Initial Gas Amount Dialog

Use this dialog to specify the weight percentage and the foaming gas conversion percentage of the chemical blowing agent.

Settings

Weight % of CBA

The weight of chemical blowing agent in the resin, as a percentage.

Foaming gas conversion % of CBA by weight

The weight of foaming gas generated from the reaction of the chemical blowing agent, as a percentage. 1

Parent topic: Microcellular Injection Molding using a Chemical Blowing Agent
1 For example, for this chemical reaction:

2 NaHCO3 -> CO2 + H2O + Na2CO3,

For each gram of sodium bicarbonate in the resin, 0.262 g of carbon dioxide is generated. Therefore, the Foaming gas conversion % of CBA is 26.2%.