What is Putty Impression Material?
Zhermack Putty Impression Material (Base & Catalyst) Putty impression materials is addition silicone (PVS – Polyvinyl Siloxane) impression materials, supplied in two parts:
1. Base Paste (Zhermack Putty Base) Usually colored (yellow, blue, or green depending on brand). Contains polyvinyl siloxane polymer and fillers. Provides bulk and body to the material. Determines viscosity (very high / putty consistency
2. Catalyst Paste (Zhermack Putty Catalyst / Hardener) Usually white in color. Contains cross-linking agent (hydrogen siloxane) and platinum salt catalyst. Initiates chemical reaction when mixed with base paste. Mixing & Setting Equal amounts of base and catalyst are mixed until a uniform color is obtained.
Working time: ~1–2 minutes.
Setting time: ~3–5 minutes (depending on brand).
What is Putty used for?
- Preliminary impression in crown & bridge. Used with light body wash technique (Putty-Wash technique). High viscosity makes it ideal for capturing gross anatomy and provides support for light body material.
In short: Zhermack Catalyst = white paste (bulk, polymer). Zhermack Base = colored paste (initiates setting).
