Retarder Tartaric Acid in concrete delaying the hydration process
Tartaric acid, 2,3-dihydroxysuccinic acid, is a carboxylic acid that is found in many plants, such as grapes and tamarind, and is also one of the main organic acids in wine. As an antioxidant added to food, it can give food a sour taste. The biggest use of tartaric acid is as a beverage additive. It is also a raw material in the pharmaceutical industry and can be used as a retarder for hydration growth crystals.
Product name: tartaric acid
CAS number:87-69-4
Molecular formula:C4H6O6
Structure formula: HOOCCHOHCHOHCOOH
features: white powder, water soluble. It can be used as retarder in cement industry. The additive value is small, and the effect is obvious.
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Test Stndard
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Enterprise Standard
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Item
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Index
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Result
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Appearance
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White Powers
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Comply
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| Assay% |
≥96.5 |
96.7 |
| Loss on drying % |
≤0.5 |
0.36 |
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Anti-Caking Content %
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3 |
3 |
| ＜63um Size(63um) % |
≥98.5 |
98.7 |
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Testing Result
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Passes Test
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Applications: It can be used as antioxidant synergist , set retarder, tanning agent. It can also be widely used in pharmacy, food, leathering and textile industries. When the temperature is low, the product has low water soluble ability and it will generate insoluble calcium salt.
Product package:double bagged,inside is polyethylene film bag,the outside is woven bag,each package is 25kg/bag.
Applicable Scope
-Ordinary Portland cement (PR)
-32.5/42.5/52.5/clinker
-Aluminate cement/high aluminum/clinker Gypsum system with higher pH
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