Sandwich composite carbon plates (usually in a sandwich structure of "carbon fiber skin + lightweight core material"), relying on the design of "surface stress + core material support", achieve performance breakthroughs. Typical application scenarios Aerospace Satellite structures, aircraft cabins Lightweight + high stiffness + temperature resistance (-200°C to 120°C) Medical equipment CT/X-ray machine plates High X-ray transmission + shock absorption + non-magnetic High-end equipment Unmanned aerial vehicles, racing car chassis Lightweight + impact resistance + high rigidity Ocean engineering Ship hulls, offshore platform components Corrosion resistance + high specific strength

The internal structure of PMI foam is closed-cell, with a low thermal conductivity (0.02-0.04 W/(m · K)). Combined with the low thermal expansion coefficient of carbon fiber, the board has both heat insulation and heat preservation performance. Meanwhile, the foam core material can effectively absorb impact energy and has a better shock absorption effect than solid boards (such as when used in the shells of precision instruments and high-end sports equipment).

Aramid honeycomb with options of 29 - 144 kg/m³. Aramid honeycomb, with its comprehensive advantages of "lightweight, high strength, durability, and stability", is widely used in fields with strict performance requirements such as aerospace (fuselage structure, cabin doors), high - end rail transit (high - speed rail interiors), ships (lightweight decks), and new energy (wind turbine blades).

PP honeycomb sheet，70-80 kg /m³, pore size 6-8mm, low price

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