how to choose piston for sterile disposable syringes veterinary

The piston can be influence to the sealing of the sterile disposable syringes veterinary,so you need know how to choose the piston.

The syringe’s standard piston is brombutyl or chlorobutyl piston,this piston is used commonly,but if the medicine react with this piston, or need reduce silicone oil,you need choose the PTFE coating piston or PTFE piston.So if you want choose piston,you need pay attention to the following points:

1. the price of piston
2. whether the drug react with piston
3. the dosage of silicone oil
4. when press piston,whether the piston come into being particle
5. squeezability of piston

The standard piston is cheaper than PTFE piston,but the stability is less than PTFE.So you need choose piston according to your physical truth.