Hello. Mainly, my point is whether sanitary silicone is suitable for heating (smoke) connections of fireplaces and stoves. On such sanitary silicone it says that its strength is up to 100-150'C~, engine 350'C~, boiler 950'C~ Isn't it so that silicones differ only in color,...

Silicone is flammable - recently, out of curiosity, I threw a tube with dried silicone into the oven (about 20% left) it was fire and black smoke as if the tire was on fire. It was plain white sanitary silicone. What exactly do you want to silicone? If close to the fire source, it seems to me that a more engine or other heat-resistant one would be suitable for such applications.

Of course they did NO suitable. If your package says that it has a thermal resistance of 150 ° C, it is far too little to seal the connections you are writing about. According to the manufacturers of stoves, boilers and fireplaces, the flue temperature can reach 1000°C in extreme cases, it is regularly close to 500°C. The temperature of the fireplace glass is almost 300°C Regards

Of course, it is not suitable, such ordinary sanitary silicone will behave more or less like rubber. So, however, my friend will have to buy a heat resistant one.

It's in the name of science . Buy more expensive, but designed to work at high temperatures. Sanitary will melt and run or catch fire.

APPROX. I already bought a 950'C

Heating Resilience of Clear Sanitary Silicone: Comparing Fireplaces, Engine, Boiler Use

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#1 10193902 28 Nov 2011 18:58

jump$ jump$

Level 20

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Post #1
10193902 28 Nov 2011 18:58

Hello. Mainly, my point is whether sanitary silicone is suitable for heating (smoke) connections of fireplaces and stoves.
On such sanitary silicone it says that its strength is up to 100-150'C~,
engine 350'C~, boiler 950'C~
Isn't it so that silicones differ only in color, generally in Wikipedia they write that silicone is not flammable?
I have a lot of sanitary silicone so I don't want to buy red silicone
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#2 10194648 28 Nov 2011 20:59

wariato wariato

Level 43

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Post #2
10194648 28 Nov 2011 20:59

Silicone is flammable - recently, out of curiosity, I threw a tube with dried silicone into the oven (about 20% left) it was fire and black smoke as if the tire was on fire. It was plain white sanitary silicone.
What exactly do you want to silicone? If close to the fire source, it seems to me that a more engine or other heat-resistant one would be suitable for such applications.

Moderated By _PREDATOR_:
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#3 10194666 28 Nov 2011 21:01

Anonymous Anonymous

Level 1

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Post #3
10194666 28 Nov 2011 21:01

jump$ wrote:
Hello. Mainly, my point is whether sanitary silicone is suitable for heating (smoke) connections of fireplaces and stoves

Of course they did NO suitable. If your package says that it has a thermal resistance of 150 ° C, it is far too little to seal the connections you are writing about. According to the manufacturers of stoves, boilers and fireplaces, the flue temperature can reach 1000°C in extreme cases, it is regularly close to 500°C. The temperature of the fireplace glass is almost 300°C
Regards
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#4 10194761 28 Nov 2011 21:16

popielarski.555 popielarski.555

Level 11

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Post #4
10194761 28 Nov 2011 21:16

Of course, it is not suitable, such ordinary sanitary silicone will behave more or less like rubber. So, however, my friend will have to buy a heat resistant one.
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#5 10196062 29 Nov 2011 08:23

_PREDATOR_ _PREDATOR_

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Post #5
10196062 29 Nov 2011 08:23

wariato wrote:
Silicone is flammable - recently, out of curiosity, I threw a tube with dried silicone into the oven (about 20% left) it was fire and black smoke as if the tire was on fire.

Nice example!
#6 10207728 01 Dec 2011 23:28

krakarak krakarak

Level 42

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Post #6
10207728 01 Dec 2011 23:28

_PREDATOR_ wrote:

wariato wrote:
Silicone is flammable - recently, out of curiosity, I threw a tube with dried silicone into the oven (about 20% left) it was fire and black smoke as if the tire was on fire.

Nice example!

It's in the name of science .
Buy more expensive, but designed to work at high temperatures. Sanitary will melt and run or catch fire.
#7 10208220 02 Dec 2011 08:40

jump$ jump$

Level 20

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Post #7
10208220 02 Dec 2011 08:40

APPROX. I already bought a 950'C
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Topic summary

Sanitary silicone is not suitable for high-temperature applications such as sealing connections in fireplaces, stoves, or boilers. The thermal resistance of typical sanitary silicone is limited to 100-150°C, while flue temperatures can reach up to 1000°C and regularly hover around 500°C. Users have reported that sanitary silicone can catch fire or melt when exposed to high heat. It is recommended to use heat-resistant silicone specifically designed for high-temperature applications, such as those rated for 950°C.
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Heating Resilience of Clear Sanitary Silicone: Comparing Fireplaces, Engine, Boiler Use

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