Fuzhou Fuqiang Precision Co., Ltd.
Centennial Fuqiang Global Presence
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Battery Thermal Management System Compressive Pad TDS compressive stress FR-MPP Foam Sheet
MPP foam, a type of closed-cell foam derived from polypropylene beads, offers a range of benefits that make it highly suitable for insulation in NEV batteries. The unique properties of MPP foam, including its thermal insulation, temperature stability, and fire protection capabilities, contribute to the optimal performance and safety of NEV battery systems.
With its exceptional thermal insulation properties and low thermal conductivity, MPP foam effectively regulates and maintains stable operating temperatures within NEV batteries. This is crucial for preserving battery performance and preventing overheating, which can lead to reduced efficiency and potential safety hazards. By minimizing heat transfer, MPP foam ensures that the battery operates within the desired temperature range, enhancing its overall functionality and longevity.
One of the advantages of MPP foam is its versatility in density options and customization. This flexibility allows manufacturers to tailor the foam to meet the specific thermal protection requirements of different NEV battery applications. By selecting the appropriate density, NEV manufacturers can effectively optimize temperature management, ensuring that the battery remains in an ideal operating condition.
In addition to its thermal properties, MPP foam boasts excellent fire protection capabilities. It is classified as UL94 V-0, indicating its outstanding resistance to ignition and non-propagation of flames once the ignition source is removed. This fire-resistant characteristic makes MPP foam an ideal material for NEV battery applications, as it helps prevent the spread of fire and improves overall safety. In the unfortunate event of a fire, MPP foam can contain the flames and aid in extinguishing them, minimizing potential damage and reducing the risk of injury.
Overall, MPP foam offers a reliable solution for NEV battery insulation, ensuring stable operating temperatures and providing fire protection. Its thermal insulation properties, temperature stability, and fire-resistant nature contribute to the efficient and safe performance of NEV batteries. By incorporating MPP foam into battery systems, NEV manufacturers can enhance the reliability and safety of their vehicles, promoting the advancement of electric mobility while prioritizing customer satisfaction and peace of mind.
The main performance parameters are shown in Table
| Property Name | Unit | MPP25 Index | Test Standard |
| Colour | / | CMYK 0~20(White) | PANTONE |
| Density | kg/m3 | 36±5 | initial Thickness Detection Using The Mitutoyo 547-301 Thickness Gauge; By Weight, Volume Calculate Density; |
| Compression Curve | MPa | 10%:0.11≤σ≤0.24 20%:0.14≤σ≤0.34 30%:0.17≤σ≤0.38 40%:0.22≤σ≤0.42 50%:0.28≤σ≤0.47 60%:0.34≤σ≤0.54 70%:0.44≤σ≤0.67 | compression Rate 2mm/min 0.02~8mpa Compression Curve Sample Size 50*50*2mm |
| Tensile Strength | MPa | ≥1.3 | astm-d3574- 08 5mm/min (stretch Rate) |
| Tensile Modulus | MPa | ≥2.8 | |
| Shear Strength | MPa | ≥1.1 | astm C273c 273m 5mm/min (shear Rate) |
| Shear Stiffness | MPa/ mm | ≥0.6 | astm C273c 273m 5mm/min (shear Rate) |
| Shear Modulus | MPa | ≥1.2 | astm C273c 273m 5mm/min (shear Rate) |
| low-Temperature Stretching -30℃ | MPa | ≥1.2 | astm-d3574- 08 5mm/min (stretch Rate) |
| high-Temperature Stretching 60℃ | MPa | ≥1.0 | astm-d3574- 08 5mm/min (stretch Rate) |
| Double 85 Stretched After Aging | MPa | >1.2 | astm-d3574- 08 5mm/min (stretch Rate) |
| coefficient Of Friction Of Mpp To Blue Film | / | 0.181≤μs≤0.577 0.112≤μk≤0.535 | Gb 10006-88 |
| Roughness | μm | 5~40 | gb/t 1031-2009 |
| Flame Retardant | / | UL94 HF-1 ( Thickness 10mm) | Ul94 |
| Prohibited Objects | / | RoHS | Rohs |
| Insulation Resistance | MΩ | ≥500 | 1000v Dc 60s |
| mA | ＜1 | 2700v/60s | |
| Thermal Conductivity | W/(m·℃) | ≤0.05 | gb/t 10295-2008 |
| Specific Heat Capacity | J/(kg·℃) | 1880±200 (@0℃) 2235±200 (@40℃) 2680±200 (@80℃) | Astm E1269-2011 |
| Hard Stiffness | mm | ≤50 | "The sample (250*50*2mm) is placed flat on the high platform, 50mm at one end is fixed on the platform, and the other end is 200mm suspended to detect the suspended end End sag height" |
| Compressive Stress Retention Rate | / | ≥20% | compress 50% Hold 30 Days, and Detect Pressure Changes |
| Flatness | mm | ≤4 | dimensions: 100*150 Mm |
Flame retardant test results
| Test Item | Test Method | Unit | Multiplier | |||
| 10P | 15P | 20P | 25P | |||
| Density | ISO 845:2006 | kg/m³ | 90 | 60 | 45 | 36 |
| Compressive Strength 10% | GB/T8813-2008 | MPa | 0.56 | 0.36 | 0.3 | 0.23 |
| Bending Strength | GB-T 8812.2-2007 | MPa | 0.9 | 0.68 | 0.44 | 0.36 |
| Bending Modulus | GB-T 8812.2-2007 | MPa | 49 | 33 | 24 | 18 |
| Hardness | SHORE C | HC | 81 | 75 | 66 | 55 |