Kraft Flatback Tape

FB-K4318 is a strong flat back tape designed primarily for splicing and tabbing but also can be used for various packaging applications. It is engineered to perform under a wide range of humidity and temperature conditions and sticks to most surfaces. This product complies with the Federal Food, Drug and Cosmetic Act, CFR Title21, Subpart B, par. 175.105 (which covers the use of pressure-sensitive adhesives and tapes for `indirect contact’ food packaging such and box sealing).


  • Use primarily for splicing & holding applications on heavier gauge Kraft papers
  • Use for applications such as carton sealing or paper packaging

Features & Benefits

  • Specially formulated adhesive provides excellent adhesion to heavy kraft surfaces and many other surfaces
  • Tape can be torn by hand and unwinds easily making the tape easy to use
  • Extensible paper provides strength and flexibility for better handling of the material
  • Performs well under a wide range of humidity and temperature conditions

Storage & Usage Conditions

Store tape in its original packaging away from direct sunlight and in a cool and dry area. For optimum performance, tape should be used within 12 months of date of shipment. Tape works best when applied to a surface that is clean, dry and free of grease, oil or other contaminants.


1.89 in x 54.6 yds | 48mm x 50m

Technical Data

Carrier Kraft Paper
Adhesive Rubber
Total Thickness 7.6 mils
Tensile 38 lbs/in
Adhesion 44 oz/in
Elongation 9.0%
Color Kraft
Application Temperature 41°F to 140°F (5°C to 60°C)
Service Temperature 14°F to 140°F (-10°C to 60°C)

The information cited is in good faith and has been established from sources held to be secure and reliable. The values listed are typical properties. Individual rolls may vary slightly from these values. All ECHOtape products are warranted to be free of defects at time of shipment. Many factors can affect the use and performance of a product in a particular application and the user must, by test or otherwise, determine suitability for purpose; Edelstein makes no representation or warranty, express or implied, concerning any application and usage if its products. If ECHOtape product is proved to be defective, the exclusive remedy, shall be for Edelstein to replace the defective product. ECHOtape shall not otherwise be liable for loss or damages, whether direct, indirect, special, incidental or consequential, regardless of the legal theory asserted, including but not limited to, contract, negligence, warranty or strict liability.