MATEC Web of Conferences
Volume 13, 2014ICPER 2014 - 4th International Conference on Production, Energy and Reliability
|Number of page(s)||5|
|Section||Inspection, Maintenance and Operations|
|Published online||17 July 2014|
The Effect of Particle Size of Wollastonite Filler on Thermal Performance of Intumescent Fire Retardant Coating
Department of Mechanical Engineering, Universiti Teknologi PETRONAS, Malaysia
a Corresponding author: email@example.com
Intumescent Fire retardant coatings (IFRC’s) are one of the simplest ways to protect substrates exposed to fire. In this study, Wollastonite (W) filler of two different particle sizes were used to determine the fire performance of intumescent fire retardant coating. The basic ingredients of the coating were ammonium poly-phosphate (APP) as acid source, expandable graphite (EG) as carbon source, melamine (MEL) as blowing agent in epoxy binder, boric acid as additive and hardener as curing agent. A series of coating formulations were developed by using different weight percentages of both sized Wollastonite fillers. The coated steel substrate samples were tested for fire performance using Bunsen burner and char expansion was measured using furnace fire test. A Comparison of the coatings thermal performance was determined. Wollastonite containing filler particle size 10 μm showed better thermal performance than formulations containing filler’s particle size 44 μm.
© Owned by the authors, published by EDP Sciences, 2014
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