Open Access

Table 1

Material composition and purpose of using the materials.

Material Ratio per batch Weight of material per wheel barrow (kg) % of total weight of materials Purpose of using the materials
Clay 3 106.6 × 3 = 319.8 70% Clay is chosen due to its relatively low thermal conductivity ≤2.5 W/ (m.K) at 500 °C and reddish colour after firing.
Sand 1 106.8 × 1= 106.8 23% Sand adds roughness and strength to the wet clay and prevents cracking
Sawdust 1 31.3 × 1= 31.3 7% The ceramic liner becomes porous when sawdust is included.
Total weight 458Kg 100%  

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