How strong is this glue? Can it be used to reapir a crack in 1 galon water reservior?

I would think so, I used it on a conical fermenter for my beer brewing and its worked fine for a few years now. No major pressure on it, just 7 gallons of product.

Can it be applied to a jar to store food in?

I'm not sure, I can tell you its ratted Food Safe. I used it to seal a crack in a conical fermentor I use for home brewed beer and cider. worked fine and left no taste that I could tell.

(white) what is the texture of the surface after cured? smooth? gritty? matte? shiny? how can it be made as smooth as possible?

To make as smooth as possible: after you apply the stuff, spray some water with soap (detergent/shampoo works) and smooth it out with your fingers... this method works great for corners and joints where a bead is required.... will probably make a not so great job on a flat surface :-)

is it dishwasher safe?

The package says its temperature range is -62ºF to 350ºF. I don't know how hot a dishwasher gets, but it might be ok on the top shelf.

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Food Grade NSF RTV Silicone Sealant Adhesive White 2.8 Ounce (1)

Food Grade NSF RTV Silicone Sealant Adhesive White 2.8 Ounce (1)

Product ID: 28560946

Details

Brand
Sil-Bond
Item Form
Ounce Paste
Material
Silicone
Specific Uses For Product
Repair

✅NSF & USDA food-grade certified

🔥350°F max temp resistance

🧴2.8 fl oz precision tube

€ 16.11

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Description

🛠️ Seal smart, seal safe—where performance meets food-grade trust!

FOOD SAFE CERTIFIED - NSF/ANSI 51 and USDA approved for peace of mind in food-related applications.
PRECISION APPLICATION - Screw-on nozzle ensures mess-free, controlled sealing every time.
WEATHERPROOF DURABLE - Resists moisture, ozone, vibration, and aging—built to last through any condition.
UNMATCHED HEAT ENDURANCE - Withstands scorching temps up to 350°F—perfect for demanding environments.
VERSATILE ADHESION POWER - Bonds effortlessly to metal, glass, plastic, rubber, and ceramics without priming.

Sil-Bond 4500 is a premium white RTV silicone sealant adhesive in a 2.8 oz tube, NSF and USDA certified for food safety. Engineered to endure extreme temperatures up to 350°F, it offers superior adhesion to multiple surfaces without priming. Its robust resistance to moisture, ozone, vibration, and weathering makes it the go-to sealant for professional-grade repairs and applications requiring lasting durability.

Specifications

ASIN	B01F9HCISU
Best Sellers Rank	#10,898 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #32 in Silicone Adhesives
Brand Name	Sil-Bond
Color	white
Compatible Material	Aluminum, Glass, Metal, Plastic, Rubber
Container Type	Tube
Customer Reviews	4.5 4.5 out of 5 stars (967)
Full Cure Time	24 Hours
Item Form	Ounce,Paste
Item Package Quantity	1
Item Weight	0.01 Ounces
Manufacturer	Silco Incorporated
Material Type	Silicone
Model	Sil Bond 4500
Number of Pieces	1
Other Special Features of the Product	Extreme Temperature Resistance, Moisture Resistance, Ozone Resistance, Vibration Resistance, Weathering Resistance
Part Number	43338-2287
Specific Uses For Product	Repair
Unit Count	1.00 Count
Viscosity Level	Medium to High
Volume	2.8 Fluid Ounces
Water Resistance Level	Water Resistant

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€ 16.11

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

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TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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