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About This Item
실험식(Hill 표기법):
O2Si
CAS Number:
Molecular Weight:
60.08
EC Number:
MDL number:
UNSPSC 코드:
23201100
PubChem Substance ID:
NACRES:
SB.52
Grade
high-purity grade
Quality Level
양식
powder
기술
LPLC: suitable
표면적
125 m2/g
Matrix
Silica
기질 활성군
silica
평균 입자 크기
9-13 μm
density
1.1 g/mL at 25 °C (lit.)
적합성
suitable for acidity or alkalinity (alkalinity < 0.5 meq/g ASTM D 3100)
SMILES string
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI key
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
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일반 설명
Silica is a naturally occurring material in minerals, flint and in some plants in crystalline phase. Silica used in industries is in synthetic form. Surface area, pore volume, pore size and particle size are independently controllable to some extent. The crystalline silica may be classified based on atmospheric pressure as:
a. Quartz = 1143K
b. Tridymite 1143 - 1743K
c. Cristobalite = 1743, over 1973K it forms amorphous vitreous silica glass.
a. Quartz = 1143K
b. Tridymite 1143 - 1743K
c. Cristobalite = 1743, over 1973K it forms amorphous vitreous silica glass.
애플리케이션
Low density filler for coatings and plastics.
Silica glass spheres are low density filler for coatings and plastics. Silica was used in synthesis of silicalite. Silica was also used to assist the catalytic growth of oxide and nitride nanowires.
특징 및 장점
Light weight, crush-resistant filler. Imparts dimensional stability, reduces warpage, reduces plastic melt viscosity and provides multidirectional orientation in reinforced composites.
물리적 형태
Hollow, spherical non-porous glass beads.
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
개인 보호 장비
Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
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