Description
Description
Stanley All Purpose RTV Silicone
Stanley S421 All Purpose RTV Silicone — one-component, acetoxy-cure, 100% silicone sealant that delivers a permanently flexible, durable, watertight seal for general sealing and glazing. Recommended for: windows & doors, bathrooms & kitchens, plumbing, and connection/expansion joints on glass, ceramic/porcelain, coated wood, painted surfaces, stainless steel, aluminum, and select plastics. Permanently elastic; excellent primerless adhesion to many non-porous substrates Indoor/outdoor; resistant to aging, cracking, and discoloration Mold-proof; performs across temperature extremes Net c
Features
- Manufactured by Stanley
- Professional bonding/sealing product for stone
- Designed for stone fabrication and installation
- Trusted by stone fabricators across North America
- Read all manufacturer instructions before first use.
- Ensure the tool or accessory is properly mounted and secured.
- Follow recommended speed and feed rates for the material.
- Maintain proper technique throughout operation.
- Always wear appropriate PPE.
- Porcelain
- Ceramic
- Glass


