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Technical Data Sheet
Vibra-Tite® 921
Epoxy
November 2012
Product Description
Vibra-Tite 921 is a medium viscosity, industrial
grade epoxy adhesive with extended work life. This
system forms a good adhesion to thermoplastics with
high peel and shear strength. It will cure rapidly with
heat to produce a material with excellent chemical,
heat, and moisture resistance.
Features and Benefits
Easy mix Ratio
Excellent chemical resistance
Excellent dielectric properties
High shear strength
High peel strength
Properties of Uncured Material (resin)
Chemical Type Epoxy
Appearance Black
Specific Gravity 1.12
Toxicity Low
Solids 100%
Viscosity @ 25ºC, cP 50,000 – 56,000
Properties of Uncured Material
(hardener)
Chemical Type Polyamide
Appearance Amber Liquid
Specific Gravity 1.01
Toxicity Low
Solids 100%
Viscosity @ 25ºC, cP 3,000-5,000
Properties of Cured Material
Vo. Mix Ratio, Resin: Hardener 2 to 1
Wt. Mix Ratio, Resin: Hardener 100:55
Work Time, 20g (25ºC) 60 mins
Gel Time, 20g (25ºC) 60 mins
Regular Cure Schedule (25ºC) 72 hrs
Hardness @ 25ºC , Shore D 75-80
Lap Shear @ 25ºC CR Steel 3500psi
(MEK/Abrade/MEK)
General Information
Storage
Product should be stored in cool, dry conditions.
VIBRA-TITE 921 when un-mixed has a shelf life of
12 months when stored at 25°C. Storage in cool,
clean areas is recommended. Usable shelf life may
vary depending on method of applications and
storage conditions.
Note
The data are furnished for information only and are
believed to be reliable. We cannot assume
responsibility for the results obtained by others over
whose methods we have no control. It is
recommended that the product be tested in the
application for which it is to be used.
Technical data contained within this document is intended for reference only
For assistance and recommendations on specifications for this product, contact ND Industries
info@ndindustries.com
11/13/2012 Page 1 of 1
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