Sizes
| DOUBLE STRAIGHT |
4 1/2” H |
3 5/8” D |
8” L |
| THICK SINGLE A |
2 1/4” H |
4’ D |
8” L |
| THICK SINGLE B |
2 1/4” H |
3 3/4” D |
7 1/2” L |
CHEMICAL-RESISTANT MASONRY UNITS C279
WATSONTOWN BRICK RESULTS
| Unit No. |
Modulus of Rapture |
Absorption |
|
PSI |
(MPa) |
2 hour Boil (%) |
| 1 |
2311 |
(16.0) |
3.8 |
| 2 |
2626 |
(18.1) |
4.2 |
| 3 |
1512 |
(10.4) |
3.9 |
| 4 |
1410 |
(9.7) |
3.5 |
| 5 |
1308 |
(9.0) |
3.6 |
| Average |
1833 |
(12.6) |
3.8 |
INDUSTRY REQUIREMENTS TABLE 1
Designation
| Min. Modulus of Rupture |
Water Absorption |
H2SO4 Solubility |
| (Brick or tile Flatwise) |
Maximum % by |
Maximum % Weight Loss |
| minimum PSI (MPa) |
2 hour Boiling Test |
|
|
| Average of 5 |
Average of 5 |
Average of 5 |
| Brick or Tile |
Brick or Tile |
Brick or Tile |
| Low Individual |
High Individual |
|
Type I
| 250 (8.6) |
1000 (6.9) |
6.0 |
7.0 |
20 |
Type II
| 1250 (8.6) |
1000 (6.9) |
4.0 |
5.0 |
12 |
Sulfuric Acid Boil Test: Solubility 7.46%
TOLERANCES ON WARPAGE TABLE 2
| Minimum face dimensions, |
Maximum permissible Warpage, |
| inches (mm) |
inches (mm) |
| 8 and under (.203) and under |
3/32 (2.4) |
| Over 8-12 (.203 to .305), inclusive |
1/8 (3.2) |
| Over 12-16 (.306 to .405), inclusive |
5/32 (4.0) |
ASTM Standard Specs These units comply with the standard specifications in ASTM C279 Types I and II
INDUSTRIAL FLOOR BRICK C410
WATSONTOWN BRICK RESULTS
| Unit No. |
Modulus of Rapture |
Absorption |
|
PSI |
(MPa) |
5 hour Boil (%) |
| 1 |
2311 |
(16.0) |
4.0 |
| 2 |
2626 |
(18.1) |
4.5 |
| 3 |
1512 |
(10.4) |
4.2 |
| 4 |
1410 |
(9.7) |
3.7 |
| 5 |
1308 |
(9.0) |
3.7 |
| Average |
1833 |
(12.6) |
4.0 |
INDUSTRY REQUIREMENTS TABLE 1
Designation
| Min. Modulus of Rupture |
Water Absorption |
Maximum Mass Loss |
| (Brick Flatwise) |
Maximum % by |
by Chemical Resistance Test % |
| Gross Area PSI (MPa) |
5 hour Boiling Test |
|
|
| Average – Invididual |
Average – Individual |
|
| 5 Brick |
5 Brick |
|
Type T
| 1000 (6.9) |
750 (5.2) |
10 |
12 |
No requirement |
Type H
| 1000 (6.9) |
750 (5.2) |
6 |
7 |
20 |
TOLERANCES ON WARPAGE TABLE 2
| Minimum face dimensions, |
Maximum permissible Warpage, |
| inches (mm) |
inches (mm) |
| Up to 9 (228.6), inclusive |
1/16 (1.6) |
| Over 9-12 (228.6 to 304.8), inclusive |
3/32 (2.4) |
PERMISSIBLE VARIATIONS IN DIMENSIONS TABLE 3
| Specified dimensions, |
Maximum permissible Variations, |
| inches (mm) |
in Dimensions, between Largest and |
|
smallest Unit in One Lot, inches (mm) |
| Up to 2 (50.8), inclusive |
1/16 (1.6) |
| Over 2 to 4 (50.8 to 101.6), inclusive |
1/8 (3.2) |
| Over 4 to 9 (101.6 to 228.6), inclusive |
3/16 (4.5) |
| Over 9 to 12 (228.6 to 304.8) inclusive |
1/4 (6.4) |
ASTM Standard Specs These units comply with the standard specifications in ASTM C410 Types T and H
INDUSTRIAL CHIMNEY LINING BRICK C980
WATSONTOWN BRICK RESULTS
| Unit No. |
Modulus of Rapture |
Absorption |
|
PSI |
(MPa) |
5 hour Boil (%) |
| 1 |
26290 |
(181.4) |
3.8 |
| 2 |
26510 |
(182.9) |
4.2 |
| 3 |
27320 |
(188.5) |
3.9 |
| 4 |
28480 |
(196.5) |
3.5 |
| 5 |
28830 |
(198.9) |
3.6 |
| 6 |
28480 |
(196.5) |
3.6 |
| 7 |
30940 |
(213.5) |
3.5 |
| 8 |
26330 |
(181.7) |
3.5 |
| 9 |
28340 |
(195.5) |
4.2 |
| 10 |
27170 |
(187.5) |
4.3 |
| Average |
27870 |
(192.3) |
3.8 |
INDUSTRY REQUIREMENTS TABLE 1
Designation
| Min. Compressive |
Water Absorption |
Maximum Weight Loss by |
| Strength |
Maximum % by |
by H2SO4 Boil Test, % |
| Gross Area PSI (MPa) |
2 hour Boiling Test |
|
|
| Average – Individual |
Average – Individual |
|
| 10 Bricks |
10 Bricks |
|
Type I
| 8,500 (58.69) |
8,000 (55.2) |
6.0 |
7.0 |
20 |
Type II
| 10,000(69.0) |
9,000 (62.1) |
4.0 |
5.0 |
12 |
TOLERANCES ON WARPAGE TABLE 2
| Maximum Permissible Variations in |
Maximum Face and Diagonal |
Maximum Permissible |
| Dimensions between largest and smallest |
Dimensions, inches (mm) |
Deviation, inches (mm) |
| Brick in a Random Sampling of 10 Bricks |
|
|
| Height – 3% |
Up to 9 1/2 (241), inclusive |
1/8 (3.1) |
| Length – 5% |
|
|
| Width – 5% |
|
|
ASTM Standard Specs These units comply with the standard specifications in ASTM C980 Types I and II
