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🔧 Seal it, fix it, love it — the last adhesive you’ll ever need!
DAP 00688 All-Purpose Adhesive Sealant is a 2.8-ounce tube of 100% silicone rubber sealant that creates a flexible, waterproof, and crack-resistant bond. Safe for use in aquariums and food-contact areas, it meets ASTM C920 Class 25 and FDA regulations. Perfect for household repairs, crafts, and kitchen projects, this medium-high viscosity sealant cures fully in 24 hours, delivering long-lasting, versatile performance.



| ASIN | B000KE4PBQ |
| Best Sellers Rank | #28,545 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #70 in Silicone Adhesives |
| Brand | DAP |
| Brand Name | DAP |
| Colour | green & black |
| Compatible Material | Rubber |
| Container Type | Tube |
| Country of Publication | USA |
| Customer Reviews | 4.5 out of 5 stars 953 Reviews |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 00070798006881 |
| Included Components | 1 Tube |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Type Name | Adhesive Sealant |
| Item Weight | 73 g |
| Manufacturer | DAP |
| Manufacturer Part Number | 7079800755 |
| Material | Silicone |
| Material Type | Silicone |
| Model | 7079800755 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Waterproof |
| Special Feature | Waterproof |
| Specific Uses For Product | Aquarium Sealing, Crafts, Household Projects, Kitchen Projects, Repairing Ceramics |
| UPC | 070798007550 070798006881 |
| Unit Count | 2.8 Ounce |
| Viscosity Level | Medium to High |
| Volume | 2.8 Fluid Ounces |
| Water Resistance Level | Waterproof |
D**S
Worked Extremely Well!
I was looking for something to adhere small glass bowls (to hold candy) to plastic for some Halloween decorations. I had to make about 20 of them and I needed something that 1, wouldn't come undone if the plastic and/or glass became cool due only to normal conditions, and 2, didn't have the strong, horrible odor. This was the miracle adhesive! I am a DIYer and have been using another popular adhesive for a very long time. No longer. Don't get me wrong, the other product works great and frankly is cheaper. But the DAP 688 did everything I needed and had no lingering odor. It is advertised to repair aquarium glass so it must be safe for fish. Plus, if it could hold glass together in water, I figured it would hold glass to plastic! And it worked great!!! If you are looking for something you can use inside, try this. Great product.
T**7
Five Stars
Working ok, I still need to add a few layers
M**A
Very good product
Because is safe I’ve solved my falling off shoes problem. I have number of shoes that jus hold to the heel very badly, and keep falling of all the time when walking. So 2 stripes of that silicone fixed the problem and I can use my beautiful shoes finally :)
C**A
Excellent and long lasting
I used this to glue a handle back to one of my mugs and the handle has stayed in place for more than 2 years.
S**L
Excellent for fixing a broken dish, food safe
It was very easy to work with this product. I liked that the drying time was slightly delayed, as repairing a broken dish requires patience and precision. It was very important to me to use a product that is verifiable and absolutely food safe per ANSI/NSF and/or FDA standards. *There are many products out there that claim to be food safe, but you have to actually look for that information to be stated on the product or the product’s manufacturing site. Also, if a chemical product is not made in the United States, don’t buy it, as this information is almost always impossible to find and intentionally omitted. I visited dap.com and verified the safety information on the MSDS (material safety data sheet) as well. I made sure that I had plenty of ventilation, but honestly, there wasn’t much of an odor. Make sure that the opening that you create at the tip is large enough! A safety pin is not wide enough for the viscosity of this product, fyi.
Trustpilot
2 weeks ago
2 weeks ago