U-3690 is a two component sealer solution designed to seal all wooden substrates to prepare the objects to
Be coated with P-2010 High build polyester clear. U-3690 has a broad spectrum of usage, it can seal oily and
Non-oily woods. U-3690 inhibits the migration of oily substances to the surface allowing polyester to cure
Normally. Woods such as Rosewood, Walnut, Maple, and Teak can be sealed effectively with U-3690.
FEATURES:
Superior Adhesion to oily/non-oily substrates
Excellent sandability
Grain filling capability
Pass 42 cycle cold check testing procedure
Water white film
Totally humidity resistant
MIXING DIRECTIONS:
Shake or stir contents. Mix 2 parts of Super Sealeral U-3690 with 1 Part of C-4600 Sealeral catalyst. Reduction
With UR-200 10% will insure perfect flow on highly grainy substrates.
SURFACE PREPARATION:
All wooden surfaces should be sanded and cleaned prior to U-3690 addition.
APPLICATION DIRECTIONS:
For non-oily surfaces 1 mil film thickness will suffice for oily woods a minimum of 4.6 mil will inhibit the migration
Of oils to the surface. U-3690 should be coated with polyester the same day for maximum chemical adhesion,
If not the film should be sanded to create mechanical adhesion.
PRODUCT DATA SHEET
TECHNICAL DATA:
Mix Ratio:2 parts of U-3690 to 1 part of C-4600
V. O. C.:4.6 lbs/gal
Pot life:2--6 hrs.
Volume Solids 27 %
Yield 432 FT Square 1 Mil Dry
Disposal/Safety: See MSDS for this product
Contact our Sales Representative for further information
APEX
WOOD COATINGS
U-3690 Gallon Super Fast Cure Sealeral Sealer
C-4600 Quart U-3690 Activator
The contents of this package must be blended with other components before the product can be used. Any mixture of
Components will have hazards of all components. Before opening the packages, read all warning labels. Follow all precautions.
The material is designed for application only by trained personnel using proper equipment under controlled conditions, and
Is not intended for sale to the general public.