Zhongzhi logo
Zhongzhi ChemicalFactory-Direct Sodium Metasilicate Manufacturer — Changyi, China
HomeAbout UsProductsApplicationsCertificationsBlogContact
Request Quote

Fast contact: info@silicatechem.com · Direct from manufacturer · Reply within 12 hours

Request QuoteContact Factory

Buyer Resources

COA, TDS and SDS from the Manufacturer

Short answer

Zhongzhi Chemical provides COA, TDS and SDS for the sodium metasilicate it manufactures in Changyi. Approved TDS, SDS and stamped COA samples are on this page. A shipment COA is issued per lot. Grade is optional. Request them with the quotation.

Request a quotation

Company Name Note

Some documents were issued under the former company name Shandong Longgang Silicon Technology Co., Ltd. Zhongzhi continues as the same operating entity with unchanged manufacturing facilities, production team, and product portfolio.

Technical Data Sheets

Technical Data Sheets for anhydrous and pentahydrate sodium metasilicate.

TDS — Sodium metasilicate pentahydrate, granular

Approved 2026-10-20 · particle size 250–1400 μm (60–14 mesh) ≥95.0% · no lot number

TDS
ViewDownload

TDS — Sodium metasilicate pentahydrate, powder

Approved 2026-10-20 · passing 600 μm (30 mesh) ≥90.0% · passing 250 μm (60 mesh) ≥15.0% · no lot number

TDS
ViewDownload

TDS — Sodium metasilicate anhydrous, granular

Approved 2026-10-20 · particle size 250–1000 μm (60–18 mesh) ≥95.0% · no lot number

TDS
ViewDownload

TDS — Sodium metasilicate anhydrous, powder

Approved 2026-10-20 · passing 425 μm (40 mesh) ≥90.0% · passing 250 μm (60 mesh) ≥90.0% · no lot number

TDS
ViewDownload

Safety Data Sheets

SMP and SMA SDS, English and Chinese.

SDS - SMP pentahydrate - English

SDS
ViewDownload

SDS - SMP pentahydrate - Chinese

SDS
ViewDownload

SDS - SMA anhydrous - English

SDS
ViewDownload

SDS - SMA anhydrous - Chinese

SDS
ViewDownload

Stamped COA samples

Typical stamped COA sample — shipment COA issued per lot. Not a shipment COA and not a consecutive-lot consistency set.

COA sample - SMA - Lot 26060130

Typical stamped COA sample — shipment COA issued per lot

COA sample
ViewDownload

COA sample - SMA - Lot 26070130

Typical stamped COA sample — shipment COA issued per lot

COA sample
ViewDownload

COA sample - SMA - Lot 26080130

Typical stamped COA sample — shipment COA issued per lot

COA sample
ViewDownload

COA sample - SMP - Lot 26071701

Typical stamped COA sample — shipment COA issued per lot

COA sample
ViewDownload

Certificates

ISO 9001, ISO 14001, REACH-EU, KKDIK, K-REACH, name-change and high-tech certificates.

ISO 9001:2015 Certificate

supplier qualification

ISO
ViewDownload

ISO 14001 Certificate - English

environmental management

ISO
ViewDownload

ISO 14001 Certificate - Chinese

environmental management · Chinese

ISO
ViewDownload
Important: This document refers to disodium metasilicate, CAS 6834-92-0. It must not be presented as evidence of registration or importer coverage for sodium metasilicate pentahydrate, CAS 10213-79-3. Coverage for another substance identity must be confirmed separately by the responsible Only Representative.

EU REACH — Disodium Metasilicate, CAS 6834-92-0

Disodium metasilicate · EC 229-912-9 · CAS 6834-92-0. Tonnage coverage for a specific importer is confirmed case by case through our Only Representative.

REACH
ViewDownload

KKDIK Pre-Registration (Türkiye)

Disodyum metasilikat · Pre-SIEF approved · Only Representative: Chemleg Danışmanlık Ltd. Şti.

KKDIK
ViewDownload

K-REACH Registration (South Korea)

Disodium metasilicate · KE-12354 · 100–1,000 t/a band · Only Representative: CIRS Group Korea Co., Ltd.

K-REACH
ViewDownload

Company name-change certificate

Longgang to Zhongzhi legal-name change

LEGAL
ViewDownload

High-tech enterprise certificate

CERT
ViewDownload

Hazmat

Classification summaries and UN packing certificates for SMP and SMA (UN3253 Class 8).

SMP classification summary

UN3253 Class 8

HAZMAT
ViewDownload

SMA classification summary

UN3253 Class 8

HAZMAT
ViewDownload

SMP UN packing certificate

UN3253 Class 8

HAZMAT
ViewDownload

SMA UN packing certificate

UN3253 Class 8

HAZMAT
ViewDownload

Need batch-specific COA or order documents?

Send application, quantity, packing and destination port. Grade is optional. The quotation can include the document set for that order.

Request a quotation

Zhongzhi Chemical

Shandong Zhongzhi Chemical Technology Co., Ltd.

Sodium metasilicate · Request a quotation · Plant in Changyi

Products

  • Sodium Metasilicate ★
  • Sodium Metasilicate Granules
  • Sodium Metasilicate Anhydrous
  • Sodium Metasilicate Pentahydrate
  • Instant Sodium Silicate Powder

Applications

  • All Applications
  • Example Cases
  • Detergent Industry
  • Ceramic Slurry & Casting Bodies
  • Water Treatment
  • Textile Industry
  • Paper Industry
  • Chemical Distributors
  • Industrial Cleaning Builders

Resources

  • All Guides
  • How to Select a Sodium Metasilicate Supplier — Spec, COA & FCL RFQ
  • What Drives a Sodium Metasilicate Factory Quotation
  • Choosing a Sodium Metasilicate Grade for Powder Detergent
  • Sodium Metasilicate vs Soda Ash: Not Just Alkalinity
  • Technical Specifications
  • Supplier Terms & Packing
  • Downloads & Documents
  • FAQ
  • Plant & equipment

Company

  • Request a quotation
  • About Us
  • Blog
  • Privacy Policy
  • Cookie Policy

Contact

  • info@silicatechem.com
  • WhatsApp: +86 176 8588 0260
  • Telephone: +86 176 8588 0260
  • Shandong, China
  • LinkedIn →
  • YouTube →

Shandong Zhongzhi Chemical Technology Co., Ltd.

Sodium metasilicate manufacturer in Changyi, Shandong, China. 10+ years exporting, customers worldwide.

© 2026 Shandong Zhongzhi Chemical Technology Co., Ltd.. All rights reserved.

Request QuoteRequest SampleDownload MSDS / CertificatesWhatsApp
WhatsApp