Appendix B: Cost
These costs are in Filipino Pesos. This is a rough guide and some costs may be very different in other countries. This lists just the
consumable materials required for the blades – it does not include the costs of the tools required nor the cost of producing the
moulds.
Material
31441 Hard (top coat) resin
1003 general purpose resin
Styrene
Toner (white)
Lowilite
Cobalt
Hardener
Woven cloth (WC) 200gsm
Chopped strand mat (CSM) 100gsm
2-part expanding foam
Amount required per blade
1.25
1.5
0.28
0.1
5
15
50
4
0.02
0.24
Unit
litre
litre
litre
kg
g
cc
cc
kg
kg
litre
Cost per Container
171.50
126.75
129.00
252.00
3.50
1.27
0.38
198.00
117.00
625
Amount per blade set (3) Unit
3.75 litre
4.50 litre
0.84 litre
0.30 kg
15.00 g
45.00 cc
150.00 cc
12.00 kg
0.06 kg
0.72 litre
Cost per blade set % of cost
643.13
7.1
570.38
6.3
108.36
1.2
75.60
0.8
52.50
0.6
57.00
0.6
57.50
0.6
2376.00
26.2
7.02
0.1
450.00
5.0
4397.48
Other materials per blade set
Syringes
Gloves
Cloths
Thinners
Sandpaper
Durawax
Brushes
Spray paint
Disposable pots
Labour
Quantity
4
2
20
4
1
0.2
2
3
10
10
Unit
pcs
pair
pcs
litre
m
litre
pcs
cans
pcs
Man-days
Cost per unit
50
100
2
54.5
240
260
80
150
10
300
Cost per blade set
200
200
40
218
240
52
160
450
100
3000
4660
2.2
2.2
0.4
2.4
2.6
0.6
1.8
5.0
1.1
33.1
TOTAL BLADE SET (3) COST:
9057.48
36