With the continuous development of ready-mixed concrete, fly ash has become increasingly tight raw material, due to the shortage of fly ash, raw material suppliers to find ways to purchase from a variety of sources, causing many companies encountered in the production of concrete to "desulfurization", "injection gray", "non-vitreous fly" to the project to bring some undue loss. Desulfurization, injection gray, non-vitreous ash used in concrete concrete will cause bleeding, retarding, strength loss and other problems. In today's tight supply of fly ash state, in order to ensure the quality of concrete, concrete manufacturers should attach great importance to fly into the factory inspection, it is recommended to do the following: (a) the raw materials into the plant must be strictly checked, fly ash To truck inspection, to promptly report unusual technical director, staff on duty are not allowed to handle the test material is not normal. (2) should be strengthened to fly vendor training, when changing supply manufacturers want to supply at check verification. (3) fly ash replacement manufacturers, or the appearance of abnormal color when water demand to do more than prevent substandard ash production. For more information you can call our service hotline, you can also visit our official website for more information hwww.rdlhbsb.com!