If i wanted to use this to replace a rubber plug on a latch kit used to hold a smoker/grill door closed approx 250-350° for hours, would it melt?

I use these plugs in my composites oven at 450F for hours.

Can these be used as a plug on a tea kettle?

While they would fit the application, we don't recommend these for direct food contact as they are not manufactured for such uses.

Are these safe for capping food bottles, like pickled food or olive oil?

These products are manufactured for metalworking and masking purposes so we cannot recommend them for use with food.

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High Temp Masking Supply 20pc Extra Large Silicone Rubber Plug Kit Powder Coating Custom Paint Supplies

Product ID: 278241266

Details

Brand
High Temp
Colour
Assorted
Item weight
0.01 Kilograms
Material
UPC
616639117622

🔥Withstands 600°F/315°C heat

🧩20 versatile plugs, 0.75"–1.437" sizes

♻️Reusable, flexible, durable silicone

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17.99 OMR

Duties & taxes included

In stock

Sold byAmazon OMANDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Seal the deal with silicone that outperforms and outlasts!

BUILT TO LAST - Premium silicone resists chemicals, won’t harden or break over time
MULTI INDUSTRY READY - Ideal for powder coating, painting, plating, anodizing, and media blasting
ALL IN ONE SIZE RANGE - 20 plugs cover hole diameters from 0.75" to 1.437", perfect for any big project
COLOR CODED EFFICIENCY - Assorted colors for quick identification—no more guesswork on the job
HEAT RESISTANT POWERHOUSE - Handles extreme temps up to 600°F without cracking or shrinking

The High Temp Masking Supply 20pc Extra Large Silicone Rubber Plug Kit offers 20 color-coded plugs sized from 0.75" to 1.437" designed for high-heat applications up to 600°F (315°C). Crafted from premium silicone, these plugs are flexible, reusable, and resistant to cracking, shrinking, and chemical damage—perfect for powder coating, painting, plating, anodizing, and media blasting tasks.

Specifications

ASIN	B018GZZR6M
Brand	High Temp Masking Supply
Brand Name	High Temp Masking Supply
Color	Assorted
Colour	Assorted
Customer Reviews	4.8 out of 5 stars 397 Reviews
Item Weight	0.01 Kilograms
Item weight	0.01 Kilograms
Manufacturer	Birsppy
Manufacturer Part Number	PPCS-20PXLPK
Material	silicone_rubber
Material Type	silicone_rubber
Model Number	PPCS-20PXLPK
Number of Items	20
UPC	616639117622

Reviews

R**Y

Great variety of sizes

Nice sizes, works great for powder coating.

18.04.2026

G**N

Livraison rapide

Bon produit, tel d'indiquer

16.01.2021

C**D

Great would buy again if needed

Very high quality silicone. I had to buy a multi pack for my stainless steel chicken waterer. It came with a nasty rubber plug but the silicone has no off smell. Good value for the use.

27.03.2026

Y**E

Works great

These worked great for plugging hydraulic lines. Could use a few more yellow ones.

1.12.2023

S**E

bien

17.02.2023

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