In the field of craft products, the core role of amino acid gypsum retarder is to precisely control the setting time of gypsum slurry, meeting the requirements of multiple process operations such as manual shaping and mold casting. Its specific functions are as follows:
1. Extend the operation window period: The flowability and moldability time of gypsum slurry can be extended to 10-60 minutes (adjusted according to the dosage), meeting the manual shaping and detailed engraving requirements of gypsum dolls, artistic sculptures and other products, and avoiding modeling defects caused by the rapid solidification of the slurry.
2. Enhance the uniformity of the slurry: It has good compatibility with gypsum powder, which can reduce the stratification and bleeding of the slurry, ensuring a dense and uniform internal structure of the gypsum body after pouring, improving the surface smoothness of the product, and reducing defects such as bubbles and pitted surfaces.
3. Reduce the risk of strength loss: Compared with traditional retarders, its dosage is extremely low, which will not significantly reduce the final compressive and flexural strength of process gypsum products, ensuring that the hardness of the products meets the standards and is less prone to damage and deformation.
4. Compatible with multiple gypsum systems: It has excellent retarding effects on both α -type high-strength gypsum and β -type building gypsum, and is highly compatible with process auxiliaries such as pigments and reinforcing fibers, without affecting the color presentation and additional performance of the products.
5. Environmental protection and safety: The amino acid retarder itself is non-toxic and odorless, and is a green and biodegradable product, meeting modern environmental protection requirements (especially for children's toy gypsum dolls). There are no irritating volatile substances during the production and use process.
In conclusion, amino acid gypsum retarder has become an ideal choice in the field of modern gypsum craft products due to its excellent retarding performance, low damage to the strength of products and even enhancing effect, outstanding environmental protection characteristics, and good adaptability to industrial by-product gypsum. It not only solves the problem of rapid setting of traditional gypsum, but also provides strong technical support for the production of complex, fine, high-strength and environmentally friendly gypsum products, promoting the industry to develop in a higher quality and more sustainable direction.
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