| CAS No.: | 1344-28-1 |
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| Formula: | Al2O3 |
| EINECS: | 215-691-6 |
| Samples: |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier 
| Product | Al2O3 % | Bulk density g/cm2 | Water absorption | Mohs hardness scale | Abrasion loss % | Color |
| High alumina grinding balls | 92 |
3.65 |
0.01 |
9 |
0.011 |
White |
| High alumina grinding balls | 95 |
3.68 |
0.005 |
9 |
0.0084 |
White |
| Medium alumina grinding balls | 60-75 | 2.93 | 0.01 | 8 | 0.01 | Yellow-White |
| Appearance demand | ||||||
| High alumina grinding balls | Medium alumina grinding balls | |||||
| Crack | Not permission | Not permission | ||||
| Impurity | Not permission | Not permission | ||||
| Foam hole | Above 1mm not permission, size in 0.5mm permit 3 balls. | |||||
| Flaw | Max. size in 0.3mm permit 3 balls. | |||||
| Advantage | a) High alumina content b) High density c) High hardness d) High wearing feature |
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| Warranty | a) By national standard HG/T 3683.1-2000 b) Offer lifetime consultation on problems occurred |
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Q: How is your quality ?
A: We have technicians and QC for quality control . And we would like to do third party inspection such as
SGS of CIQ and so on.
Q: Can you provide OEM / ODM service?
A: Yes, OEM / ODM are avaliable.
Q: Can you supply free samples?
A: Free samples is avallable, but freight charges will be at your account.The charges will be return to you or deduct from your order in the future.
Q: What abour the payment ?
A: TT , Irrevocable L / C at sight , Western Union , Paypal or Made in China account.
Q: How about your delivery time of the products ?
A: For normal products , we usually have a stock . Special products need to be negotiated with customers.
Q: How about your after-sale service ?
A: Any problems,we will try our best to find the best solution and give you a satisfying feedback And we will track
the whole process from the time we received the order to the time you received the goods.
Q: How about the packing ?
A: Usually we use ordinary packaging like plastic bag,kraft bag. If the customer has a request , we will meet customers
requirement.
If you have any question, please feel free to contact us. We are always ready to offer you help to build friendly cooperation with you!
Suppliers with verified business licenses
Audited Supplier 
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