NovElite® BNE-7604 Gypsum retarder is a kind of high-performance powder retarder, suitable for calcium sulfate (gypsum) based bond system. Excellent performance in adjusting the setting time and workability of calcium sulfate binders, especially for strongly alkaline α-and β-hemiwater binders, such as calcium hydroxide or cement applied in formation.
1.Production of Gypsum plaster
2.Production of self-levelling screeds and underlayments
3.Production of moulding and modelling plaster
Physical and chemical properties：
|Composition||Derivative of Polymerized amino acid|
|Appearance||Light yellow powder|
|PH Value||Approx. 9 (5% solution)|
|Storage conditions||Dry storage at temperatures up to +40°C. Protect from direct sunlight|
|Shelf life||24 months shelf life from date of production if stored properly in undamaged, unopened, original sealed packaging|
Volume of Addition Suggested：
It is recommended to add 0.2~0.5% of the total gypsum. For best results, please test in advance.
1.There is a linear relationship between the added amount and the operable time;
2.Long retarding time;
3.Evenly stabilize the mixture.
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