... 1. Made of PE, PVC, EVA, HDPE; 2. Excellent flexibility; 3. Good waterproofing function; EVA, HDPE Waterproofing Board Introduction:1. High polymer as raw ... material, such asPE, PVC, EVA, HDPE;2. Impermeability and ... bases; water barriers of expansive soils and collapsible. EVA, HDPE Waterproofing Board