Simson ISR 70 03 is a high tech & high quality sealant with excellent adhesive properties. Simson ISR 70 -0 3 is suitable for making elastic constructive joints, which also requires high strength. Simson ISR 70 03 is based on Silyl Modified Polymer (SMP). Simson ISR 70 03 used with the Dual SMP technology guarantees an increased and controlled cure speed and reliability in the production process and extends the application possibilities