Zeal Biologicals
Zeal Biologicals
West Marredpally, Hyderabad, Telangana
GST No. 36ADFPK4042C1Z1
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Testing Services


Our product range includes a wide range of refractory testing.

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Creep Test

Creep testing of materials at high temperatures is a very important field of study at many levels of industry.?? Accurate high temperature creep data is absolutely essential for the proper design and construction of any structural element operating at elevated temperatures.?? As such, ways of improving upon conventional creep testing methods at high temperature are highly sought after.
Test Method IS 1528 (P-18)1993

Permanent Linear Change

This test helps in determining the critical linear markings and measurements in green condition, after drying and after firing. The permanent change in dimensions is measured as permanent linear change.
Test Method IS 1528 (P-6)1974

Pyrometric Cone Equivalent

This test helps in determining the fireclay variations, mining control, and developing raw material specifications.
Test Method

Refractories Under Load

This test helps in determining the deformation behavior of refractory ceramic products subjected to a constant load and increasing temperature.
Test Method ISO 1893

Abrasion Test

This test helps in determining the relative abrasion resistance of refractory brick at room temperature. This test method can also be applied to castable refractories.
Test Method

Air permeability Test

This test helps in determining the measurement of the air permeability of textile fabrics. This test method applies to most fabrics including woven fabrics, nonwoven fabrics, air bag fabrics, blankets, napped fabrics, knitted fabrics, layered fabrics, and pile fabrics. The fabrics may be untreated, heavily sized, coated, resin-treated, or otherwise treated.
Test Method

Petrographic analysis by Optical Microscopy

This test helps in determining the the microscopic analysis of materials using thin sections or polished surfaces.
Test Method

Acid Resistance Test

This test helps in determining the acid resistance capacity of the refractory material.
Test Method IS 4860-1968

Thermal Conductivity

Thermal conductivity depends upon the chemical and mineralogical compositions as well as the glassy phase contained in the refractory and the application temperature. The conductivity usually changes with rise in temperature. In cases where heat transfer is required though the brick work, for example in recuperators, regenerators, muffles, etc. the refractory should have high conductivity. Low thermal conductivity is desirable for conservation of heat by providing adequate insulation.
Test Method IS 1528 (P-16)1991

Particle Size

This test helps in determining the percentile quantity of particles of known diameter within a sample. The specimen can be either passed through a set of standard sieves in its natural state, or if a significant amount of binding material is present, such as clay, then the sample can first be washed over a small aperture sieve to remove the binding material.
Test Method IS 1528 (P-14) 1974

Water absorption

The amount of water that a refractory can absorb is measured by the water absorption test. The results of water absorption tests are used for quality assurance.
Test Method IS 3495 (P-2)1992

Apparent Porosity

Apparent porosity, water absorption, apparent specific gravity, and bulk density are primary properties of burned refractory brick and shapes. These properties are widely used in the evaluation and comparison of product quality and as part of the criteria for selection and use of refractory products in a variety of industrial applications.
Test Method IS 1528 (P-8)1974


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Surjeet Kaur  (M.D)
Zeal Biologicals
Plot 41, First Floor Samrat Colony
West Marredpally, Hyderabad - 500026 , Telangana , India
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