Vermiculite board for condensing gas boiler made of premium expanded vermiculite has uniform texture, low thermal conductivity, and excellent high temperature resistance, ideal for condensing gas boiler insulation. It reduces heat loss, stabilizes working temperature, and improves energy efficiency. High temperature resistant and non‑flammable, safe and reliable. Strong moisture resistance and corrosion resistance prolong boiler life. Lightweight and easy to process, lowering maintenance costs. Non‑toxic and eco‑friendly, suitable for heating equipment. Customizable sizes for different needs. For detailed pricing and customization, please contact us.