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VT-4860
U.V. Resistant Vacuum Metallizing Topcoat |
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Description
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VT-4860 is a fast Air
Dry, U.V. Resistant Clear Vacuum Metallizing
Topcoat. Among its attributes,
VT-4860 offers exceptional U.V.
Resistance, Water Soak, Salt Spray,
Humidity, QUV and Thermal Resistance. In
addition, VT-4860 provides outstanding
adhesion, and optical properties at thin
film
load levels.
VT-4860 is ideally
suited for interior and exterior surface
Automotive, Residential and Industrial
Lighting applications.
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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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.84 - .89
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at 77 °F.
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Pound/Gallon:
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6.99 - 7.41
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at 77 °F.
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Solids content:
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14 - 20 %
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Range by weight
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Viscosity:
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16 - 21 sec.
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#2 Zahn Cup
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Spread:
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480 sq/ft
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at .5 mills (approximate)
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Boiling Range:
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175 - 328
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°F
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Flash Point:
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23
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°F
(TCC)
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V.O.C. Content:
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< 6.50
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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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1-3-0
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H-F-R
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Reduction
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Do not reduce VT-4860.
Apply as is.
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Application
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Method:
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Apply by conventional
and
HVLP Spray.
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Coating Properties
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Water Soak:
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No evidence of blistering,
whitening of the coating surface or loss
of adhesion after 240 hours emersion
at 104 degrees F., and 5 minutes recovery.
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Acid Resistance:
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No evidence of blistering,
whitening of the coating surface or loss
of adhesion after 24 hours emersion in a
1% hydrochloric Acid solution at 77
degrees F., and 5 minutes recovery.
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Humidity:
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No evidence of cracking of
the coating surface, shrinkage or
whitening of the coating surface after 120
hours at 98% relative humidity at 38
degrees C.
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Fadeometer/QUV:
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No evidence of blistering
or whitening of the coating surface after
1000 hours QUV.
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Thermal Stability:
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No evidence of blistering,
cracking or yellowing of the coating
surface. No evidence of adhesion loss.
Testing completed after 240 hour at
155 degrees C.
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Salt Fog:
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No evidence of coating
deterioration, cracking of the surface, or
whitening of the coating surface after 100
hours.
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Cure Cycle
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Air Dry (or) Flash off 15 minutes,
followed by a 40 - 60 minute cure at 180 degrees F.
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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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VT-4860 is available in 5 and 55 gallon epoxy
phenolic lined steel containers. Please
contact Pearl Paints for ordering
information.
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