Pac-Dent VinylPolySiloxane Impression Material is made with the same German chemistry as the big name brands and it will save you 40% or more. Since our uses the same platinum catalyst chemistry as the expensive brands they are compatible. You can mix them using our light body wash with their putty or save a bunch unsing our putty with their wash. Any way you use our VPS you get excellent impressions, handling charactaristics that you are used to, no tears, no voids, no distortion. Ultra Impression materials give you what you have come to expect from a premium material without the giant price tag. Includes MixPac mixing tips.