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8 POWDER COATING, December 2016 POWDER COATINGS COST CHART Chart showing the cost per unit area ($/ft 2 ) of powder coatings at a transfer efficiency of 100% Thickness of cured film (mils) 1 2 3 4 5 6 7 8 9 10 1 0.0052 0.0104 0.0156 0.0208 0.0260 0.0312 0.0364 0.0416 0.0468 0.0520 2 0.0104 0.0208 0.0312 0.0416 0.0520 0.0624 0.0728 0.0832 0.0937 0.1041 3 0.0156 0.0312 0.0468 0.0624 0.0780 0.0937 0.1093 0.1249 0.1405 0.1561 4 0.0208 0.0416 0.0624 0.0832 0.1041 0.1249 0.1457 0.1665 0.1873 0.2081 5 0.0260 0.0520 0.0780 0.1041 0.1301 0.1561 0.1821 0.2081 0.2341 0.2601 6 0.0312 0.0624 0.0937 0.1249 0.1561 0.1873 0.2185 0.2497 0.2810 0.3122 7 0.0364 0.0728 0.1093 0.1457 0.1821 0.2185 0.2549 0.2914 0.3278 0.3642 8 0.0416 0.0832 0.1249 0.1665 0.2081 0.2497 0.2914 0.3330 0.3746 0.4162 9 0.0468 0.0937 0.1405 0.1873 0.2341 0.2810 0.3278 0.3746 0.4214 0.4683 10 0.0520 0.1041 0.1561 0.2081 0.2601 0.3122 0.3642 0.4162 0.4683 0.5203 11 0.0572 0.1145 0.1717 0.2289 0.2862 0.3434 0.4006 0.4579 0.5151 0.5723 12 0.0624 0.1249 0.1873 0.2497 0.3122 0.3746 0.4370 0.4995 0.5619 0.6244 13 0.0676 0.1353 0.2029 0.2706 0.3382 0.4058 0.4735 0.5411 0.6087 0.6764 14 0.0728 0.1457 0.2185 0.2914 0.3642 0.4370 0.5099 0.5827 0.6556 0.7284 15 0.0780 0.1561 0.2341 0.3122 0.3902 0.4683 0.5463 0.6244 0.7024 0.7804 16 0.0832 0.1665 0.2497 0.3330 0.4162 0.4995 0.5827 0.6660 0.7492 0.8325 17 0.0884 0.1769 0.2653 0.3538 0.4422 0.5307 0.6191 0.7076 0.7960 0.8845 18 0.0937 0.1873 0.2810 0.3746 0.4683 0.5619 0.6556 0.7492 0.8429 0.9365 19 0.0989 0.1977 0.2966 0.3954 0.4943 0.5931 0.6920 0.7908 0.8897 0.9886 20 0.1041 0.2081 0.3122 0.4162 0.5203 0.6244 0.7284 0.8325 0.9365 1.0406 21 0.1093 0.2185 0.3278 0.4370 0.5463 0.6556 0.7648 0.8741 0.9834 1.0926 22 0.1145 0.2289 0.3434 0.4579 0.5723 0.6868 0.8013 0.9157 1.0302 1.1446 23 0.1197 0.2393 0.3590 0.4787 0.5983 0.7180 0.8377 0.9573 1.0770 1.1967 24 0.1249 0.2497 0.3746 0.4995 0.6244 0.7492 0.8741 0.9990 1.1238 1.2487 25 0.1301 0.2601 0.3902 0.5203 0.6504 0.7804 0.9105 1.0406 1.1707 1.3007 26 0.1353 0.2706 0.4058 0.5411 0.6764 0.8117 0.9469 1.0822 1.2175 1.3528 27 0.1405 0.2810 0.4214 0.5619 0.7024 0.8429 0.9834 1.1238 1.2643 1.4048 28 0.1457 0.2914 0.4370 0.5827 0.7284 0.8741 1.0198 1.1655 1.3111 1.4568 29 0.1509 0.3018 0.4527 0.6035 0.7544 0.9053 1.0562 1.2071 1.3580 1.5088 30 0.1561 0.3122 0.4683 0.6244 0.7804 0.9365 1.0926 1.2487 1.4048 1.5609 31 0.1613 0.3226 0.4839 0.6452 0.8065 0.9677 1.1290 1.2903 1.4516 1.6129 32 0.1665 0.3330 0.4995 0.6660 0.8325 0.9990 1.1655 1.3319 1.4984 1.6649 33 0.1717 0.3434 0.5151 0.6868 0.8585 1.0302 1.2019 1.3736 1.5453 1.7170 34 0.1769 0.3538 0.5307 0.7076 0.8845 1.0614 1.2383 1.4152 1.5921 1.7690 35 0.1821 0.3642 0.5463 0.7284 0.9105 1.0926 1.2747 1.4568 1.6389 1.8210 36 0.1873 0.3746 0.5619 0.7492 0.9365 1.1238 1.3111 1.4984 1.6857 1.8731 How to use this chart: 1. Calculate the cost index by multiplying the price of the powder coating ($/lb) by the specific gravity of the powder coating. 2. Determine the desired thickness of the cured film (mils). 3. Find the cost per unit area ($/ft 2 ) at the intersection of the closest value for the cost index and the thickness of the cured film. 4. For a transfer efficiency lower than 100% (or if a more precise value is needed or if your data exceed the chart's data), use the following equation: Cost per unit area ($/ft 2 ) = Cost index × Film thickness (mils) 1.922 × Transfer efficiency (%) Example: Powder coating with price of $6 per pound, specific gravity of 1.5, film thickness of 4 mils, and transfer efficiency at 95% Cost index = 6 × 1.5 = 9 9 × 4 Cost per unit area = = 0.1972 $/ft 2 1.922 × 95 Source: Protech Chemicals, Montreal, Quebec, CD Cost index

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