TC-89 A/B PRIMER Page 1 of 2 Date: 04/24/2024
For more information call BJB Enterprises, Inc. (714) 734-8450 Fax (714) 734-8929
www.bjbenterprises.com
PAINTS / COATINGS
By BJB Enterprises. Inc.
An ISO-9001 Certified company
TC-89 PRIMER
This primer was developed to apply against cured urethane substrates for achieving good adhesion when applying another urethane
product for painting or bonding applications.
APPLICATION:
Apply to clean and dry surface to
1
/10 mil or less in thickness. Spraying is the preferred method of applying this primer, however a
light brush or roller coat is adequate in some cases. Drying times will vary with working conditions. At room temperature, the
primer is generally tack free in 45 minutes to 1 hour.
It is recommended that best adhesion results will be gained by applying coatings, casting materials or other materials on the primer
between 45 and 60 minutes after the primer has been applied. Mixed TC-89 A/B should be used within 1 week.
COVERAGE:
1 pint will cover approximately 40 square feet and will provide about mil dry thickness. NOTE: This may vary depending on the
substrate s absorption characteristics.
HANDLING PROPERTIES Part A Part B
Mix Ratio (by weight) 10 100
Specific Gravity @ 77 F (25 C) 1.23 0.81
Color Dark Brown Colorless
Viscosity (cps) @ 77 F (25 C) Brookfield 250 0.61
STORAGE:
Store ambient temperatures, 65-80 F (18-27 C). Unopened containers will have a shelf life of 6 months from date of shipment when
properly stored at recommended temperatures. Purge opened containers with dry nitrogen before re-sealing.
SAFETY PRECAUTIONS:
Use in a well-ventilated area. Avoid contact with skin using protective gloves and protective clothing. Repeated or prolonged
contact on the skin may cause an allergic reaction. Eye protection is extremely important. Always use approved safety glasses or
goggles when handling this product.
TC-89 A/B PRIMER Page 2 of 2 Date: 04/24/2024
For more information call BJB Enterprises, Inc. (714) 734-8450 Fax (714) 734-8929
NON-WARRANTY “Except for a warranty that materials substantially comply with the data presented in Manufacturer’s latest bulletin describing the product (the basis for this substantial
compliance is to be determined by the standard quality control tests generally performed by Manufacturer), all materials are sold “AS IS” and without any warranty express or implied as to
merchantability, fitness for a particular purpose, patent, trademark or copyright infringement, or as to any other matter. In no event shall Manufacturer’s liability for damages exceed
Manufacturer’s sale price of the particular quantity with respect to which damages are claimed.”
IF CONTACT OCCURS:
Skin: Immediately wash with soap and water. Remove contaminated clothing and launder before reuse. It is not
recommended to remove resin from skin with solvents. Solvents only increase contact and dry skin. Seek qualified
medical attention if allergic reactions occur.
Eyes: Immediately flush with water for at least 15 minutes. Call a physician.
Ingestion: If swallowed, call a physician immediately. Remove stomach contents by gastric suction or induce vomiting only as
directed by medical personnel. Never give anything by mouth to an unconscious person.
WARNING: This product can expose you to chemicals including Methyl isobutyl ketone, which is/are known to the State of
California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
NOTE:
Refer to the Safety Data Sheet before using this product. For processing tips and guides, please visit: learn.bjbmaterials.com to
discover additional information.