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