latest company case about Guangzhou Cleanroom Construction Co., Ltd. Certifications

Comprehensive Technical Specifications for Design and Installation

1. Interstitial Duct Colored Insulation System

• l Use flame-retardant PIR/PUR foam insulation with density ≥48kg/m³ and thermal conductivity ≤0.022W/(m·K)
• l Insulation thickness designed per process requirements, typically 25-40mm, with colored PVC protective layer
• l Ensure specialized tape sealing at joints with smooth, wrinkle-free surface

2. Return Air Riser Installation

• l Use 304 stainless steel rectangular ducts with wall thickness ≥1.2mm
• l Vertical deviation ≤2mm/m, total length deviation ≤10mm
• l Support spacing ≤3m with rubber vibration isolators

3. High-Efficiency Air Outlet Edge Banding

• l Use anodized aluminum trim with thickness ≥2mm
• l Apply medical-grade silicone sealant at joints, 3-5mm bead width
• l Install EPDM gasket at color steel panel connections

4. Stainless Steel Air Outlet Installation Standards

• l Select 316L medical-grade stainless steel with electropolished surface
• l Pre-installation laser leveling with deviation ≤1.5mm/m
• l Use quick-release flange connections at duct joints

5. Duct Wall Penetration Sealing System

• l Provide sleeves 50mm larger than duct diameter, filled with fireproof rockwool
• l Seal both sides with fire-resistant putty, thickness ≥30mm
• l Install stainless steel finishing rings

6. Exhaust Fan Grounding Specifications

• l Use 6mm² yellow-green copper wire for grounding
• l Apply OT terminal crimping with anti-loosening washers
• l Quarterly grounding resistance testing with documented records

7. Integrated Ceiling BIM Coordination

• l Conduct clash detection using Revit+Navisworks
• l Maintain ≥600mm access clearance with ≥300mm equipment spacing
• l Provide 3D isometric drawings for construction guidance

8. Crossover Walkway Technical Requirements

• l Main structure using hot-dip galvanized steel with ≥85μm zinc coating
• l Tread plates made of 304 stainless steel grating with ≤20mm openings
• l Install double-rail guardrails with intermediate wire rope protection

9. Supplementary Technical Specifications

• l All ducts require PAO leak testing
• l System noise control at ≤65dB(A)
• l Final air balance report required upon completion