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DAP All Purpose 100% Silicone Adhesive Sealant, Clear, 2.8 oz (7079800755)

DAP All Purpose 100% Silicone Adhesive Sealant, Clear, 2.8 oz (7079800755)

Q: What are the temperature specifications ? Can I use this close to a heating element submerged in water once it dried ?

I used it to seal the outside of the heating element on my dishwasher... the flange wouldn’t make a complete seal around the outside, so it leaked water. Still working great after several months.

Q: I have a tube of this. Can I use it to install a bathroom sink?

It is not like other silicone used in bathroom/shower installs. One specific difference is that those bathroom/shower silicones contain anti-microbial protection against mold & mildew. This is a food grade safe silicone, so those anti-microbial additives aren’t included in this formula. Also, it takes 72 hours to cure properly.

Q: I'm interested in using this to repair a Chemex coffee maker. Crack is near the top. My concerns are about the heat and about food safety. Thoughts?

Nothing other than a talented glass blower can fix a Chemex glass coffee filter cone. A crack in the borosilicate glass will grow under the stress of thermal expansion. In theory you can pre-heat the entire piece and repair the area and anneal and cool the piece, in practice it would cost much more to pay someone to do that than to buy a new Chemex. It’s an ,aesthetically pleasing way to make coffee, but you have to make peace with the idea that It requires exceptionally careful handling to achieve an average working life of 2 years In daily use. There are many other cone type coffee filter coffee makers that produce coffee quite well if you lose interest in the aesthetic experience.

Q: how do i clean out the plastic long applicator so i can reuse it? i don't want sealant to dry in there and clog it, rendering the applicator useless.

I have had no problem with the product drying in the nozzle. At most I had to pick put the very tip, the rest stays wet enough to flow again when pressure is applied to the tube. I used a strong toothpick or a shishkebob stick to get a dry plug out if that happened. But 9 out of 10 ten uses it did not clog.

Product ID: 2118706

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Details

Brand
DAP
Specific Uses For Product
Aquarium
Material
Silicone
Compatible Material
Ceramic Glass
Item Form
Paste

🌿FDA safe for incidental food contact

💧100% waterproof in 12 hrs

🛠️flexible, crack & shrink resistant

Description

💧 Seal smart, fix fast, and never miss out on flawless repairs!

AQUARIUM READY - Safe for freshwater and saltwater fish once cured, ideal for restoring or building small aquariums.
COMPACT POWERHOUSE - Perfect 2.8 oz size for quick repairs and small projects—no waste, just precision.
SEAL WITH CONFIDENCE - Creates a durable, watertight seal that stays flexible and won’t crack or shrink over time.
VERSATILE APPLICATION - Bonds to glass, ceramic, porcelain, metals, plastics, and more—indoor or outdoor use.
CERTIFIED SAFE RELIABLE - Meets ASTM C920 Class 25 and FDA standards, ensuring top-tier performance and safety.

DAP All Purpose 100% Silicone Adhesive Sealant is a clear, waterproof, and flexible sealant in a convenient 2.8 oz tube. It cures in 12 hours to form a durable, crack-resistant bond safe for both indoor and outdoor use, including aquarium repairs. Certified to ASTM and FDA standards, it’s the go-to solution for professionals and DIYers seeking reliable, versatile sealing with zero compromise.

Specifications

Brand	DAP
Material	Silicone
Compatible Material	Rubber
Special Feature	Waterproof
Color	Clear
Item Package Quantity	1
Package Information	Tube
Item Volume	2.8 Fluid Ounces
Water Resistance Level	Waterproof
Manufacturer	Dap
Part Number	688
Item Weight	3.2 ounces
Product Dimensions	1.25 x 3.75 x 8 inches
Item model number	688
Is Discontinued By Manufacturer	No
Size	2.8 oz.
Special Features	Waterproof
Included Components	DAP All-Purpose 100% Silicone
Batteries Included?	No
Batteries Required?	No
Warranty Description	Warranty

Have a Question? See What Others Asked

What are the temperature specifications ? Can I use this close to a heating element submerged in water once it dried ?

I have a tube of this. Can I use it to install a bathroom sink?

I'm interested in using this to repair a Chemex coffee maker. Crack is near the top. My concerns are about the heat and about food safety. Thoughts?

how do i clean out the plastic long applicator so i can reuse it? i don't want sealant to dry in there and clog it, rendering the applicator useless.

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