Metropolitan Ceramics Unglazed Quarry Tile Test Results

By ANSI Standard Specification A 137.1 Metropolitan® Ceramics’ unglazed tile is classified as quarry tile, however, the exceptional technical characteristics noted enables Metropolitan quarry tile to be used in virtually any application suitable for tile.

Specification

Test

Standard

Result

Abrasion Resistance

ASTM C1243

Maximum Value of 275 mm³

Metropolitan tests at < 275 mm³

Abrasion Resistance

ASTM C1243

Maximum Value of 275 mm³

Metropolitan tests at < 275 mm³

Absorption 5-hour boil

ASTM C373

Maximum 5%

Metropolitan tests at 3% maximum and qualities as vitreous

Absorption 5-hour boil

ASTM C373

Maximum 5%

Metropolitan tests at 3% maximum and qualities as vitreous

Breaking Strength

ASTM C648

Average ≥ 250 lbf.

Metropolitan tests at 400lbf. or better

Breaking Strength

ASTM C648

Average ≥ 250 lbf.

Metropolitan tests at 400lbf. or better

Thickness

ASTM C499

Max. range of .050”

Metropolitan meets the standard.

Thickness

ASTM C499

Max. range of .050”

Metropolitan meets the standard.

Nominal Size

ASTM C499

The facial dimension of each tile in the sample shall not vary more than ±2.00% from the nominal dimension.

Metropolitan meets the standard

Nominal Size

ASTM C499

The facial dimension of each tile in the sample shall not vary more than ±2.00% from the nominal dimension.

Metropolitan meets the standard

Freeze/Thaw

ASTM C1026

Observations after 300 cycles.
No visible damage.

Metropolitan meets the standard

Freeze/Thaw

ASTM C1026

Observations after 300 cycles.
No visible damage.

Metropolitan meets the standard

Shear Bond Strength

ASTM C482

50 P.S.I. or better

Metropolitan exceeds the standard

Shear Bond Strength

ASTM C482

50 P.S.I. or better

Metropolitan exceeds the standard

DCOF Acu Test (wet)

ANSI A326.3-2017
BOT 3000

No industry standard.
Threshold of 0.42

At time of manufacture, Metropolitan QUARRYBASICS XA Abrasive tests at ≥0.70. All other Metropolitan products exceed 0.60.

DCOF Acu Test (wet)

ANSI A326.3-2017
BOT 3000

No industry standard.
Threshold of 0.42

At time of manufacture, Metropolitan QUARRYBASICS XA Abrasive tests at ≥0.70. All other Metropolitan products exceed 0.60.

Warpage

ASTM C485

Min. -1.5%  Max. 1.5% along any edge.
Min -1.0% Max 1.0% on either diagonal.

Metropolitan meets the standard

Warpage

ASTM C485

Min. -1.5%  Max. 1.5% along any edge.
Min -1.0% Max 1.0% on either diagonal.

Metropolitan meets the standard

Wedging

ASTM C502

Min. -1.0% Max. 1.0%

Metropolitan meets the standard

Wedging

ASTM C502

Min. -1.0% Max. 1.0%

Metropolitan meets the standard

Chemical Resistance

ASTM C650

As Reported

Class A Classification

Chemical Resistance

ASTM C650

As Reported

Class A Classification

Stain Resistance

ASTM C1378

As Reported

Metropolitan Meets the Standard

Stain Resistance

ASTM C1378

As Reported

Metropolitan Meets the Standard

Scratch Hardness

MOHS

No Industry Standard

7

Scratch Hardness

MOHS

No Industry Standard

7

Download Test Results

Metropolitan Ceramics Test Results are also available to download as a PDF. This single-page PDF Contains results for thirteen standards, including results for Breaking Strength, DCOF, and Stain Resistance.