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 | |||||
Warranty | a) By national standard HG/T 3683.1-2000 b) Offer lifetime consultation on problems occurred |
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!