Yes it can get wet. It will not insulate well until it is dried out again. If it gets wet and freezes, over time the fibers will break apart and it will deteriorate.

Can i use this to insulate hvac metal duct?

Yes, but why when regular fiberglass in much cheaper? This product in intended for temperature much higher than any HVAC requires. You may want to use this for an exhaust from a furnace flue to insulate the high temps (in excess of 200 degrees F.) from other parts of the furnace or structural components of a building.

Okay to wrap around a single walled stovepipe using duct tape?

the kaowool is good to 2200 degrees direct flame and 2400 intermittent it will melt at 3200 degrees I definitely would not use duct tape to wrap it you can get the metal fireproof type tape at home depot and use that I would take a temperature check of the single wall pipe at operating temperature before I began

Would this be effective using as acoustic insulation?

No, it is solely for insulation around a wood stove insert.

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Lynn Manufacturing Kaowool Ceramic Fiber Insulation, 1" Thick 12" x 24", 2400F Fireproof Insulation Blanket, 3023E

Lynn Manufacturing Kaowool Ceramic Fiber Insulation, 1" Thick 12" x 24", 2400F Fireproof Insulation Blanket, 3023E

Product ID: 369748923

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Details

Material
Ceramic
Brand
Lynn
Item Thickness
1 Inches
Recommended Uses For Product
Insulation for
Product Dimensions
61L x 30.5W

📏1" thick x 12" x 24" precise dimensions

🔥2400°F fireproof rating

🇺🇸Made in the USA, 8 lb/ft³ density

Description

🔥 Insulate like a pro — fireproof your space with confidence!

VERSATILE INDUSTRIAL USE - Ideal for wood stoves, fireplaces, forges, and even jewelry making—engineered for professionals who demand excellence.
PERFECT FIT FOR PRECISION - 1-inch thickness and 12x24 inch size designed for seamless installation in stoves, kilns, and more.
UNMATCHED HEAT RESISTANCE - Withstands extreme temperatures up to 2400°F, keeping your projects safe and efficient.
PREMIUM AMERICAN CRAFTSMANSHIP - Proudly made in the USA with a dense 8 lb/ft³ ceramic fiber for superior durability.
TRUSTED ALTERNATIVE TO TOP BRANDS - Comparable to Kaowool and Fiberfrax, ensuring you get premium quality without compromise.

Lynn Manufacturing's Kaowool Ceramic Fiber Insulation Blanket is a 1-inch thick, 12x24 inch fireproof insulation rated to withstand temperatures up to 2400°F. Made in the USA with a dense 8 lb/ft³ ceramic fiber, it’s engineered for high-performance applications including wood stoves, kilns, forges, and more, offering a reliable and versatile solution comparable to leading industry brands.

Specifications

Manufacturer	Lynn Manufacturing
UPC	810527033449
Item model number	3023E
Product Dimensions	60.96 x 30.48 x 0.1 cm; 317.51 g
ASIN	B07ZQPC43B

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