would this product be ok on a piston face? just concerned about the pressures. cheers

This would NOT work. You need a new piston.

Will this repair a rusted out boiler wall, full water contact on one side and high heat from fire on other. Part #1.

this product would not repair a boiler wall. it is actually water based. I use it mostly as a filler for scratched surfaces on heads and engine decks. Personally I would weld the boiler crack

We have an antique car that needs to have a crack sealed in a cast iron exhaust manifold. Which product, 2400 or 653 would be best for that?

653 has to be heat cured at 200 degrees after air curing. 2400 does not need the heat cure if the application temp is above 400.

Can this be used to attach a type k thermocouple to a pcb with a ceramic substate?

I manufacture Thermocouples from wire for PC Boards . I think this stuff is NOT what you want ! Kenny Bayer

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Pyro-Putty 2400

Product ID: 19236787

Details

Color
Clear
Item Form
Paste
Material
Ceramic
Special Feature
Heat Resistant
Specific Uses For Product
Industrial

⏳Air sets in 2-4 hours

🔥Withstands 2000°F heat

🛠️Repairs up to 3/8" thick

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€ 148.76

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Fix it once, fix it for life with Pyro-Putty 2400!

FAST AIR SET FORMULA - Ready to handle repairs in just 2-4 hours at room temp
THICK TOUGH REPAIRS - Apply up to 3/8" thick for durable, long-lasting fixes
EXTREME HEAT RESISTANCE - Handles scorching temps up to 2000°F without breaking a sweat
VERSATILE METAL BONDING - Seals and repairs cast iron, steel, stainless steel & more with ease
INDUSTRIAL GRADE RELIABILITY - Perfect for exhausts, turbines, boilers, and high-temp systems

Pyro-Putty 2400 is a ceramic and stainless steel filled high-temp repair paste that withstands up to 2000°F. It air-sets in 2-4 hours and can be applied up to 3/8" thick, making it ideal for sealing and repairing metal components like exhaust manifolds, headers, and industrial systems. This thermally conductive, VOC-free putty cures at room temperature or with heat, offering a durable, machinable, and paintable finish.

Specifications

ASIN	B00AKJF2KO
Best Sellers Rank	#1,006,040 in Automotive ( See Top 100 in Automotive ) #332 in Body Repair Putty
Color	Clear
Compatible Material	Alloy Steel, Ceramic, Metal, Stainless Steel
Container Type	Can
Customer Reviews	3.5 3.5 out of 5 stars (15)
Full Cure Time	2 Hours
Item Form	Paste
Item Package Quantity	1
Item Weight	16 ounces
Manufacturer	Aremco
Material Type	Ceramic
Model	2400
Other Special Features of the Product	Heat Resistant, Thermally Conductive
Part Number	PYRO25
Specific Uses For Product	Industrial High Temperature Systems, Turbines, Incinerators, Boilers, Ovens, Furnaces
Unit Count	1.0 Count
Viscosity Level	High
Water Resistance Level	Not Water Resistant

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