Changes in the Properties of Liquid Silicone after Adding Silicone Oil

Since some liquid silicone rubbers have high viscosity and will produce bubbles when used, it is considered to add silicone oil to dilute the silicone raw materials. This operation will change the various performance indicators of the silicone rubber.

liquid silicone and silicone oil

Performance Item Compared Degree of Influence
Viscosity Reduce Larger
Operating Time

Prolonged

Smaller
Curing Time Prolonged Smaller
Hardness Reduce Larger
Tear Strength Reduce Larger
Tensile Strength Reduce Larger
Elongation Break Reduce Smaller

Experience reminder: Adding too much silicone oil diluent will worsen the performance of the silicone and affect the service life, so the proportion of silicone fluid added should be controlled.

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