Sandwich panels come in various types, distinguished by their core materials and applications.
Here are the most common types:
Polyurethane (PU) Sandwich Panels:
Core Material: Polyurethane foam.
Features: Excellent thermal insulation, lightweight, good mechanical strength.
Applications: Cold storage facilities, insulated roofs, and walls in commercial and industrial buildings.
Polyisocyanurate (PIR) Sandwich Panels:
Core Material: Polyisocyanurate foam.
Features: Similar to PU but with better fire resistance.
Applications: Similar to PU panels but preferred in applications where enhanced fire resistance is needed.
Expanded Polystyrene (EPS) Sandwich Panels:
Core Material: Expanded polystyrene foam.
Features: Cost-effective, good thermal insulation, lightweight.
Applications: Residential and commercial buildings, cold storage, and prefabricated houses.
Rockwool (Mineral Wool) Sandwich Panels:
Core Material: Rockwool (stone wool).
Features: Excellent fire resistance, sound insulation, good thermal properties.
Applications: Industrial buildings, soundproofing structures, fire-resistant walls and roofs.
Honeycomb Sandwich Panels:
Core Material: Honeycomb structures (usually aluminum or paper).
Features: High strength-to-weight ratio, good structural rigidity.
Applications: Aerospace, marine, automotive, and architectural applications.
Aluminum Composite Panels (ACP):
Core Material: Polyethylene or fire-retardant core sandwiched between aluminum sheets.
Features: Lightweight, smooth surface, good weather resistance.
Applications: Exterior cladding, facades, signage, and interior design.
Fiberglass Reinforced Panels (FRP):
Core Material: Foam or honeycomb core reinforced with fiberglass.
Features: High strength, corrosion resistance, lightweight.
Applications: Industrial buildings, transportation, and environments requiring chemical resistance.
Phenolic Resin Panels:
Core Material: Phenolic resin foam.
Features: High fire resistance, low smoke emission, good thermal insulation.
Applications: Clean rooms, laboratories, and areas with stringent fire safety requirements.
Each type of sandwich panel is chosen based on the specific requirements of the project, such as thermal insulation, fire resistance, sound insulation, structural strength, and cost.