The University of Maryland MRSEC grants ended in September 2013 after 17 years of successful operation. This site remains as a history of the center, but will not be actively maintained.
Maryland Day
Our Silly Putty Recipe:
You Will Need:
Water
Elmer's Glue
Borax (in laundry section of store - 20 Mule Team Borax detergent is in a green and yellow box)
Food Coloring
Disposable Spoons and Cups
Measuring devices
Directions:
- Fill a 6-8 oz. Styrofoam cup with approximately a ¼ of an inch of Elmer's glue
- Use a graduated cylinder and measure out 10 mL of water and add it to the glue
- Stir well
- Add 1-2 drops of food coloring to glue/water mixture
- Using a graduated cylinder, measure 5 mL of sodium borate solution. Add to glue mixture and stir well*
- Take mixture out of cup and knead with hands
- Store silly putty in plastic bag
*If mixture is still very runny after step 5, add just a few more drops of the borate solution.
Borate Solution:
Mix 2 tbsp of borax and 236 ml of warm water (~1 cup)
Conversions:
1 tbsp = ~15 ml
1 tsp = ~5 ml