Hydrophobic Fumed Silica
Folasaga o oloa
Fumed silica, po osilika pyrogenic, colloidal silicon dioxide, o le amorphous paʻepaʻe inorganic pauta lea e maualuga le vaega i luga o le eleele, nano-fua muamua vaega ma se maualuga maualuga (i oloa silica) faʻatonuga o vaega silanol luga. O meatotino o le silica fumed e mafai ona suia fa'ama'i e ala i le tali atu ma nei vaega silanol.
E mafai ona vaevaeina le silica fumed fa'atau oloa i ni vaega se lua: silica fumed hydrophilic ma silica fumed hydrophobic. e faʻaaogaina lautele e avea o se mea taua i le tele o pisinisi e pei o le paʻu silicone, vali ma palasitika pisinisi.
Meatotino Oloa
1. Faʻaaogaina i vai polar lavelave, e pei o le epoxy resin, polyurethane, vinyl resin, ma le mafiafia lelei ma le aafiaga thixotropic;
2. Fa'aaogaina e pei o le mafiafia, sui thixotropic, fa'ato'a fa'ato'a ma fa'asa'o ile su'isu'i ma fa'apipi'i uaea;
3. Anti-settling sui mo le maualuga-density filler;
4. Faʻaaogaina i le toner mo le tatalaina ma le anti-caking;
5. Faʻaaogaina i vali e faʻaleleia ai le mautu o le teuina;
6. Aafiaga defoaming lelei i defoamer;
Fa'amatalaga o oloa
Numera seriolo | Mea su'esu'e | Vaega | Tulaga o asiasiga |
1 | Silica anotusi | m/m% | ≥99.8 |
2 | Fa'apitoa i luga ole laiga | m2/g | 80 – 120 |
3 | gau ile fa'amago105℃ | m/m% | ≤1.5 |
4 | leiloa ile afi 1000℃ | m/m% | ≤2.5 |
5 | PH o le taofiga(4%) | 4.5 – 7.0 | |
6 | E foliga mai le mafiafia | g/l | 30 – 60 |
7 | mea e maua i le kaponi | m/m% | 3.5 – 5.5 |
Talosaga Oloa
Fa'aaoga lautele i fa'alavalava, fa'apipi'i, fa'amaufa'ailoga, kopi kopi toner, epoxy ma vinyl resins ma gelcoat resins, kelu uaea, su'isu'i, defoamers ma isi alamanuia;
afifiina ma le teuina
1. Fa'apipi'i i le tele o lapisi pepa kraft
2. 10kg taga i luga o fata
3. E tatau ona teuina i totonu o le uluai afifiina i le mago
4. Puipuia mai mea fe'avea'i