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Vacuum Metallizing Coatings
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VB-4777
High Heat Vacuum Metallizing Basecoat |
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Description
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VB-4777 is a High Heat
Resistant Vacuum Metallizing Basecoat
designed specifically for use on Amodel
PPA, GTX, PC/ABS, PET, Aluminum, Nylon,
Polycarbonate, Polyarylate, Polyester
and Steel.
Among its attributes,
VB-4777 delivers iridescent free
performance under high stress conditions
and exhibits excellent specularity and
optical properties. In addition, this
Vacuum Metallizing Basecoat offers
outstanding adhesion, hardness, flow and
surface wetting properties and cures to
a clear, non-discoloring film.
VB-4777 is suggested
for use on high intensity general
purpose and Automotive lighting
applications, with in-service operating
temperatures from 230 - 500 degrees F.
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Properties
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Values
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Notations
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Specific Gravity:
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.94 - 1.01
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at 77 °F.
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Pound/Gallon:
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7.88 - 8.49
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at 77 °F.
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Solids content:
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39 - 46 %
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Range by weight
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Viscosity:
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17 - 23 sec.
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#2 Zahn Cup
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Spread:
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1260 sq/ft
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at .5 mills (approximate)
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Boiling Range:
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64 - 328
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°F
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Flash Point:
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4
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°F
(TCC)
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V.O.C. Content:
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> 3.75
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lb/gl
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Other Information
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DOT Classification:
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Flammable Liquid
(FL)
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HMIS Rating:
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2-3-1
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H-F-R
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Application
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Method:
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Apply by Conventional or
HVLP Spray.
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Reduction
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As supplied, this
Metallizing Basecoat is offered at ready
to spray viscosity. However, If necessary,
reductions may be made with Acetone or
Butyl Acetate solvents.
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Cure Cycle
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Flash off 15 minutes,
followed by a 60 - 90 minute cure at a
minimum part temperature of 230 degrees
F., to as much as 500 degrees F.,
depending on substrate, film thickness at
application and in-service temperature
requirements. For additional cure
cycle recommendations, please contact
Pearl Paints North America, Inc. directly.
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Storage
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Store in tightly sealed
containers, at ambient temperatures.
Protect from moisture, evaporation and foreign
materials. Process ability of this product
can be adversely affected by evaporation
and contamination.
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Shelf Life
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12 months, provided
materials are kept in sealed original
containers under specified conditions.
Storage beyond this period can produce
higher viscosities.
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Availability
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VB-4777 is available in 5 and 55 gallon epoxy
phenolic lined steel containers. Please
contact Pearl Paints for ordering
information.
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