在線聊天
super fine talc powder nano grade talc powder
?
Discription:
?
Our?talc?powder?is?extracted?from?our?mines,?wich?contains?no?asbestos?or?other?harmful?contaminants.?
?
Raw?materials?is?sorted?by?hand,?cleaned,?dried,?and?sterilized?with?ultra-violet?light.
?
Finished?products?are?benign,?odorless,?extremely?soft?and?has?excellent?dispersibility.
?
Specifications:
?
Chemical?composition | Data |
Whiteness?≥ | 78-95% |
Dust,?mm2/g≤ | 0.4-1 |
CaCO3?≤ | 1%-4% |
Acid-soluble?iron | 0.2-0.5 |
PH | 7-9.5 |
Moisture?≤ | 0.50% |
L.O.I.?(800oC)≤ | 6%-22% |
Abrasion?Degree | 80-100 |
SiO2 | 35-62% |
MgO | 25-32% |
Fe2O3 | ≤0.1% |
CaO | ≤0.5% |
Al2O3 | ≤0.2% |
Density?(g/cm3) | 2.6-2.8 |
Oil?absorption?capacity? | 20.0-50.0 |
Pass?rate(45μm)?≥ | 98% |
?
?
Sio2≥ | 61% | 61% | 61% | 61% | 61% |
Mgo≥ | 30% | 30% | 30% | 30% | 30% |
Cao≤ | 0.5% | 0.5% | 0.5% | 0.5% | 0.5% |
Fe2o3≤ | 0.3% | 0.3% | 0.3% | 0.3% | 0.3% |
Al2o3≤ | 0.3% | 0.3% | 0.3% | 0.3% | 0.3% |
Whiteness≥ | 90-98 | 90-98 | 80-98 | 80-98 | 80-98 |
L.O.I≤ | 6.5% | 6.5% | 7.0% | 6.5% | 6.5% |
PH | 7-9 | 7-9 | 7-9 | 7-9 | 7-9 |
Fe2O3 | 0.05-0.1 | 0.05-0.1 | 0.05-0.1 | 0.05-0.1 | 0.05-0.1 |
Asbestos | free | free | free | free | free |
Moisture | 0.3-0.5% | 0.3-0.5% | 0.3-0.5% | 0.3-0.5% | 0.3-0.5% |
?
Usage:
?
Talc?powder?has?properties?of?lubricity,?viscous?resistance,?flowing?boosting,?fire?resistance,?
acid?oresistance,?insulativity,?high?melting?point,?inactive?der?chemismus,?good?covering?power,?
soft,?good?shining,?good?adsorptivity.?
?
It?can?be?used?in?industries?of?food,?rubber,?painting,?ceramics,?cosmetic,?pharmaceutical,?
paper-making,?etc.
?
?
