... to farms SMC Biogas Digester: SMC biogas gas tank: 1, high effect of creating gas, FRP's thermal conductivity is 1.42kj ... resin used to ensure the quality and reliability of sealing, high strength, light weight, corrosion resistance, anti-aging, anti-leakage ... a hole, into, a gate and the water pressure, the high mechanical strength and elongation, greatly exceeding the required hydraulic digesters ...