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Inorganic foaming agents improve the efficiency of the foaming process through endothermic reactions. This type of reaction enhances the quality of the foamed product and avoids issues seen in organic foaming agents such as discoloration and unpleasant smells.
Basic grades
Grade
|
P-2
|
P-4
|
P-5
|
P-3
|
---|---|---|---|---|
Main component
|
Sodium bicarbonate | Organic salt | ||
Decomposition Temp. (℃)
|
170~220 | 170~210 | 150~170 | 200~250 |
Gas volume (ml/g)
|
100~105 | 125~135 | 115~125 | 95~100 |