Scaling up and down with PIC

Fixed Mix Ratio as per 250-235 data sheet for 90 Shore A: (three component system)

250-235   100 Parts by mass
600D   14.3 Parts by mass
500-235M   78 Parts by mass
  Total Mass 192.3 Parts by mass

To scale up or down:

Desired mass   = Factor
Total mass
   
The factor x each individual component mass will give the scaled amount

For example

To scale 250-235/90A up to a desired mass of 500 parts by mass:

500   = 2.6
192.3
1. for 250-235 2.6 (f) x 100 = 260 Parts by mass
2. for 600D 2.6 (f) x 14.3 37.2 Parts by mass
3. for 500-235M 2.6 (f) x 78 202.8 Parts by mass
  Add Up = 500 Parts by mass



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