K23 Insulating Firebrick 9 x 4.5 x 1 Morgan Thermal Ceramics 2300F Box of 6

Iya Knows Best
(10103)
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US $29.63
ApproximatelyS$ 38.18
Condition:
New
48 available138 sold
Breathe easy. Returns accepted.
This one's trending. 138 have already sold.
Shipping:
US $19.79 (approx S$ 25.50) Standard Shipping.
Located in: Hesperia, California, United States
Delivery:
Estimated between Sat, 27 Sep and Tue, 30 Sep to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days return. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
Coverage:
Read item description or contact seller for details. See all detailsSee all details on coverage
(Not eligible for eBay purchase protection programmes)
Seller assumes all responsibility for this listing.
eBay item number:202295951590
Last updated on Sep 13, 2025 03:24:00 SGTView all revisionsView all revisions

Item specifics

Condition
New: A brand-new, unused, unopened, undamaged item. See the seller's listing for full details. See all condition definitionsopens in a new window or tab
Model
IFB Insulating Firebrick
Country/Region of Manufacture
United States
Excellent strength at operating temps
Low thermal conductivity
Knife shaping or Sword making
Heat Treat Oven
Sold as a 6 PACK of individual firebrick
Cut from Morgan Thermal Ceramic Firebrick
Factory Fresh Firebrick
USA Veteran Seller
Low density
Ultra Low Thermal Conductivity
Kiln Repair or Oven Repair
Fireplace Chimney Stove Oven Hearth Repair
Hot Blast Stove
Heat Treat Oven
Precious Metal Smelter
Gold Silver Copper Aluminum
Universal Design
Replaces many current firebrick applications
Excellent strength at operating temps F
Blacksmith Blacksmithing
MPN
K-23 K23 2300F
6 Pack of 9 x 4.5 x 1 One Inch Firebrick
Shipped USPS Priority Mail
Continuous work temp rated 2300F
Will withstand bursts of 2750F
Cement with K Bond Wet Mortar
Hold Together or Increase Temp Rating
Air Dry Wet Mortar Available
Ceramic Fiber Blanket Choices
Chemical Analysis
Alumina and Silica
Propane Gas Forge
Rocket Stove
International Buyer PLEASE REQUEST QUOTE
Published Rates vary from Actual Rates
Excellent Strength
Thermal Stability
USA Veteran Seller
Made in the USA
Brand
Morgan Thermal Ceramics
California Prop 65 Warning
WARNING PROP 65: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Avoid breathing fiber particulates and dust. SAFETY INSTRUCTIONS FOR PERSONAL PROTECTION MAY INCLUDE: WEAR SAFETY MASK | WEAR SAFETY GLASSES | WEAR SAFETY GLOVES.
UPC
Does not apply
Category

Item description from the seller

About this seller

Iya Knows Best

100% positive feedback•65K items sold

Joined Jul 2010
Usually responds within 24 hours
Learning heat containment and thermal nuclear dynamics while serving in the Marine Corps, I had the opportunity to work with many products and study their properties, as well as their effectiveness. I ...
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Detailed Seller Ratings

Average for the last 12 months
Accurate description
5.0
Reasonable shipping cost
4.9
Shipping speed
5.0
Communication
5.0

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Seller feedback (9,386)

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  • o***a (363)- Feedback left by buyer.
    More than a year ago
    Verified purchase
    BUY HERE, GOOD Price, Fast Shipping, Wonderful Packaging, Great Customer Service !
    Reply from: iyaknowsbest- Feedback replied by seller iyaknowsbest.- Feedback replied by seller iyaknowsbest.
    Thank you so very, very much for your three years of continuous patronage! We are honored by your repeat business!!
  • r***r (1182)- Feedback left by buyer.
    More than a year ago
    Verified purchase
    A+ great seller
  • .***b (58)- Feedback left by buyer.
    More than a year ago
    Verified purchase
    Quick delivery and good quality. Fire brick is a little fragile and every brick was in one piece and ready t for me to use.
See all feedback