PMI foam Core & Sandwich Manufacturer
Polymethyl methacrylamide (PMI) foam is a high-performance closed-cell rigid foam core material copolymerized from methyl acrylate and methacrylonitrile. It exhibits outstanding specific strength, high-temperature resistance, and fatigue resistance, making it widely used in composite sandwich panels for aerospace, marine, rail transportation, and wind turbine blades. Composite Box offers densities ranging from 30 to 300 kg/m³.
Descripción del producto
Polymethyl methacrylamide (PMI) foam is a comprehensive high-performance foam core material. With a density range of 30-300 kg/m³, it exhibits excellent tensile and compressive strength, particularly maintaining high mechanical property retention at elevated temperatures.
- Compared to PVC and PET foams, PMI exhibits 30-50% higher strength at equivalent densities and significantly superior heat resistance, withstanding curing temperatures exceeding 180°C in prepreg processes.
- Unlike honeycomb materials, PMI foam is isotropic, facilitating curved surface molding without moisture ingress concerns.
It exhibits balanced shear modulus and compressive strength, delivering outstanding fatigue resistance for sustained dynamic loading. PMI foam also features excellent chemical resistance, low moisture absorption, superior dimensional stability, and a high heat deflection temperature exceeding 200°C.
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Dimensiones
| Size (mm) | Color | Densidad (kg/m³) |
|---|---|---|
| 1000×500 | Blanco | 52 |
| 1250×650 | Beige | 75 |
| 2000×1000 | Light Gray | 110 |
| 1500×750 | Blanco | 150 |
| 2500×1250 | Gray | 200 |
Rendimiento
| Performance Property | Test Standard | Typical Value (Density 75 kg/m³) | Unit |
|---|---|---|---|
| Resistencia a la compresión | ASTM D1621 | 2.1 | MPa |
| Resistencia a la tracción | ASTM D1623 | 3.2 | MPa |
| Resistencia al cizallamiento | ASTM C273 | 1.8 | MPa |
| Resistencia a la flexión | ASTM C393 | 3.5 | MPa |
| Módulo elástico | ASTM D1621 | 95 | MPa |
| Heat Deflection Temperature | ASTM D648 | 200 | °C |
| Water Absorption (24h) | ASTM D2842 | <0.5 | % |
Parámetros del producto:
| Propiedad | Valor |
|---|---|
| Nombre | Espuma rígida de tereftalato de polietileno (PET) |
| Densidad | 38-200 kg/m³ |
| Espesor | 10-130 mm |
| Conductividad térmica | 0,03 W/m-K |
| Resistencia a la compresión | 1,5-2,5 MPa |
| Resistencia a la flexión | 10-15 MPa |
| Absorción de agua | ≤2% |
| Reciclabilidad | 100% Reciclable |
| Vida útil | 20 años |
Generate 4 primary applications
Aerospace: Lightweight structural components such as wings, rudders, radomes, and interior panels
Rail Transportation: High-speed train interior panels, roofs, floors, and sound/heat insulation components
Wind Power Generation: Core reinforcement materials for wind turbine blades to enhance stiffness and fatigue life
Marine Industry: Hulls, decks, and superstructures for luxury yachts and high-speed vessels
Storage Conditions and Precautions
1. Environmental Requirements: Store in a dry, well-ventilated area with relative humidity <70% and temperature between 15-25°C.
2. Avoid Contact: Keep away from organic solvents, strong acids, strong alkalis, and other chemicals to prevent surface corrosion.
3. Protective Measures: Prevent crushing by heavy objects and avoid scratches from sharp items.
4. Stacking Restrictions: Stack flat with a maximum height of 1.5 meters to prevent bottom deformation.
Custom Processing
Embedded Reinforcement Structures
To enhance strength and functionality, reinforcement materials can be embedded within composite panels. Options include plywood, aluminum alloy profiles, GRP tubes, steel structural components, and more.
Multi-Material Composite Processing
We specialize in composite processing of materials such as FRP, CFRT, and foam cores, delivering superior performance while meeting diverse application requirements.
High-Precision CNC Machining
Advanced CNC machining centers enable high-speed precision cutting, complex contour milling, drilling, and more.
Edge Processing
Edge finishing and connector integration are performed according to specific requirements. Services include edge wrapping, chamfering and grinding, waterproofing, and embedded nuts.
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