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Cement-based materials have significant volume sensitivity. Once the shrinkage stress caused by the volume change exceeds the limit, it will crack. There are two main reasons for volume shrinkage: temperature shrinkage and drying shrinkage. Given that the volume is "hand-held grade", temperature shr... read more
What are folk crafts? Strictly speaking, folk crafts refer to the process of processing objects, including the processing skills of artworks. The word "folk" in folk crafts does not refer to the production site or location of the product, but refers to the content of the product. In addition to the ... read more
Folk handicrafts refer to a kind of arts and crafts produced by hand-made folks in order to meet the needs of life and aesthetic requirements. There are many kinds of handicrafts, such as Song Jin, bamboo weaving, straw weaving, hand embroidery, blue printed cloth, batik, handmade wood carving, clay... read more
Mold making needs to be done according to the designed shape and size. Carpenter masters are required to help complete it. For complex shaped crafts, the corresponding molds should be made according to the specifications of the split unit. The finished mold needs a polishing machine to polish the su... read more
1. Avoid moisture and hardening Moisture and hardening cement will reduce or even lose the original strength, so the specification stipulates that the cement that has been shipped for more than 3 months should be reviewed and used according to the test results. Cement that has been wetted into agg... read more
