Retsol Hard — Brown (12)
SKU: RET-HARD-12 · Retsol / Hard · active
1. Ingredients (builds the batch)
| Ingredient | Quantity | Unit | Line cost | |
|---|---|---|---|---|
| Paraffin Wax 58 c/135f | 23.3 | kg | $107.18 | |
| Zinc Stearate | 1.1 | kg | $10.14 | |
| Stearic Acid | 2 | kg | $21.86 | |
| Talcum Powder | 7 | kg | $13.93 | |
| Brown Oxide 655 (umber) | 1.8 | kg | $18.00 | |
| Black Oxide | 0.055 | kg | $0.38 | |
| Batch weight | 35.255 kg | |||
2. Batch yield
Crayon unit weight determines how many crayons one batch actually produces.
| Batch material cost | $171.49 |
| Theoretical crayons/batch | 2206 |
| Material cost/crayon | $0.0777 |
3. Time, labour & reject rate
4. Total cost per crayon
| Total time/batch | 150 min |
| Labour cost/batch | $110.00 |
| Good crayons/batch (after reject rate) | 2206 |
| Total cost per crayon | $0.1276 |