Baking stone and composition for making the same

A composition for preparing a baking stone for use at temperatures exceeding 500° F., the composition consisting essentially of the following with percentages where indicated being by weight:

• portland cement—from about 15% to about 45%;
• an aggregate mixture comprised of a material selected from the group consisting of a calcined fireclay, mullite, silica and mixtures thereof;
• glass fiber—from about 0.5% to about 3%;
• water—from about 10% to about 30%;
• and
• plasticizer—from about 0.03% to about 1.5%.

A composition for preparing a baking stone for use at temperatures exceeding 500° F., the composition consisting essentially of the following with percentages where indicated being by weight:

• portland cement—from about 15% to about 45%;
• an aggregate mixture comprised of a material selected from the group consisting of calcined fireclay, mullite, silica and mixture thereof;
• glass fiber—from about 0.5% to about 3%;
• water—from about 10% to about 30%;
• plasticizer—from about 0.03% to about 1.5%;
• and
• pigment—from about 0.1% to about 1.0%.

A cured baking stone for use at temperatures exceeding 500° F., the cured baking stone having a composition comprising the following with percentages where indicated being by weight:

• portland cement—from about 15% to about 50%;
• an aggregate mixtures comprised of a material selected from the group consisting of calcined fireclay, mullite, silica and mixture thereof;
• glass fiber—from about 0.5% to about 30%;
• water—from about 6 to about 10%;
• and
• plasticizer—from about 0.03% to about 1.5%.

A cured baking stone for use at temperature exceeding 500° F., the cured baking stone having a composition consisting essentially of the following with percentages where indicated being by weight:

• portland cement—from about 15% to about 50%;
• an aggregate mixture comprised of a material selected from the group consisting of calcined fireclay, mullite, silica and mixture thereof;
• glass fiber—from about 0.5% to about 3%;
• water—from about 6 to about 10%;
• and
• plasticizer—from about 0.03% to about 1.5%.

A cured baking stone for use at temperatures exceeding 500° F., the cured baking stone having a composition consisting essentially of the following with percentages indicated by weight:

• portland cement—from about 15% to about 50%;
• an aggregate mixture comprised of a material selected from the group consisting of calcined fireclay, mullite, silica and mixture thereof;
• glass fiber—from about 0.5% to about 3%;
• water—from about 6 to about 10%;
• plasticizer—from about 0.03% to about 1.5%;
• and
• pigment—from about 0.1% to about 1.0%.