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Incralac, Pint #683-121
 
Price:
$33.95
Chemical Name:
Incralac Clear Coat
Synonyms:
Clear Coat for Copper, Brass, Bronze

Detailed Product Description:

Incralac is a professional grade, acrylic-based protective coating formulated

specifically for coating the copper alloys, brass, and bronze.  It provides a tough,

clear, glossy, tarnish-resistant coating which is unaffected by UV and continuous

exterior exposure.

 

Typical Applications:

Incralac is designed specifically for clear-coating copper alloys (brass,

bronze).  It resists the attack of UV making it ideal for outdoor use.  This

coating is applicable for either interior or exterior applications.  Not for

constant water immersion such as bronze underwater gear on boats, however.

 

Appropriate for use on copper domes, brass plaques, bronze memorials,

ornaments, light fittings, door knobs and household utensils.  Can also be

used on copper or brass range hoods or flues which are not subject to direct

flame.  Is also applicable to aluminum and silver surfaces.

 

Background:

Originally developed by INCRA (International Copper Research Association)

for the protection and prevention from tarnishing of copper, brass, and similar

alloys.  It is comprised of a solution of methyl methacrylate copolymer (acrylic resin)

incorporating benzotriazole, a very expensive but proven vapor phase corrosion

inhibitor for copper and its alloys. 

 

Exposure to sunlight and some artificial lights can have adverse effects on the

useful life of polymeric coatings.  UV radiation can break down the chemical bonds

in a polymer.  This process is called photodegradation and ultimately causes cracking,

chalking, color changes and the loss of physical properties.

To counteract the damaging effect of UV light, UV stabilizers are added to the

formulation.  UV stabilizers can be categorized by two general classifications—

ultraviolet light absorbers (UVA) and hindered amine light stabilizers (HALS).

HALS are extremely efficient stabilizers against light-induced degradation of most

polymers.  They do not absorb UV radiation, but act to inhibit degradation of the

polymer.  Significant levels of stabilization are achieved at relatively low concentrations.

HALS' high efficiency and longevity are due to a cyclic process wherein the HALS

are regenerated rather than consumed during the stabilization process.

 

Application Notes:

 

Surface Preparation:

A perfectly clean surface is critical to the performance of this coating.  Surface

must be free of all previous coatings (paint remover may be required.)  Polish

the surfaces with a conventional metal polish.  Wash in warm soapy water to

remove residue.  Since the soap off in clean hot water and dry thoroughly without

touching the surfaces with your hands.

 

Application:

Recommended application is with an air brush.  No thinning is required.  Stir

Contents thoroughly.  Fill air brush cup and apply 1-2 coats for interior use

and coats for exterior use.  Allow 30 minutes between coats.  Dries to

touch in 30 minutes.

 

Coverage:

A pint will cover approximately 30 square feet when applied at a typical 13

micron thickness.

 

Clean-Up:

Dissolves in lacquer thinner.

 

Precautions:

Ensure adequate ventilation during use.  Highly flammable.  Do not use if surface

temperature is below 55°F or in humid conditions.

 

Size/Packaging:

Contents of 1-Pint comes packed in cone-top steel can for ease of pouring into

air brush cup.


Quantity:
Call For Pricing: (408) 221-7122
 
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