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Replacing Heavy Metal Parts with Durable Plastic
Insulated Thermoformed Solutions
Thermoforming is our PASSION at SAY Plastics!
From Sketch to Exceptional Results
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Metric | Stainless Steel (304/316) | Foam-Insulated TPO (TPO + 0.25" Foam) | What It Means |
---|---|---|---|
Sound Transmission Class (STC) (Higher = Better Sound Blocking) | ~20-25 (poor sound barrier) | ~30-40 (good sound absorption) | Foam-Insulated TPO reduces noise transmission much better than steel. |
Noise Reduction Coefficient (NRC) (0-1 Scale; Higher = More Absorption) | ~0.05 (reflects most sound) | ~0.70-0.90 (absorbs most sound) | Foam backing absorbs vibrations, making it much quieter. |
Vibration Damping (Lower = More Vibration) | Low (High Vibrations & Noise) | High (Foam Absorbs Vibrations) | Foam-insulated TPO reduces mechanical noise and structure-borne vibrations. |
Density & Mass Impact on Acoustics | High Density = More Sound Reflection | Lower Density + Foam = More Sound Absorption | Steel amplifies sound, while foam dampens it. |
Metric | Stainless Steel (304/316) | Foam-Insulated TPO (TPO + 0.25" Foam) | What It Means |
---|---|---|---|
Thermal Conductivity (k) (W/m·K) | ~16.0 | 0.03 (Foam) + 0.2 (TPO) | Lower = Better Insulation (Foam-Insulated TPO is ~80x better than Steel). |
R-Value (0.125” thickness) (m²·K/W) | ~0.0002 | 0.2276 | Higher = Better Resistance to Heat Flow (Foam-Insulated TPO has 1000x better insulation). |
U-Value (Thermal Transmittance) (W/m²·K) | 5000.0 (high heat loss) | 4.39 (low heat loss) | Lower = Less Heat Transfer (TPO + Foam prevents heat loss). |
Specific Heat Capacity (c) (J/kg·K) | 500 | 1500 (Foam + TPO combined) | Higher = Holds Heat Longer (Foam + TPO retains heat better). |
Emissivity (0 - 1 Scale) | 0.07 (shiny, reflective surface) | 0.90 (absorbs heat evenly) | Higher = Better Heat Absorption (Foam + TPO evenly distributes heat). |
Density (kg/m³) | 8000 (very dense) | 600 (TPO) + 30 (Foam) | Lower = Lighter Material (Foam-Insulated TPO is significantly lighter). |