The following types are general types of  HDPE empty cartridge for acetic silicone sealant, we can meet your requirement 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. )