Semi-grid Melamine Foam

Functional Applications for Technical Integration
Semi-grid Melamine Foam serves specialized industrial and prototype development needs, targeting engineers and manufacturers requiring a balance of lightweight structural integrity and cushioning. Designed for direct foaming methods, these melamine foam sheets cater to users who demand flame-retardant, thermally stable materials that can withstand harsh environmental conditions. The foam’s semi-grid configuration allows for controlled flexibility in applications such as battery module cushions, protective housings, and insulating barriers. Melamine foam manufacturers deliver this product to meet exacting standards, ensuring seamless integration into complex assemblies while supporting rapid prototyping and high-reliability component fabrication.

Technical Specifications and Measurable Properties
This product offers a uniform density of 16±2 kg/m³ with confirmed tensile strength of 92 kPa and tear strength exceeding 35 N/m, affording durability under mechanical stress. The semi-grid melamine foam sheet resists extreme temperatures ranging from -200°C to +240°C while maintaining electrical insulation properties with volume resistivity ≥ 10 Ω·cm. Flame retardant certifications including GB8624-2012 B1 and UL94 V0 assure compliance with international fire safety standards. The KF21 formulation ensures minimal water vapor absorption and maintains dimensional stability with a compression set ≤ 25%, supporting consistent performance across thermal cycles and chemical exposure scenarios.

Industry-Specific Uses and Practical Value
Semi-grid Melamine Foam finds extensive application in automotive and electronic sectors, particularly for battery pack cushioning, cover plates, and water cooling rigs, where mechanical strength and insulation are critical. It is also utilized in the manufacturing of flame-retardant prototype components and sound-absorbent panels for electronic enclosures. Melamine foam suppliers ensure reliable batch consistency, enabling production workflows that demand precise material properties. The versatility of processing into blocks or sheets allows engineering teams to accelerate design iterations, reduce material waste, and maintain safety standards in end-use products subjected to rigorous operating environments.


Product Advantages

Design Optimization Supporting Modular Use
The semi-grid architecture of this melamine foam sheet balances flexibility and support, facilitating modular design adaptability for engineering applications. The semi-grid structure enhances mechanical resilience without compromising lightweight characteristics, thus optimizing system integration in complex assemblies. Melamine foam manufacturers provide this material with consistent density and dimensional accuracy, which simplifies cutting and shaping processes for customized solutions. The flame-retardant formulation meets multiple certification criteria, ensuring safe incorporation into composite parts and layered insulation systems without additional treatment or reinforcement.

User-Centric Performance and Material Efficiency
With excellent compression recovery and corrosion resistance, this semi-grid melamine foam supports durability in demanding operational settings. Its stable thermal resistance across a wide temperature range guarantees functional reliability for insulation and protective use, while low water vapor adsorption reduces degradation risks in humid conditions. Melamine foam sheets facilitate straightforward machining and bonding, which expedites prototype development and production cycles. The product’s electrical insulation properties also contribute to improved safety margins in electronic and automotive applications, thereby delivering measurable value throughout the product lifecycle.


Kangerna® Model KF21 is a 16kg/m³ melamine foam that is directly foamed. It has material properties such as flame retardancy, good resilience, high and low temperature resistance, electrical insulation, corrosion resistance, and oxidation resistance. It is widely used in the field of automotive power batteries, such as battery box walls, cover plates, water cooling plates and other peripheral components. Currently, companies such as CATL，CALB，Tesla, etc. are using it.

Comparison with 8 kg/m³ melamine foam and compressed 16 kg/m³ melamine foam

1. Compared with traditional 8 kg/m³ melamine foam, Model KF21 has higher hardness and higher compression stress, so it can better play a buffering role.
2. Compared with compressed 16 kg/m³ melamine foam, Model KF21 has a more uniform density and is easier to process.

                                                             Technical Data Sheet