Fire Testing Certification PDF Downloads

Paper Seal Fire Retardant 

Product Data Sheet


Paper Seal Fire Retardant is an application ready, water based fire retardant designed for treatment of corrugated paper, wall board, press board material and most types of paper.  Paper Seal Retardant is water borne mix of proprietary ingredients, which forms a carbon char when the treated paper is exposed to fire.  Once the carbon char is formed there will be minimal flame propagation, smoke evolution or afterglow.

Typical Analysis

Total Solids 16 – 18%
Weight per Gallon 9.0 – 9.2 lbs
Specific Gravity 1.08 – 1.11
pH 5.5 – 6.7

Product contains no PBDE’s (Polybrominated Diphenyl Ethers) or petroleum derivatives.

Fire Retardant Application

Paper Seal Fire Retardant must penetrate the paper fibers and be allowed to thoroughly dry to be effective.  Sealed or coated paper is not treatable by Paper Seal.  The recommended coverage rate is 300 – 400 sq./ft. per gallon, for common applications. Most paper materials, properly treated with this product, will meet the NFPA 701 requirements.

It is recommended that a small sample be tested for penetration and color fastness before full-scale application.

Wet the paper thoroughly, then allow to air dry or force dry with moving air and/or heat.

Paper Seal Retardant may be utilized in the paper making process by adding the product in the slurry, typically when the moisture content is below 40%.

This product may be used on:  card board products, wall board, pressed board and most types of paper.

Packaging and Handling

Paper Seal  Fire Retardant is a liquid available in various packaging sizes from a 1 gallon to bulk containers.

Refer to MSDS for proper handling.

Storage Conditions

Temperature Range:  40 °F to 90 °F.

Shelf Life

Two years from date of manufacture.


Products are guaranteed to perform their fire retardant function as represented by third party tests, if applied according to manufacturer’s published instructions.  Products may not be diluted or altered prior to use.

*There are no other warrantees either expressed or implied since Flame Seal Products, Inc. cannot control the actual application of the products.  Users must determine usability and suitability for their particular requirements, as well as compatibility with the exact materials to be treated or coated. *Exception:  An Expanded Warranty is available for work performed by Certified Applicators.

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