Changsha Zhonglong Chemical Co., Ltd. — Supplier
About Changsha Zhonglong Chemical Co., Ltd. - Ceramic Raw Materials Supplier in China
China hosts six active products listed by Changsha Zhonglong Chemical Co., Ltd., covering both finished ceramic cookware and high‑purity ceramic powders. The catalogue includes a 12.5‑inch heat‑resistant ceramic Tajine pot, bulk zirconium dioxide, two entries for yttria‑stabilized zirconia, a zirconia bead with HS code 6909.19, and a zirconia ball. The bead is described as Y‑TZP with 94‑95 % ZrO₂ content, placing it in the HS chapter 69 family for ceramic products. The other items are recorded without HS codes but are clearly within the ceramic raw‑material and cookware categories.
Product Range and Specialties of Changsha Zhonglong Chemical Co., Ltd.
The listed items span two distinct segments: a consumer‑grade heat‑resistant ceramic pot and several advanced ceramic powders and granules. In the industry, zirconium dioxide powders are supplied in grades such as 99.5 % purity for optical applications or Y‑TZP (94‑95 % ZrO₂) for dental and cutting‑tool use, often with particle sizes ranging from 0.1 µm to 5 µm. Beads and balls are typically produced to specific diameters (e.g., 2 mm to 10 mm) and graded by sphericity and surface finish. Ceramic cookware like the Tajine pot is usually made from high‑temperature stoneware or alumina‑silicate bodies, tested for thermal shock resistance and food‑contact safety.
Trade and Export Information - Changsha Zhonglong Chemical Co., Ltd.
China is a major exporter of both finished ceramic cookware and high‑purity ceramic powders. HS code 6909.19 covers other ceramic articles, which are commonly shipped to the European Union, the United States, and Southeast Asian markets for both household and industrial use. Buyers of Y‑TZP powders often request ISO 9001 or ISO 14001 compliance, as well as material safety data sheets (MSDS) that reference ASTM C1157 or ISO 6872 specifications. Bulk shipments are typically packed in 20‑ft or 40‑ft containers using wooden pallets, with the powders sealed in moisture‑proof bags (e.g., 25 kg polypropylene bags) to prevent hydrolysis. Standard Incoterms such as FOB Shanghai or CIF Los Angeles are frequently used for these commodities.
Sourcing from Changsha Zhonglong Chemical Co., Ltd. - Buyer Guidance
When sourcing the zirconia bead, request a certificate of analysis that details ZrO₂ purity, yttria content, particle size distribution, and bulk density. For the bulk zirconium dioxide and yttria‑stabilized zirconia powders, ask for test reports against ISO 6872 or ASTM C1157, including sintering temperature and phase composition. The ceramic Tajine pot should be accompanied by a food‑contact compliance report (e.g., EU regulation 1935/2004 or FDA 21 CFR 174) and a thermal‑shock resistance test result. Verify packaging specifications - powders in sealed 25 kg bags, cookware in cardboard boxes with protective inserts - before confirming order quantities.
Frequently Asked Questions About Changsha Zhonglong Chemical Co., Ltd.
What ceramic raw‑material products does Changsha Zhonglong Chemical offer?
The supplier lists zirconium dioxide, yttria‑stabilized zirconia (Y‑TZP) in powder form, a zirconia bead (HS 6909.19) and a zirconia ball, all based on high‑purity ZrO₂.
Is there an HS code associated with any of the products?
Yes, the zirconia bead is classified under HS code 6909.19, which falls within the chapter for other ceramic articles.
What grade and composition are specified for the zirconia bead?
The bead is described as Y‑TZP with 94‑95 % ZrO₂, a common grade used for wear‑resistant applications.
Can I obtain material certifications for the zirconia powders?
Buyers should request a certificate of analysis and test reports referencing ISO 6872 or ASTM C1157 to confirm purity, yttria content, and particle size.
What are typical packaging formats for the ceramic powders?
In the industry, powders are usually packed in moisture‑proof polypropylene bags of 25 kg, stacked on pallets for container loading.
What documentation is needed for the heat‑resistant Tajine pot?
Request a food‑contact compliance certificate (EU 1935/2004 or FDA) and a thermal‑shock resistance test report to verify suitability for cooking.
Which markets commonly import these Chinese ceramic products?
The European Union, the United States and Southeast Asian countries are the main import destinations for both finished ceramic cookware and high‑purity zirconia powders.
What Incoterms are typically used for shipments from this supplier?
Standard terms such as FOB Shanghai or CIF Los Angeles are frequently applied for containerized shipments of both powders and cookware.





































