Mastermix Fire Mortar Mix has the capacity to withstand temperatures of between 1500 to 1800ºC making it suitable for most high temperatures applications.
It is suitable for use in original construction of furnaces, ovens and incinerators and can operate up to temperatures of 1800ºC. It is ideal to use as a repair mortar for damaged fire bricks and to plug entry points into ovens during construction or repairs.
In addition it has the additional feature of having a very high compression strength combined with extremely low rate of shrinkage.
At Mastermix we have a range of Mortar specialty products suited for variation construction requirements. Please contact our Technical Department for guidance on the best mortar product for your project.
Fire Mortar Mix forms an extremely heat resistant barrier which builds strength fast:
Fire Mortar Mix is most suitable for projects which come into contact with high temperature:
| Product Performance | As part of our commitment to developing the best products for your projects, Mastermix has maintained a 20 year history of rigorous testing via internationally recognised laboratories. We pay top dollar to put our products to the test so you don’t have to. OPUS Laboratory Results: Independent laboratory tests have shown that that Fire Mortar Mix has a compressive strength of 53.0MPa after 3 days and minimum 70.0MPa after 28 days. It meets NZ Standards 4210:1989 Code of Practice for masonry construction. |
| Packaging | Packed in 20kg and 30kg waterproof bags. When stored in cool dry conditions it will have a shelf life of 3 months. |
| Instructions | Mix 150mls of water to 1kg of Fire Mortar mix thoroughly to an even consistency, add a little water only if necessary. Once placed do not rework. The ambient temperature affects the curing time of Fire Mortar Mix. It is best used in temperatures of between 7°C and 25°C. The water content will also affect the curing time. Once mixed correctly will set in 1 to 1½ hours at an ambient temperature of 16°C. For cracks and breakouts: Simply pour the mixture into the cracks to level up and leave. For corroded areas: Pour onto the area and squeegee over to cover the affected area evenly. The product will set quickly to form an abrasive, resistant and flexible repair. |
| Coverage & Performance | Fire Mortar can with stand temperatures of between 1500 to 1800°C when mixed correctly sets in 1 to 1½ hours and will cure rapidly. ‘Fire Mortar’ has an additional features of having a very high compression strength combined with extremely low rate of shrinkage rates. |
| Warranty | As part of our commitment to delivering the best customer experience throughout the project lifecycle, Mastermix Director Steve Douglas personally reviews each warranty request. Each Warranty period is awarded at our discretion and will only be considered where approved Mastermix product applicators are used. |
‘Fire Mortar’ is a cement based product and contains no additional aggressive
products. See packaging for full details.
The ambient temperature affects the curing time of ‘Fire Mortar’. It is best used in temperatures of between 7°C and 25°C. The water content will also affect the curing time. Once mixed correctly will set in 1 to 1½ hours at an ambient temperature of 16°C.
Although the technical details and recommendations Contained in this document correspond to the best of our knowledge and experience, all the above information must in every case be taken as merely indicative and subject to confirmation after long term practical applications. For this reason, anyone who intends to use the product must ensure, beforehand, that it is suitable for the envisaged application. In every case, the user alone is fully responsible for any consequences deriving from the use of the product.
MasterMix and Packaging Limited are the industry leaders when it comes to waterproofing, packaging, and concrete solutions and products in New Zealand.
© 2022 Mastermix. Mastermix and Packaging Limited. All Rights Reserved.
