01
Alumina Ceramic Bearing Ball High Quality Al2O3 Alumina Ball 6mm 8mm 9mm 20mm 5.953mm
Physical Properties
Item |
Density |
Coefficient |
Elasticity Modulus |
Poisson’s Ratio |
Hardness (HV) |
Hardness (HRC) |
Bending Strength |
Compressive Strength |
Unit |
g/cm3 |
10-6/k |
Gpa |
Mpa |
Mpa |
|||
Al2O3 |
3.95 |
9.1 |
380 |
0.27 |
1800 |
80 |
220 |
1500 |
Item |
Fracture Toughness |
Thermal Conductivity |
Electrical Resistivity |
Highest Temp |
Acid and Alkali Corrosion resistance performance |
Stress Cycles (50% failure probalility) |
||
Unit |
Mpa·m1/2 |
W/mk |
Ω·mm2/m |
℃ |
Strong |
Times |
||
Al2O3 |
3.5 |
25 |
108 |
1850 |
- |
|||
Item |
Dimensions stability |
Certrifugal Force |
Non-lubrication Friction |
Magnetism |
Rolling contact Fatigue Failure mode |
|||
Unit |
||||||||
Al2O3 |
- |
Medium |
small |
None |
Crash |
Comparison

FAQ
1. who are we?
We are based in Jiangxi, China, start from 2017,sell to South America(15.00%),North America(15.00%),Western Europe(15.00%),Eastern Europe(10.00%),Mid East(10.00%),South Asia(10.00%),Southeast Asia(10.00%),Eastern Asia(5.00%),Oceania(5.00%),Northern Europe(5.00%). There are total about 101-200 people in our office.
Pingxiang Ball-tec New Materials Co., Ltd. is a number of well-known Ceramic enterprises work in Japan and American for many years technical experts and domestic senior practitioners Co-founded high-tech enterprises with R&D, production and sales . Covers an area of 100,000 square meters, focusing on zirconia /alumina micro crystalline ceramic grinding media, Bio-dental, solid fuel cells, 3D printing and other high purity zirconia powder.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
zirconia powder,zirconia bead,zirconia grinding media,alumina bead,ceramic bead
4. why should you buy from us not from other suppliers?
Professional Zirconia product with 20 years experience
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,
French,Russian,Korean,Hindi,Italian