Established 1979ISO 9001:2015 CertifiedWankaner, Gujarat, India
+91 99746 66341 [email protected]
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Tested in-house, before it reaches your furnace.

Our laboratory covers chemical analysis, physical properties, cold strength and high-temperature behaviour, so raw materials, production and finished refractories are checked under one roof.

1800 °CRUL and PCE furnaces
0.1 mgAnalytical balance
3000 kNCompression testing
Refractoriness-under-load and PCE furnaces in the Crown Ceramics laboratory
Capabilities

What we test

01

Chemical analysis

Oxide chemistry and alkalis of raw materials and finished products.

  • Flame photometer for Na₂O and K₂O
  • Spectrophotometer, 240–960 nm
  • Analytical balance, 0.1 mg
  • pH meter
  • Fuming chamber and hot plate for digestion
02

Physical properties

Density, porosity, moisture and particle sizing.

  • Porosity balance: AP, BD, water absorption
  • Twin-cylinder bulk density meter
  • Tapped density meter
  • Halogen moisture analyser
  • 13-sieve set and hydrometer
03

Mechanical strength

Cold strength of bricks and castable specimens.

  • Digital CCS machines, 3000 kN and 50 kN
  • MOR machines, 100 kN and 50 kN
  • Flexural testing
04

High-temperature behaviour

How the product performs at service temperature.

  • RUL furnace, 1800 °C
  • PCE furnace, 1800 °C
  • PLC furnace, 1700 °C
  • Spalling test furnace, 1400 °C
  • Thermal expansion, to 1160 °C
  • Thermal conductivity, to 1250 °C
05

Castables & monolithics

Specimen preparation and binder tests for castables and mortars.

  • Mortar mixer, 4.75 L
  • Prism moulds, 40 × 40 × 160 mm
  • Vicat needle apparatus
  • Blaine apparatus
  • Hot air oven 250 °C, muffle furnace 1200 °C
Quality control

Checked at every stage

Part of our ISO 9001:2015 quality system · laboratory equipped in 2024
STAGE 01Raw materialsIncoming aggregates, binders and additives checked for chemistry and sizing.
STAGE 02In processMix, pressing density and drying checked during production.
STAGE 03Finished productPhysical, mechanical and thermal properties tested against the grade specification.
STAGE 04On requestTest data shared with quotations for the grade and application.
Inside the lab

Our testing facilities

Refractoriness-under-load and PCE furnaces
Refractoriness-under-load and PCE furnaces
PLC furnace (1700 °C) and spalling test furnace
PLC furnace (1700 °C) and spalling test furnace
Digital CCS machine (3000 kN) and MOR machine
Digital CCS machine (3000 kN) and MOR machine
Hot air oven and 1400 °C high-temperature furnace
Hot air oven and 1400 °C high-temperature furnace
Flexural and compression testing machines
Flexural and compression testing machines
Mortar mixer and specimen casting for castables
Mortar mixer and specimen casting for castables
Muffle furnace 1200 °C, tapped density and bulk density
Muffle furnace 1200 °C, tapped density and bulk density
Flame photometer and halogen moisture balance
Flame photometer and halogen moisture balance
Fuming chamber for acid digestion
Fuming chamber for acid digestion
Wet chemistry laboratory
Wet chemistry laboratory
Titration and wet analysis benches
Titration and wet analysis benches
Vicat, Blaine, spectrophotometer and pH meter
Vicat, Blaine, spectrophotometer and pH meter

Want test results on your grade?

Tell us the product and application. Our laboratory team will share the relevant test data with your quotation.

Request a Quote Request Datasheet
Crown Ceramics

Alumina bricks, monolithics and speciality refractories, manufactured in Wankaner, Gujarat since 1979.

Products
Alumina BricksMonolithicsPouring SetsCeramic AnchorsPCPF ShapesOther Products
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Works & Office

Crown Ceramics
8/A, National Highway, Near Hasanpar Railway Crossing, Wankaner, Dist. Rajkot, Gujarat 363622, India

+91 99746 66341
[email protected]

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