| CAS No.: | 7664-39-3 |
|---|---|
| Formula: | Hf |
| EINECS: | 231-634-8 |
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| Melting point | -35°C |
| Boiling point | 105°C |
| density | 1.15 g/mL at 25 °C(lit.) |
| vapor density | 1.27 (vs air) |
| vapor pressure | 25 mm Hg ( 20 °C) |
| Fp | 112°C |
1. Application in Purification of Aluminum and Uranium
2. Can be used for oxide removal on the surface of single silicon
3. Can be used as a catalyst for the alkylation reaction of isobutane and butane in refineries
4. Remove oxygen-containing impurities from the surface of stainless steel
5. Hydrofluoric acid is also used for the synthesis of various fluorinated organic compounds
6. Hydrofluoric acid is used for the synthesis of non stick pan soil layers and Freon in refrigerators
7. Glass etching and electroplating surface treatment, etc
8. Raw materials for microelectronic enterprises to produce circuit boards and other products
1, Q: Can you supply samples for testing?
A: Yes, Our samples are free for your testing,
However, you need to afford the delivery fee (DHL/TNT/EMS)
The delivery fee will be deducted from the future bulk order.
2, Q: What documents you provide for every shipment?
A: Usually, Commercial invoice, Packing list, Bill of lading, COA, Certificate of origin,
MSDS are promised. Other documents you need for import,
please feel free to contact us.
3,Q: How can i get the price for this product?
A: Please give us the exact quantity,packing,destination port and
other necessary information,we will give you quotation according
to your specific requirments.
4,Q: How about delivery lead time?
A: Delivery lead time: About 7-10 days after payment confirmed.(Chinese holiday not included).
5,Q:How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T,Western Union or Paypal or secure payment.
It can be used in the photoresist production process of TFT-LCD photoresist diluent, photoresist removal liquid, stripping agent, IC cleaning agent, photoresist buffer, etching process and other chemical products requiring special specifications.
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