Full Multi-Material Comparison (7 Materials)
Melamine Foam • Aerogel–Melamine Foam • Polyamide Foam • Polyimide Foam • XPE/IXPE • NBR/PVC • Mineral Wool

1. Thermal Conductivity Comparison (Lower = Better Insulation)
Material λ Value (W/m·K) Notes
SINOYQX Aerogel–Melamine Foam 0.017–0.020 Best-in-class ultra-insulation
Polyimide Foam 0.025–0.030 Aerospace-level
SINOYQX Melamine Foam 0.032–0.040 Lightweight & stable
NBR/PVC Rubber Foam 0.034–0.040 HVAC-grade closed-cell
XPE/IXPE Foam 0.038–0.043 Building, automotive
Mineral Wool 0.035–0.045 Construction standard
Polyamide Foam 0.040–0.055 Mechanical-grade
🔥 Winner:
Aerogel–Melamine Foam → best thermal insulation in all categories

2. Fire Safety Performance
Material Fire Rating Notes
SINOYQX Melamine Foam UL94 V-0 / EN45545 HL3 Naturally flame-retardant
Aerogel–Melamine Foam UL94 V-0 / EN45545 HL3 No additives required
Polyimide Foam UL94 V-0 Extreme heat stability
Mineral Wool A1 Non-combustible Ideal for buildings
NBR/PVC Rubber Foam B1–B2 Requires additives
XPE/IXPE Foam B2–B3 Flammable unless modified
Polyamide Foam HB–V2 Not flame safe
🔥 Leaders:
Melamine Foam • Aerogel–Melamine Foam • Polyimide Foam • Mineral Wool

3. Acoustic Absorption (NRC)
Material NRC
SINOYQX Melamine Foam 0.85
Aerogel–Melamine Foam 0.80–0.90
Mineral Wool 0.75–0.85
Polyimide Foam 0.70–0.80
NBR/PVC Rubber 0.30–0.45
Polyamide Foam 0.25–0.40
XPE 0.20–0.35
🎧 Best Acoustic Materials:
Melamine Foam • Aerogel–Melamine Foam • Mineral Wool

4. Temperature Resistance
Material Working Range
Polyimide Foam –240°C to +300°C
Aerogel–Melamine Foam –200°C to +250°C
SINOYQX Melamine Foam –200°C to +240°C
Mineral Wool 0°C to 800°C (non-structural)
Polyamide Foam –40°C to +150°C
NBR/PVC Rubber –30°C to +105°C
XPE/IXPE –40°C to +90°C
🔥 Widest Performance Range:
Polyimide Foam • Aerogel–Melamine Foam

5. Mechanical Strength
Material Strength / Durability
Polyamide Foam Strongest / most durable
XPE / IXPE High toughness
Polyimide Foam Lightweight + strong
NBR/PVC Foam Good for vibration damping
Aerogel–Melamine Foam Improved strength
SINOYQX Melamine Foam Weak / brittle
Mineral Wool Brittle
🏋️ Most Durable:
Polyamide Foam

6. Chemical Resistance
Material Chemical Resistance
Polyamide Foam Excellent
XPE / IXPE Good
NBR/PVC Good (oil resistant)
Polyimide Foam Good
Aerogel–Melamine Foam Medium
Melamine Foam Medium
Mineral Wool Poor vs acids
🧪 Most Chemical Resistant:
Polyamide Foam

7. Water Absorption
Material Water Behavior
XPE / IXPE Foam Closed-cell, water-proof
NBR/PVC Foam Excellent
Polyamide Foam Good
Aerogel–Melamine Foam Medium
Melamine Foam High unless hydrophobic
Mineral Wool High absorption
Polyimide Foam Low
💧 Best Moisture Performance:
XPE / NBR-PVC

8. Cost Ranking
Material Cost Level
XPE / IXPE Foam Low
Mineral Wool Low
NBR/PVC Foam Low–Medium
Polyamide Foam Medium
SINOYQX Melamine Foam Medium
Polyimide Foam High
Aerogel–Melamine Foam Very High

9. Application Guide
SINOYQX Melamine Foam – Best for:
Architectural acoustics
HVAC thermal & acoustic lining
Rail transit (EN45545 HL3)
EV battery insulation
Cleanrooms & electronics
SINOYQX Aerogel–Melamine Foam – Best for:
Aerospace insulation
Extreme temperature pipelines
Cryogenic transportation
EV battery thermal runaway control
High-end cold chain logistics
Polyamide Foam – Best for:
Adhesive-backed insulation strips
Vibration damping
Mechanical cushions and pads
Polyimide Foam – Best for:
Satellites
Aircraft ducts
High-temperature electronics
XPE / IXPE – Best for:
Automotive interior
Floor underlay
Sports pads
NBR/PVC – Best for:
HVAC ducts & chillers
Refrigeration
Anti-condensation
Mineral Wool – Best for:
Building thermal insulation
Fireproof walls & ceilings
Industrial furnaces

10. Overall Winners by Category
Category Best Material
Thermal insulation Aerogel–Melamine Foam
Fire safety Melamine, Aerogel–MF, Polyimide, Mineral Wool
Acoustic absorption Melamine / Aerogel–MF
Mechanical strength Polyamide Foam
HVAC NBR/PVC
Low-cost insulation XPE / Mineral Wool

📞 SINOYQX Contact Information (Required by User)
📧 Email: [email protected]
📞 Phone / WeChat: +86-135-4070-2776
🌐 Website: www.sinoyqx.com