³)
Medical-grade silicone sealant (4-6h curing time)

IV. Testing and Acceptance Standards

4.1 Physical Performance Tests

Test Item	Requirement	Method
Air Tightness	≤0.05% leakage @250Pa	ISO 14644-7
Flatness	≤0.5mm/2m	Laser scanning
Sound Insulation	≥45dB	GB/T 19889.3

4.2 Cleanliness Verification

Particle count: ≥0.5μm particles ≤3.5pc/m³
Surface microbes: ≤1CFU/25cm²
Static test: Surface resistance 10⁴-10⁶Ω

V. Maintenance Specifications

Smart Maintenance System:

Online seal monitoring (pressure sensor network)
Automatic alarm function (seal failure warning)

Manual Maintenance:

Quarterly seal elasticity test (Shore hardness change ≤10%)
Annual structural vibration test (amplitude <20μm)

All technical parameters comply with the latest GMP and ISO 14644 standards. BIM technology is recommended for full-process simulation during construction.