Good HDPE silicone sealant empty cartridge for silicone sealant, etc.
The following types are general types of HDPE silicone sealant empty cartridges; we can meet your requirements for other specifications.

Raw material: Imported HDPE
1-weight of body: 48g
Weight of plunger: 7g
Weight of nozzle: 3.5-4.0g
Contents (net): 280ml-310ml

2-weight of body: 53g
Weight of plunger: 7g
Weight of nozzle: 3.5-4.0g
Contents (net): 280ml-310ml

3-weight of body: 56g
Weight of plunger: 7g
Weight of nozzle: 3.5-4.0g
Contents (net): 330ml

4-weight of body: 1.08kg
Weight of plunger: 0.345kg
Contents (net): 20L

Plunger: Weight of plunger: 6g, 7g, 15g, 17g, 16g, 18g, 19g, 25g, 35g, 40g
(we can also make the weight of the plunger as your need. )