1. Polypropolyne for tube and polyethylene for cap
  2. Clear graduation and large white marking area
  3. 3 types can be chosen: 15ml/50ml conical, 50ml self-standing.
  4. Max rotate speed up to 12000g for 15ml
  5. Max rotate speed up to 9000g for 50ml
  6. 2 types of package can be chosen, bag package and foam package.
  7. Different colored caps for easy identification
  8. Bulk Package, 25pcs/bag, 20bags/ctn