Hydrophobic Fumed Silica
Okwu Mmalite ngwaahịa
Silica fumed, ma ọ bụpyrogenic silica, colloidal silicon dioxide, bụ amorphous ọcha inorganic ntụ ntụ nke nwere elu kpọmkwem n'elu ebe, nano-ọnụ ọgụgụ isi urughuru size na a dịtụ elu (n'etiti silica ngwaahịa) ịta nke elu silanol iche iche. Enwere ike gbanwee akụrụngwa nke silica fumed site na mmeghachi omume nke otu silanol ndị a.
Enwere ike kewaa silica fumed nke dị na ahịa ụzọ abụọ: silica fumed hydrophilic na silica hydrophobic fumed. a na-ejikarị ya eme ihe dị ka ihe dị mkpa n'ọtụtụ ụlọ ọrụ dịka silicone roba, agba na ụlọ ọrụ plastik.
Njirimara ngwaahịa
1. Ejiri ya na mmiri mmiri pola dị mgbagwoju anya, dị ka resin epoxy, polyurethane, resin vinyl, nke nwere mmetụta dị mma na thixotropic;
2. Jiri dị ka ndim, thixotropic gị n'ụlọnga, mgbochi-edozi na mgbochi sagging na seamstress na eriri nrapado;
3. Onye na-eme ihe na-eme ka ọ ghara ịdị na-edozi maka nnukwu njupụta dị elu;
4. Ejiri ya na toner maka ịtọpụ na mgbochi-caking;
5. A na-eji agba eme ihe iji melite nkwụsi ike nchekwa;
6. Mmetụta defoaming dị mma na defoamer;
Nkọwapụta ngwaahịa
| Nọmba usoro n'usoro | Ihe nyocha | Nkeji | Ụkpụrụ nyocha |
| 1 | Ọdịnaya silica | m/m% | ≥99.8 |
| 2 | Mpaghara elu akọwapụtara | m2/g | 80-120 |
| 3 | ọnwụ na ihicha105 ℃ | m/m% | ≤1.5 |
| 4 | ọnwụ na mgbanye1000 ℃ | m/m% | ≤2.5 |
| 5 | PH nke nkwusioru (4%) | 4.5-7.0 | |
| 6 | Njupụta pụtara ìhè | g/l | 30-60 |
| 7 | Ọdịnaya carbon | m/m% | 3.5-5.5 |
Ngwa ngwaahịa
A na-eji ya eme ihe na mkpuchi, adhesives, sealants, photocopying toner, epoxy na vinyl resins na gelcoat resins, eriri USB, seamstresses, defoamers na ụlọ ọrụ ndị ọzọ;
Nkwakọ ngwaahịa na Nchekwa
1. Ngwunye n'ọtụtụ akwụkwọ kraft oyi akwa
2. 10kg akpa na pallet
3. Kwesịrị ịchekwa na nkwakọ ngwaahịa mbụ na akọrọ
4. Echebere na ihe na-agbanwe agbanwe
