PVC NBR Rubber Foam Insulation | Office buildings, HVAC systems, industrial noise control | Thermal Conductivity: 0.035 W/m·K (Base) ▲ 0.028 W/m·K (Advanced) (ASTM C177) Non-flammable: Class A (ASTM E84) Sound Absorption: 0.6 NRC (Base) ▲ 0.8 NRC (Advanced) (ISO 354) | ▲ Superior thermal/sound performance in Advanced tier Chemical resistance (ASTM D543) Flexible and durable | Higher cost than fiberglass Requires professional installation Heavier than alternatives |
Fiberglass Insulation | Residential walls, attics, HVAC ducts | Thermal Conductivity: 0.026 W/m·K (ASTM C518) Moisture Resistance: 5 perms (ASTM E96) | Lightweight and cost-effective Easy to install | Prone to moisture absorption Causes skin irritation Lower fire resistance (Class B) |
Mineral Wool (Rockwool) | Industrial buildings, acoustic ceilings | Thermal Conductivity: 0.044 W/m·K (ASTM C518) Fire Resistance: 2-hour rating (ASTM E119) | Fire-resistant and sound-absorbing (0.7 NRC) Moisture-resistant | Heavy and dusty Higher cost than fiberglass Brittle when cut |
Polyurethane Foam | Refrigeration units, industrial pipes | Thermal Conductivity: 0.020 W/m·K (ASTM C518) Closed-cell Structure: 92% (ASTM C168) | Excellent thermal performance Moisture-resistant | Flammable unless treated (Class B) Environmental concerns (CFC-free variants available) |
Cellular Glass Insulation | Below-grade construction, cryogenic tanks | Thermal Conductivity: 0.045 W/m·K (ASTM C177) Non-combustible: Class A (ASTM E84) | Non-flammable and chemically inert Long lifespan (50+ years) | Brittle and fragile High cost Difficult to cut and install |
Extruded Polystyrene (XPS) | Residential walls, roofing | Thermal Conductivity: 0.033 W/m·K (ASTM C518) Moisture Resistance: 1.0 perms (ASTM E96) | Lightweight and cost-effective Moisture-resistant | Flammable unless treated (Class C) UV degradation over time Environmental impact (non-biodegradable) |