CATALYST CONCENTRATION & EQUIVALENT MEASURE CHART

Specific gravity  MEK peroxide = 1.17   polyester resin= 1.09   gelcoat = 1.3

Equivalent Measures Chart
(Example - 1 Gallon = 231 Cubic Inches and will cover 160 Sq. Ft. @ 10 Mils)

 

tsp

Tbsp

C.C.

Fluid
Ounce

Drop
MEKP

Cubic
Inch(es)

Gallon(s)

Cup(s)

Sq. Ft.
@ 10 Mil

1 tsp =

1

.33

4.72

.167

192

.300

.0013

.0208

.208

1 Tbs =

3

1

14.8

.50

576

.900

.0039

.062

.624

1 CC =

.20

.067

1

.0353

39

.061

.0003

.0042

.042

1 Fl. Oz  us=

6

2

29.5

1

1152

1.8

.0078

.125

1.25

1 Drop (MEKP)

.0052

.0017

.025

.0009

1

.0015

*

.0001

.0011

1 Cu. In =

3.33

1.10

15.7

.556

639

1

.0043

.069

.694

1 Gallon =

769

253

3785

128

*

231

1

16

160

1 Cup =

47.6

15.7

225

8

9140

14.3

.0620

1

10

1 Fl. Oz  imp= 28.4cc

 

Catalyst Amount by CC

Catalyst Concentration by CC
(Volume of Catalysts to be Used with Polyester Resins MEKP - Number of cc per Volume)

Resin Volume

1/2%

CC

3/4 %

CC

1%

CC

1-1/2%

CC

2%

CC

 500 ml  or 1 Pint

3

4

5

7

9

1Litre     or 1 Quart

5

7

9

14

18

5T Bucket  or 83 oz

15

23

30

45

60

1 Gallon us 3.78 lt.

19

28

37

56

74

1 Gallon cdn

23

35

46

70

92

20 Litre or 5 gal us

95

140

185

280

370

Catalyst Amount by Ounces

Catalyst Concentration by Ounces
(Volume of Catalysts to be Used with Polyester Resins MEKP - Number of oz. per Volume)

Resin Volume

1/2%

Oz.

3/4 %

Oz. 

1%

Oz..

1-1/2%

Oz..

2%

Oz

500 ml  or 1 Pint

-

1/8

1/8+

1/4

3/8

1Litre     or 1 Quart

1/8

1/4

1/3

1/2

5/8

5T Bucket  or 83 oz

1/2

3/4

1

1-5/8

2

1 Gallon us 3.78 lt.

5/8

7/8

1-1/4

2

2-1/2

1 Gallon cdn 4.54 lt

3/4

1-1/8

1-5/8

2-1/2

3-1/4

20 Litre or 5 gal us

3-1/4

4-3/4

6-1/2

9-3/4

13