... 3). Smooth surfaces, UV UV stabilized 4)collision PE Tank Contianer is rotomolded in one-shot with PE bottom and ... strength requirements<6> Performance: PE vertical chemical tank is one-piece rotomolding tank, no welds or joints to fail. Smooth ... rodent prevention and termite prevention.<7>Application: PE vertical chemical tank apply to chemical industry, electronics, rare earth, metallurgy, machine, ...