Zinc Borate 2335 at a Glance
Zinc Borate 2335 (CAS 138265-88-0) is supplied as white powder with ZnO 37–40% / B2O3 47–49%. Hydrated mineral flame-retardant synergist and smoke-suppressant development in polymers. Standard packing is 25 kg lined bags. Review the supply specification, download the TDS and reference SDS, and contact us for free samples for testing. ZXCHEM supplies Zinc Borate 2335 from China for the applications described below.
Request a free sample for testing.
Standard lead time is approximately 14 days from order confirmation.
Zinc Borate 2335 Specifications
Supply specifications follow the local 2026 ZXCHEM TDS and apply to this commercial grade. Test the complete formulation for the intended application.
Commercial Information
Storage & Shipping
Storage Conditions
Keep sealed in a cool, dry, ventilated warehouse. Protect from moisture, heat and contamination; store away from incompatible chemicals.
Packaging Integrity
Inspect bag seams, liners and pallet wrapping before unloading. Protect from rain and punctures, retain lot identification and reseal opened liners promptly.
Packaging
25 kg lined bags
Handling & Protection
Use enclosed powder feeding or local extraction. Wear suitable protective gloves, eye protection and work clothing; avoid dust inhalation and direct contact. Provide controls for fumes during hot processing.
What Is Zinc Borate 2335?
Zinc borate 2335 is a hydrated zinc-and-boron mineral additive for selected flame-retardant polymer systems. The 2335 designation describes the oxide and hydration ratio, 2ZnO·3B2O3·3.5H2O. It differs from anhydrous zinc borate and should be selected by hydrate form as well as CAS number.
The local 2026 supply grade controls ZnO at 37–40%, B2O3 at 47–49%, bound water at 13–15.5% and D50 at 3–5 µm. Surface moisture and water of hydration are different measurements. The bulk-density unit is kg/m³; it must not be confused with the density of the solid itself.
PVC, polyolefin, polyamide and epoxy development should assess the mineral with the complete flame-retardant, filler and stabilizer package. Evaluate powder dispersion, processing, smoke production and the required final-article fire test. The additive alone cannot establish a flame rating or an electrical certification.
For elastomers, coatings and selected binder systems, evaluate compatibility, physical-property retention and exposure to moisture. Use dust control and prevent environmental release. The matched hydrated material is Class 9 dangerous goods, UN 3077; inorganic and non-flammable do not mean non-dangerous goods.
Browse related plastics and rubber chemicals in our catalog.
Zinc Borate 2335 Applications
Thermoplastics and epoxy compounds
Mineral synergist for selected PVC, polyolefin, polyamide and epoxy packages. Evaluate dispersion, resin processing and complete-compound flame performance.
Rubber and cable materials
Component for selected smoke-suppression and flame-retardant systems. Test cure response, flexibility, ageing and finished-material smoke and fire performance.
Coatings and binder systems
Mineral additive for selected protective coatings and textile binders. Assess sedimentation, film properties, adhesion and durability.
Why Source Zinc Borate 2335 from ZXCHEM
One-stop Chemical Sourcing
Source several chemical raw materials through one ZXCHEM contact. We coordinate product selection, quotations and suitable consolidated shipments so you can plan the order with one team.
Dedicated R&Q Laboratory
Discuss specifications, sample results and application questions with our technical team. Our dedicated R&Q laboratory supports product testing and helps clarify material selection.
Experienced Chemical Logistics
ZXCHEM has more than 30 years of experience in dangerous-goods transportation. We coordinate suitable shipments through logistics companies in which we hold equity interests in Qingdao, Shanghai, Guangzhou and Tianjin.
Dedicated Purchasing Support
Your account manager follows the order from quotation and contract signing through shipment and after-sales support. One contact coordinates technical documents, commercial details and delivery updates.
Zinc Borate 2335 FAQ
Which Zinc Borate 2335 grade should I choose?
This is hydrated zinc borate 2335, with ZnO 37–40%, B2O3 47–49% and D50 3–5 µm. Keep surface moisture separate from bound water when comparing grades. Evaluate dispersion and final-system flame and smoke tests before fixing the formulation.
Can I request a Zinc Borate 2335 sample for testing?
Request a free sample for testing. Tell us the intended Hydrated zinc borate application, preferred grade and the tests you plan to perform, so that we can arrange a suitable evaluation sample and technical information.
How is Zinc Borate 2335 packed and shipped?
Standard packing is 25 kg lined bags. The usual MOQ is 1,000 kg, with a lead time of approximately 14 days from order confirmation. The reference bulk transport classification is Class 9 — Environmentally hazardous solid.
Which documents are available for Zinc Borate 2335?
The TDS covers supply specifications; the reference SDS covers safety and transport. Both can be downloaded on this page. A batch COA can be provided with supply. Request documents for the grade and physical form you are ordering.
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Request a Zinc Borate 2335 Quotation
Tell us the required grade, quantity, destination port and documents. We reply within 24 hours.
We use your details to respond to this enquiry. You can also contact sales@zxchem.com.cn.