company tower banner
Silicones Inc Company Logo

Silicones Inc P-268

Silicones P-268 is a two component addition cure silicone rubber mold making material. It has a high durometer, high modulus, superb physical properties, minimal shrinkage and extreme chemical resistance making it an excellent choice for prototyping, casting urethane foam and other plastics.

Polymer Name: Silicone Elastomer

End Uses: Prototyping

Features: Chemical Resistant, High Hardness, High Modulus, Improves Physical Properties, Low Shrinkage, Platinum Catalyzed

  • TypeDocument Name
View All Documents

Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Polymer Name
Technologies

Features & Benefits

Applications & Uses

Markets
Compatible Polymers & Resins
Cure Method
Plastics & Elastomers End Uses
Applications
  • P-268 also serves as an excellent choice for use in trapped rubber molding and pressure intensifier applications when working with composites.

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Activator6000 - 8000--
Volume1 / 1--
Cure Time (Hours)18 - 24--
Dielectric Constant (100 HZ)2.9--
Dielectric Strength500.0volts/mil-
Dissipation Factor (100 HZ)0.003--
Elongationmin. 500%ASTM D412
Mixed Viscosity6000 - 8000cps-
Mixing Ratio (B/A)1 / 1--
Penetrometer Measurement40 - 60mm-
Service Temperature-50 - 300°F-
Shrinkagenil--
Specific Gravity1.0--
Tensile Strengthmax. 100psiASTM D412
Viscosity6000 - 8000cps-
Volume Resistivity1 x 1015ohms/cm-
Working Time (Hours)2 - 4--

Storage & Handling

Shelf Life
6 months