... Excellent weatherability and long life span; 3.Good adhesion to stone, ceramics, cement Description:BLD690 is single component, neutral, ... -temperature curing, weather-proof silicone sealant; no corrosion to stone, ceramics and cement component, overcome the shortcoming that ... wont harden or embrittle within15 years. Good adhesion to stone, ceramics, cement and others building materials.Application:(1 ...