
SMC Molded FRP Septic Tank Glass Fiber Septic Tank, Sewage Treatment Biological Tank. Long Service Life: Over 50 years under normal circumstances, some exceeding 70 years. High Strength & Lightweight: Strength 10 times PVC, density 1/4 steel, 1/3 weight of concrete. Superior Corrosion Resistance: Resists acid, alkali, organic solvents, and salts effectively. Efficient Sewage Treatment: Three-chamber design with anaerobic fermentation for high biodegradation. Small Footprint: Large effective volume in small size, saving land excavation area. Low Maintenance Cost: No power needed, long cleaning cycle, and minimal post management. Flame Retardant: Advanced vinyl tanks have oxygen index not less than 28. Easy Installation: Lightweight design allows quick transport and installation.