O ni iwọn otutu ti o ga ati resistance titẹ giga, oṣuwọn biblical jẹ kekere, awọn abuda ti iṣẹ kemikali jẹ idurosinsin. Le ṣe idiwọ ogbara ti acid, alkali ati awọn ohun alumọni Organic miiran, ati pe o le farada ni ilana iṣelọpọ ti awọn ayipada iwọn otutu. Iṣẹ akọkọ rẹ ni lati mu gaasi pọ si tabi awọn aaye pinpin omi, atilẹyin ati kikankikan aabo kii ṣe iṣẹ ṣiṣe ti ayase.
Al2O3 |
Fe2O3 |
MgO |
SiO2 |
Na2O |
TiO2 |
> 99% |
<0.1% |
<0.5% |
<0.2% |
<0.05% |
<0.05% |
Nkan |
Iye |
Gbigba omi (%) |
<1 |
Iwuwo iṣakojọpọ (g/cm3) |
1.9-2.2 |
Walẹ kan pato (g/cm3) |
> 3.6 |
Isẹ isẹ. (Max) (℃) |
1650 |
Agbara to han (%) |
<1 |
Líle Moh (iwọn) |
> 9 |
Idaabobo acid (%) |
> 99.6 |
Alkali resistance (%) |
> 85 |
Iwọn |
Fifun pa agbara |
|
kg/patiku |
KN/patiku |
|
1/8 ″ (3mm) |
> 203 |
> 2 |
1/4 "(6mm) |
> 459 |
> 4.6 |
1/2 "(13mm) |
> 877 |
> 8.7 |
3/4 ″ (19mm) |
> 1220 |
> 12 |
1 ″ (25mm) |
> 1630 |
> 16 |
1-1/2 ″ (38mm) |
> 2340 |
> 23 |
2 ″ (50mm) |
> 3460 |
> 34 |
Iwọn ati ifarada (mm) |
||||
Iwọn |
3/6/9 |
9/13 |
19/25/38 |
50 |
Ifarada |
± 1.0 |
± 1,5 |
±2 |
± 2.5 |