【Whiteness Meter】Specially designed for powder materials, suitable for kaolin, calcium carbonate, talcum powder, cement, pigments, etc., to ensure that the sampling density is consistent with the surface roughness and improve the test accuracy 【Easy to Use】With glass plate to flatten the sample surface, the handle design is ergonomic (diameter 15mm), pressing is labor-saving, and the sample preparation process is completed quickly 【Standardized Sample Preparation】Can press uniform sample blocks with a diameter of 4cm, unify weight, size and pressing method, eliminate human errors, and ensure the comparability of data such as whiteness test 【Durable Materials】The metal main structure is stable and pressure-resistant, and it will not deform after long-term use. The total weight of the package is 401g, including protective design, which is safer for transportation and storage 【Compact and Convenient】Lightweight small bag shape, weighing only 277g, compact size and easy to carry, easy sampling anytime, anywhere, to meet laboratory or on-site testing needs