Zinc fluorosilicate solution used as a concrete hardener, wood preservative, and galvanizing flux component.

| Concentration | 40% solution |
| Appearance | Clear liquid |
| IUPAC Name | Zinc hexafluorosilicate hexahydrate |
| Molecular Weight | 315.49 g/mol |
| Typical Purity | 40% w/w solution |
| Grades Available | Concrete-Hardener Grade |
| HS Code (Export) | 28269080 |
| SB Chemicals SKU | SBF-1094 |
Fluxes, bath additives, grain refiners for primary and secondary aluminium production
Flux formulations for aluminium brazing, soldering, and welding electrode coatings
Concrete hardeners, wood preservatives, and construction chemicals
Independent verification of Zinc Fluorosilicate Hexahydrate (40% Solution) on third-party scientific databases:
Zinc Fluorosilicate Hexahydrate (40% Solution) is supplied in HDPE woven bags with inner LDPE liner (25 kg / 50 kg net), HDPE drums (25 / 50 / 250 kg), and FIBC jumbo bags (500 / 1000 kg) for solid grades. Liquid grades ship in HDPE-lined steel drums (250 kg) or 1000 L IBC totes. Custom packaging — including nitrogen-blanketed, moisture-tight, or food-grade containers — is available on request.
Standard MOQ is 1 metric tonne for solid grades and 200 kg for liquid grades; pilot quantities of 5–25 kg are available for R&D qualification. Stock items dispatch within 7–10 working days from confirmed PO. Made-to-order grades and large export consignments require 3–4 weeks. Indian deliveries by road typically reach 4–7 days; export FCL shipments depend on destination port.
Yes. A 16-section GHS-format SDS is dispatched with every shipment and is also available in advance from marketing@sbfluorochem.com. A batch-specific COA accompanies every consignment and is emailed before dispatch for goods-receipt verification. Test methods follow IS / ASTM / USP / IP / EP as applicable.
SB Chemicals exports to over 35 countries across South-East Asia, the Middle East, Africa, Europe, and the Americas. We hold IEC, GST, and APEDA registrations. Shipments move CIF / FOB / CFR / FCA / EXW from Mundra, Nhava Sheva (JNPT), or Hazira ports. Letter of Credit (LC), TT, and DA terms are accepted subject to credit approval.
Yes. SB Chemicals operates an ISO 9001:2015 certified Quality Management System at the GIDC Vapi facility. Every batch undergoes raw-material testing, in-process control, and final QC release before despatch. Clients are welcome to schedule a third-party audit of the plant.