硅藻土(表面处理) SN-7491 (NBR专用)

PHYSICAL AND CHEMICAL PROPERTIES

Structure ................................................................................Flux -Calcined

Color ......................................................................................White

G.E. Brightness ........................................................................90

Sieve Analysis (Tyler)

% + 150 Mesh (> 105 microns)................................... ---

% + 325 Mesh (> 44 microns)................................... 1.0

Median Particle Diameter (microns) ........................................... 11.0

pH (10% slurry).......................................................................10.0

Free Moisture (Maximum % H2O) ..............................................0.5

(Typical % H2O) ............... .................................. 0.2

Density: (lb/ft3) (g/l)

Wet Bulk ..................................................................... 30 480

Dry Bulk....................................................................... 10 160

Hegman...................................................................................3.5

Oil Absorption (Gardner Coleman) lbs/100lbs .............................. 120

Specific Gravity ................................................................... ...2.33

Refractive Index ......................................................................1.46

CHEMICAL ANALYSIS

SiO2....................................................................................... 89.5%

Al2O3 ...................................................................................... 4.1%

Fe2O3.......................................................................................1.5%

CaO......................................................................... ................0.6%

MgO......................................................................................... 0.3%

Other Oxides............................................................................. 4.0%

Sulfur Silane............................................................................. 2.0%

Loss on Ignition ........................................................................... Nil

STORAGE

Store in cool, dry, well-ventilated place; Keep container tightly closed.

Away from direct sunlight.

PACKAGE

20/22.7kg bucket