Do you need a heavy-duty, waterproof glass sealant for aquarium glass, glazing and other appropriate glass construction applications? This 75g Selleys Clear Glass Sealant is exactly what you need. It's one tough adhesive resistant to temperatures ranging from approximately -60 to 150 degrees Celsius, as well as, being impervious against and remaining flexible during exposure to UV rays and bad weather. How easy to use is this product? The top-of-the-line silicone and acetic curing formula provides excellent adhesion and durable sealing capabilities. You can rest assured it won't shrink when drying. You can expect long lasting results when used within 12 months of purchase as this sealant won't crumble, crack, shrink or dry-out and is capable of +/- 25% flexibility and up to 400% stretch.