Can it be used on a firebox

It depends on what type of firebox you are talking about. for a smoker or grill it worked fine. Other applications I don't know.

Can I use this to reattach a glass door on a convection oven? The door fits into a channel which has hinges on it to swing the door open.

Hi, Thank you for your inquiry. Being we have not tested this product for this application we can not say if this would work for you or not.

Could this be used to fill in small gaps between my fire box and smoke chamber, to stop any unwanted air flow?

Yes. Thats what I used it for. It worked great.

Is this flexible after it dries?

It remains flexible. They actually state on product tube, "25% Movement Capability".

Sil Bond Rtv 6500 High Temperature Industrial Construction Grade Silicone

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Sold byAmazon KUWAITDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Seal the deal with Sil-Bond—where industrial strength meets food-safe finesse!

FOOD SAFE SEAL - USDA-approved and non-toxic, perfect for BBQs and kitchen gear—cook with confidence.
HEATPROOF HERO - Endures extreme temps from -65°F to 500°F continuous—no meltdown, no worries.
WEATHER WARRIOR - UV stable and waterproof for seals that never yellow or crack, indoors or out.
STICK LIKE A PRO - Superior adhesion for gaskets, flues, and plumbing—fix it once, fix it right.
QUICK CLEAN APPLICATION - 2.8oz tube with precision nozzle creates a perfect 1/8” bead—easy, neat, and fast.

Sil-Bond RTV 6500 is a premium red silicone adhesive designed for high-temperature industrial and food-safe applications. It withstands continuous heat up to 500°F (peak 650°F), is USDA-approved for food contact, UV stable, waterproof, and non-shrinking. Ideal for automotive, BBQ, plumbing, and fireplace seals, this 2.8oz tube delivers a durable, flexible bond that resists cracking and yellowing, ensuring long-lasting performance in demanding environments.

Specifications

ASIN	B0114AERBM
Best Sellers Rank	#67,766 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #134 in Silicone Adhesives
Brand	Silicone
Brand Name	Silicone
Color	Red
Compatible Material	Automotive,industrial
Container Type	Tube
Customer Reviews	4.5 out of 5 stars 799 Reviews
Item Form	Paste
Item Package Quantity	1
Item Weight	3.2 ounces
Manufacturer	Home & Kitchen Store
Material	Silicone
Material Type	Silicone
Model	CECOMINOD027805
Other Special Features of the Product	High Temperature, Non-Shrinking, Transportation Seals, VOC Compliant, Waterproof
Part Number	RKTCH-PN-29576205
Special Feature	High Temperature, Non-Shrinking, Transportation Seals, VOC Compliant, Waterproof
Specific Uses For Product	Automotive, Plumbing, Furnace and Fireplace
UPC	720189986055 091131159644
Unit Count	2.8 Ounce
Viscosity Level	Medium
Volume	2.8 Fluid Ounces
Water Resistance Level	Waterproof

Reviews

H**N

18.02.2026

M**Y

10.10.2023

B**E

6.03.2026

J**Y

23.08.2018

M**A

15.03.2026

G**N

30.08.2019

W**H

20.08.2024

R**Z

21.11.2025

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