Chemical Resistant

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