Datasheet
PERFORMANCE PROPERTIES
CHEMICAL RESISTANCE
White printable zone of B-427 was printed with Brady Series R4300 black thermal transfer ribbon. Samples wrapped
around 0.080” OD TFE wire in a self-laminating format. Except where noted, testing was conducted at room
temperature after 24 hour dwell. Testing consisted of 5 cycles of a 10 minute immersion in the specified test fluid
followed by a 30 minute recovery period.
CHEMICAL REAGENT
SUBJECTIVE OBSERVATION OF VISUAL CHANGE
SUBSTRATE/ADHESIVE
SERIES R4300 RIBBON
Cleaners and Solvents
Isopropyl Alcohol
No visible effect
No visible effect
Mineral Spirits
No visible effect
No visible effect
Northwoods™ Buzz Saw Terpene
Cleaner
No visible effect
No visible effect
Formula 409®
No visible effect
No visible effect
Deionized Water
No visible effect
No visible effect
Fuels, Oils and Lubricants
Gasoline
Moderate unwrap
No visible effect
Brake Fluid
No visible effect
No visible effect
SAE 30 WT Oil at 70°C
No visible effect
No visible effect
Yellow 77® Wire Pulling Lubricant
No visible effect
No visible effect
Deionized Water
No visible effect
No visible effect
Aerospace Related Fluids
JP-8 Jet Fuel
No visible effect
No visible effect
Skydrol® 500B-4
Material destroyed
NA
MIL-H- 5606 Oil
No visible effect
No visible effect
B-427 is not recommended for use in harsh organic solvents such as methyl ethyl ketone, acetone, or 1,1,1-
trichloroethane.
Product testing, customer feedback, and history of similar products, support a customerperformance expectation of at
least two years from the date of receipt for this product as long as this product is stored in its original packaging in
an environment below 80 degrees F (27 degrees C) and 60% RH . We are confident that our product will perform well
beyond this time frame. However, it remains the responsibility of the user to assess the risk of using such product. We
encourage customers to develop functional testing protocols that will qualify a product's fitness for use, in their actual
applications.




