Super strong silicone.
The super strong silicone coated replacement rubber is made of silicone rubber that is water repellent.Simply move the wiper to form a water-repellent coating on the window glass to repel the rain.
Furthermore, PIAAs proprietary silicone oil is formulated to allow the glass to be dry in just 5 minutes to form a water-repellent film.
Even if the water repellent effect is diluted, the wiper will reform the water repellent coating.