Fillers and Extenders: Here's How!

1) Determine the physical properties of a material you desire to impart to your end product:

• Extend without absorbing expensive active ingredient
• Reduce or increase weight
• Introduce non-slip or texture characteristics, as in flooring and wall coatings
• Add anti-sag characteristics
• Increase strength
• Increase flexibility or rigidity
• Change sound absorption characteristics

2) Then quantify the attributes you think you need in the filler or extender to give you the results you are looking for. Here is a list to help you.

• Specific Gravity
• Absorbency
• Particle Shape
• Reactive or Inert
• Sound Deadening
• Melt Temperature
• Ignition Temperature
• Strength
• Hardness