SOFT BRICKS or Insulating Firebrick ORDER YOUR BRICKS NOW FOR SPRING KILN BUILDING PROJECTS And Save !!! Refractory
shapes include precast cement and fused or sintered refractory products
that are formed prior to installation in furnaces, boilers or other
high temperature equipment. Refractories
are hard, heat resistant materials and products such as alumina,
silicon carbide, fire clay, bricks, precast shapes, cement or
monolithics and ceramic kiln furniture. Ceramics and refractories have
high melting points are suitable for applications requiring wear
resistance, high temperature strength, electrical or thermal insulation
or other specialized characteristics. Refractory
bricks, blocks, and tiles are stacked to form insulating furnaces,
boilers or other thermal process vessel walls. The bricks are usually
cemented together with refractory mortar.
Shown
right is a new gas kiln made with G series soft bricks from Sheffield
Pottery by John Zetner of New Hampshire Potters Guild.
Please note:
BRICKS SHIPPED UPS GROUND CARRY A $0.50 /BRICK PACKING FEE AND A $3.00 MINIMUM PACKING FEE.
Bricks carry a
$0.50 per brick double box safe packing fee when going UPS.
There is a $3.00 minimum on this packing fee.
ie. 1-6 bricks carry a flat $3.00 packing fee. Add $0.50 per brick for 7+ bricks.
NOTE: This does not
apply to large quantities of bricks which ship palletized via our
truck or common carrier.
Discounts apply for orders over 500 bricks.
INSULATING BRICKS/SOFT BRICKS 2 1/2”
CHOOSE SOFT BRICKS FOR INDOOR OR WELL COVERED AREAS Note: Soft bricks can be cut down with an ordinary cartpenter's hand saw to create custom shapes where you need them. Discounts will be applied to orders of over 500 bricks according to schedule below: ITEM CODE BRICK <500 >500 STRAIGHTS 9” X 4 1/2” X 2 1/2”
NC20
G-20
NC23
G-23
Call for 500 brick Discounts
NC26
G-26
NC28
G-28
WEDGES AND ARCHES**
NC20W/NC20A G-20
NC23W/NC23A G-23 Call for 500 brick Discounts
NC26W/NC26A G-26
NC28W/NC28A G-28
SOFT BRICKS 3” STRAIGHTS 9” X 4 1/2” X 3”
NC203 G-20-3
NC233 G-23-3
Call for 500 brick Discounts
NC263 G-26-3
NC283
G-28-3
WEDGES AND ARCHES**
NC203W/NC203A G-20-3
NC233W/NC233A G-23-3 Call for 500 brick Discounts
NC263W/NC263A G-26-3
NC283W/NC283A G-28-3
** Wedges and Arches must be specified by number.
Insulating
Fire Brick Technical Data
Data
Updated 05/10/06
Typical
Data
STANDARD
ASTM C 155 GRADES
Grade
NC-20
NC-23
NC-26
NC-28
Temperature
Use Limit
(normal oxidizing atmosphere)
°F
2000
2300
2600
2800
Density,
Avg.
ASTM C 134
lb/ft3
35
36
46
55
lb/BEq
2.0
2.1
2.7
3.2
Modulus
of Rupture
ASTM C 133
lb/in2
90
110
175
210
Cold
Crushing Strength
ASTM C 133
lb/in2
105
145
220
250
Permanent
Linear Change
ASTM C 210
%
24
hrs at soaking temp: °F
1950
0.0
2250
0.0
2450
2550
-0.6
2750
-1.6
2950
Thermal
Conductivity
ASTM C 182
Btu-in/ft2,
°F
Temperature:
°F
500
1.3
1.3
1.7
2.0
1000
1.4
1.4
1.8
2.2
1500
1.6
1.6
1.9
2.3
2000
n/a
1.8
2.1
2.5
Chemical
Analysis
ASTM C 182
%
Alumina
- Al2O3
32.1
32.1
35.4
46.8
Silica
- SiO2
64.3
64.3
61.2
50.9
Ferris
Oxide - Fe2O3
0.9
0.9
0.9
0.8
Titanium
Oxide - TiO2
1.7
1.7
1.6
1.7
Calcium
Oxide - CaO
0.1
0.1
0.1
0.1
Magnesium
Oxide - MgO
0.2
0.2
0.1
0.1
Alkalies,
as Na2O & K2O
0.7
0.7
0.7
0.4
Note: there are no drawings of the 3 inch series bricks so here are the dimensions:
