Fire resistant and high temperature insulating composition

A fire and heat resistant composition comprising:

• calcium carbonate or magnesium carbonate in an amount from about 20 to about 60% by weight;
• perlite in an amount from about 5 to about 20% by weight;
• an aluminosilicate in an amount from about 1 to about 25% by weight;
• talc in an amount from about 5 to about 15% by weight;
• cellulose fiber in an amount from about 10 to about 25% by weight;
• a binder in an amount from about 1 to about 25% by weight;
• and
• a gelling agent in an amount from about 1 to about 10% by weight.

A fire and heat resistant composition consisting essentially of:

• calcium carbonate in an amount of about 57%;
• magnesium carbonate in an amount of about 1.5%;
• potassium carbonate in an amount of about 1.5%;
• aluminosilicate in an amount of about 2%;
• talc in an amount of about 2%;
• cellulose fiber in an amount of about 3%;
• polyvinyl acetate in an amount of about 2.5%;
• polyvinyl alcohol in an amount of about 0.5%;
• masonry cement in an amount of about 22%;
• hydroxypropyl m-cellulose in an amount of about 1%;
• aluminum sulfate in an amount of about 2%;
• and
• sodium polyacrylate in an amount of about 5%.

A fire and heat resistant article comprising:

• an article coated with a coating composition comprising:
• a carbonate material in an amount from about 20% to about 80% by weight;
• aluminosilicate in an amount from about 0.5% to about 15% by weight;
• talc in an amount from about 0.5% to about 10% by weight;
• cellulose in an amount from about 1% to about 30% by weight;
• a binder in an amount from about 1% to about 45% by weight;
• a gelling agent in an amount from about 1% to about by weight.

A rigid article formed of a composition comprising a carbonate material in an amount from about 20% to about 80% by weight;

• aluminosilicate in an amount from about 0.5% to about 15% by weight;
• talc in an amount from about 0.5% to about 10% by weight;
• cellulose in an amount from about 1% to about 30% by weight;
• a binder in an amount from about 1% to about 45% by weight;
• a gelling agent in an amount from about 1% to about 25% by weight.