Graded Natural Quartz Sand For Resin-Bound Flooring And

Lianyungang Changtong Silica Powder Co., Ltd., founded in 2009, is a specialized manufacturer of silica-based mineral fillers located in Lianyungang, Jiangsu Province, China - a region known for high-purity quartz resources.

Our product families include: crystalline silica powder, fused silica sand and powder, calcined cristobalite, high-purity quartz flour, washed and graded quartz sand, and customized quartz products. Typical applications span electronic packaging, paint and coatings, epoxy flooring, silicone rubber and cable compounds, enamel frits and ceramic glazes, refractory castables, engineered stone slabs, investment casting (including dental and jewelry), and ceramic shell mould washing.

With a monthly capacity of about 1,000 MT, we control quality from ore selection to final grading. Every batch ships with a Certificate of Analysis; SGS test reports, RoHS compliance and ISO 9001 quality management support our export business. Mesh sizes from 325 mesh to ultrafine 3,000 mesh, plus surface-treated grades, are available.

We export through the Port of Lianyungang and welcome RFQs from distributors and end users worldwide. Trial orders, custom mesh sizing and technical data sheets are available on request. Visit https://lygsilica.com for full specifications.