Size: 10-150mm Material: PP/PE/RPP/PVC/CPVC Shape: ball Color:white/black/transparent Temperature:60-150 degree piece weight: 0.2-100g Packing number:51.5-11600 pieces/m² Life span:>3 years Advantages: strong heat resistance and chemical res istance/stable barycenter/good coverage effect Application: chemical/oil/chlor-alkali/electricity and ect