DESCRIPTION (JM28 1540°C)
There are six grades of insulating firebricks with limiting temperatures of use ranging from 1260°C to 1790°C. This grade is formulated to meet specific thermal and physical requirements. JM Firebricks are made from high-purity refractory clays, with graduated additions of alumina for the higher temperature products, and a carefully graded organic filler, which burns out during manufacture to give a uniform, controlled pore structure. Each brick is machined to precise tolerances on all six faces.
TYPE
Insulating firebricks
CLASSIFICATION TEMPERATURES FROM
1260°C up to 1790°C
MAXIMUM CONTINUOUS USE TEMPERATURE
The maximum continuous use temperature depends on the application. In case of doubt, refer to the data sheet for advice.
· FEATURES
Low thermal conductivity - Gives good thermal insulation, enabling the use of thinwalled constructions.
· Low heat storage - Due to their light weight and low thermal conductivity, JM bricks absorb minimal heat, giving significant energy savings in cyclically-operated kilns.
· Purity - The very low iron and alkali flux content confers good refractoriness and the high alumina content contributes to their stability in reducing atmosphere.
· High hot compressive strength
· The accurate dimensions - Enable the bricks to be laid more quickly, with thin, uniform joints, allowing the construction of strong and stable structures.
· Large bricks or slabs - They are available in sizes 230 x 610 x 64 or 76mm and 250 x 640 x 64mm. These can be machined into special shapes, incurring fewer sections and joints.
· Purpose-designed packaging - Protects the bricks in transit (in cartons containing 4 to 25 item, depending on shape) and facilitates on-site handling.
TYPICAL APPLICATIONS
Recommended for use as a primary hot face refractory lining or as back-up insulation behind other refractories in furnaces, kilns, flues, refining vessels and heaters, regenerators, gas producers and main, soaking pits, stress relieving furnaces, reactor chambers and similar high temperature industrial equipment.
*** Due to the fragile nature of bricks carriers will not insure them so they are sent at the purchasers own risk***
