| Customization: | Available |
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| CAS No.: | 12767-90-7 |
| Formula: | 2ZnO.3b2o3.3.5H2O |
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1.Chemical Name:3.5H2O·Zinc borate
2.Type specification:ZB2335
3.Molecular formula: 2ZnO·3B2O3·3.5H2O
Molecular weight: 434.5
Properties and features: white powder.Density is 2.67g/cm3. The melting point is 980ºC.The refractive index is 1.58.Insoluble in water, alcohol. but soluble in chlorhydric acid, sulfuric acid.
Density(20ºC)g/cm3
| Characteristics | Unit | Standard Request | Test Method |
| Appearance | White powder | Q/ZWW003-2009 | |
| Surface Water | % (w/w) | 1 Max | Q/ZWW003-2009 |
| ZnO | % (w/w) | 37.0-40.0 | Q/ZWW003-2009 |
| B2O3 | % (w/w) | 45.0-48.0 | Q/ZWW003-2009 |
| Pb | ppm | 10 Max | Q/ZWW003-2009 |
| Loss at ignition | % (w/w) | 13.0-15.5 | Q/ZWW003-2009 |
| Cd | ppm | 5 | Q/ZWW003-2009 |
| Whiteness | 95 Min | Q/ZWW003-2009 | |
| Fineness (Residue on 325 sieve) | % (w/w) | 0.1 Max | Q/ZWW003-2009 |
| Melting Point | ºC | 980 | Q/ZWW003-2009 |
| Temperature of Dehydration | ºC | 290 | Q/ZWW003-2009 |
| Refractive Index | 1.58 | Q/ZWW003-2009 | |
| Particle Size | um | 1-3 | Q/ZWW003-2009 |
It is better flam retarding effect and can replace antimonous oxide.Flame Retardant zinc borate is inorganic addition flame retardant. Its characteristics are that it has good hot stability, and not only stops buring and vanishes smokings but also be used with other inorganic flame retardant. It is used in epoxy resin, unsaturated polyester, polyurethane, etc. And it is widely used in rubber, plastic, cable, wood,etc
Packing
Polywoven bag, PE film inner lined. Net wt: 20kg/bag. We also can pack according to customers' requirements.
Storage and Transport
It should be stored in a cool, dry place, gently loading and discharging to prevent any damage to the packages, transport according to the ordinary chemical regulations.
Packaging & Shipping
20kg bag
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Packing
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1kg/bag ,25kg/bag;25kg/drum; according to your requirements
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Transit
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Fedex, TNT,DHL,EMS,and so on.
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Port
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Shanghai/Tianjin/Dalian/Beijing/Xi'an
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Lead Time
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3-5 working days upon received the payment
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| For mass orders, it will be delivered by air or sea. Depending on your location, please allow 1-5 business days for your order to arrive. For small order, please expect 3-7 days by UPS DHL EMS. For mass order, please allow 5-8 days by Air, 15-30 days by Sea. |
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our company is a large comprehensive enterprise, it is engaged in the R & D, production,sales trade for chemical industry. We have been in this line for almost 20 years. Our facilities areworld advanced, like the Germany imported production line, Modern aseptic production workshop,fully automatic packing machine, stereos/copic warehouse and advanced lab. So quality goods, competitive price,prompt delivery, stable supply and good after- sales service can be guaranteed. Nowadays, our business scope has been extended to more than 50 types in 6 series,it is water treatment chemical, coating, solvent, detergent chemicals , PVC additives and Food additives). Sinowin Chemical materials has been popularly selling worldwidely and the sionwin brand has become a shining business card for our company.With morour company is one of the premier Supplier.Our aim is to provide customers the high quality products, most competitive pricing, the shortest delivery time and the unequaled service. To reach this, we keep our advantages:
+10 years experience
With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements.
Consistent Quality Our plant has strict quality control in each manufacturing process. Our goods passed BV,ISO9001 which quality can be control and guaranteed. Meanwhile all the materials are tested before each shipment in our laboratory to double confirm the
quality.
Most competitive pricing
With more than 10 years working experience, we always offer the most competitive pricing to customers to help lower their cost in application.
Shortest delivery time
90% of orders are shipped within 7-10 days after receipt of the prepayment or workable L/C.
our factory have five production lines and one backup production line,can support any urgent orders.
Respond in 24 hours to inquiry, feedback or other requirements
Our experienced staff is dedicated to answer all of your inquires, feedback or other requirements in 24 hours.
Service:
We can make the packaging, customize the bag, design the label, and use the customer's own brand according to the customer's request. All the requirements of the customer will be done do our best.
Good service:
-All your messages and emails will be answered in 24 hours.
-Friendly communication and good after sales service.
-customized label/logo/packing service.
Q1. How about your delivery time?
A: Generally, it will take 10 to 15 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q2: Can you give me a discount price?
A: Yes, you can, larger quantity, more favorable price.
Q3. Can you provide OEM service?
A: Yes, sure. Welcome to show us your design bag.
Q4. What is your sample policy?
A: For sample it is free, but the freight cost is on customer's side.
Q5: Do you have distributors in our country?
A: We are looking for distributors all over the world.
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