FAQ：Kieserite Quality and Specifications

FAQ:Kieserite Quality and Specifications

1. What is the purity (%) of your kieserite？
   Rongqing Chemical
2. Is your kieserite natural or synthetic?
   Rongqing Chemical
3. What are the typical chemical specifications (MgO, SO₃, moisture content, etc.)?典型的化学规格是什么（MgO、SO₃、水分含量等）？
4. Can you provide a recent COA (Certificate of Analysis)?你能提供一份最近的 COA（分析证书）吗？
5. Do you offer granular or powdered kieserite? What mesh size or granule size?你们提供粒状或粉状钾镁矾吗？什么网目尺寸或颗粒尺寸？
6. Is your product compliant with agricultural or industrial standards (e.g., GB, ISO, REACH)?您的产品符合农业或工业标准（例如，GB、ISO、REACH）吗？
7. .Is your product compliant with agricultural or industrial standards (e.g., GB, ISO, REACH)?您的产品符合农业或工业标准（例如，GB、ISO、REACH）吗？