Wicking action silicone seeks the leak . Flows into hidden and hard-to-reach areas. Forms a tough waterproof durable clear seal that is resistant to weather extreme temperatures vibration shock and most shop chemicals. Fills surface voids and irregularities. Temperature range -80F to 400F (-62C to 204C). Brand Name: Permatex Product Type: Windshield and Glass Sealant Product Form: Gel Container Size: 1.5 oz Recommended Surface Type: Cement Number in Package: 1 pk