Underground HDPE Plastic Septic Tank for Toilet Sewage Treatment

Underground HDPE Plastic Septic Tank for Toilet Sewage Treatment. 50+ Year Lifespan: Boasts a service life exceeding 50 years under normal pressure conditions. High Compressive Strength: Features wave-shaped partitions and robust mechanical strength with SN20 rating. Leak-Proof Design: Equipped with water-resistant sealing materials to prevent leakage and protect groundwater. Wide Temperature Resistance: Operates efficiently across a temperature range of -100 to 200 degrees Celsius. Easy Installation: Offers flexible installation without the need for gravel or heavy machinery. Low Maintenance: Smooth inner walls ensure long intervals between cleanings, reducing maintenance costs. Corrosion Resistant: Made of high-quality PP/PE composite material resistant to acids, alkalis, and tensile forces. Fast Solids Removal: Eliminates 50%-60% of suspended solids within 12-24 hours of precipitation.