KW Industries

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Warranty

ONLINE CATALOG

The introduction of applying powder coatings to lighting standards by Industries, Inc. changed all the conventional rules. As a direct result, old technologies such as liquid coatings have become outdated. Other manufacturers, quick to jump on the powder coating bandwagon, introduced their formulations and process applications but none have achieved the quality recognition of the

Coating System. The components of the unique

Coating System make

lighting standards the highest quality available.? has no equal; having physical and chemical properties that other producers of powder coated lighting standards have yet to achieve.

is rugged while satisfying the aesthetic demands of the specifier.??

Industries was created exclusively to design and manufacture lighting standards. Our company's total effort is to provide the finest lighting standards available in the world. Excellence is the watchword at

with our

Coating System leading the way. There are many variables when selecting a lighting standard. Design, budget, new technology, craftsmanship and production considerations are major factors when specifying the grade level and finish of a lighting standard, In the end, client and specifier agree on one thing...quality is essential.

5 YEAR WARRANTY

10 YEAR WARRANTY

powder is custom formulated from thermosetting polyester resins, curing agents, pigments and modifiers, to meet specific end-use requirements for durability, chemical resistance, and UV protection. Resins and pigments are mixed while molten and then cooled and solidified. The resulting material has a completely uniform composition. The cooled material is then ground to the desired particle size for application to the metal.

Electrostatic Application Offers More Uniform Coating

Electrostatic spraying is the most common method for applying powder coatings, and is the method chosen by

powder is fed pneumatically from a reservoir to a spray gun where a low amperage, high voltage charge is imparted to the particles. The parts to be coated are grounded so that the charged particle will seek the oppositely charged metal surfaces. With this method, a single application can produce a uniform, monolithic, fusion-bonded finish.

The powder-coated parts then enter an oven where the resins, pigments, and other reactive agents crosslink to produce a high molecular weight binder system, resulting in a tough, durable coating. The mechanical and physical properties of

are listed in Figure 1.

Superiority

was developed for outstanding weatherability, toughness, and architectural aesthetics. When considering the advantages of the

powder coating process, it's difficult to understand why anyone would choose a lighting standard coated with liquid paint.

powder coating is 100% solid with every powder particle containing the total color system.
? The high molecular weight of

powder coatings provide better corrosion, impact, chip, and scratch resistance, which means less damage.
? Adhesion problems associated with multiple coats of liquid paint are eliminated.
? There are no runs, sags or drips in

powder finishes.
? Paint defects such as solvent popping, pinholes, and blistering are eliminated, since there are no solvents in powders.
?

is highly resistant to diluted aqueous acids, salts, aliphatic and aromatic hydrocarbons, solvents, alcohols, grease and oils.
?

provides UV protection which eliminates chalking and minimizes color fading. Low molecular weight, liquid systems simply can't compare with

high molecular weight powders. Liquid system finishes are easily chipped and scratched, and require constant care to maintain appearance, and most important, to prevent corrosive damage.

The Superior Internal Coating

is a specially formulated internal coating used to complete the

system. The internal base end of the pole shall be blast cleaned and powder coated in accordance with external coating requirements for a minimum distance of 12 inches as measured from the base plate. The remainder of the internal pole surface shall be coated with

, a thermal plastic hydrocarbon resin system specially formulated for application over untreated steel surfaces. The internal coating shall contain chromate corrosion inhibitors and be capable of passing 1,000 hours of salt spray exposure (ASTMB-1 17) in a 5% NaCl solution of 95?F and 95% relative humidity producing no blistering.

The

shall be applied to the internal surfaces at a substrate temperature of 185?F to 212?F insuring intimate migration through, and encapsulation of, the surface oxide film.

shall be applied in a manner to insure complete, uniform I.D. coverage to a thickness 3-5 mils.

shall overlap the internal powder coated portion of the pole a minimum of 6 inches.

is specifically designed as an internal coating to resist atmospheric and other normally encountered corrosive media. The film shall remain soft and will exhibit film appearance or texture common to external coating systems. The mechanical and physical properties of

are listed in Figure 2.

Special preparation of the metal, formulation of the powder, and sophisticated application techniques make it the most durable, resilient, tightly bonded, colorfast pole finish available. That makes

Coating System lighting standards practically maintenance-free and cost effective.

5 YEAR WARRANTY

Metal Preparation
The exterior surface is cleaned with an alkaline rinse to remove dirt, oil or surface contaminants. The exterior metal surface is then blasted with a combination of shot and grit, to remove all mill scale, oxides, or any foreign matter. Excess shot and by-products from the blasting operation are blown off with dry, compressed air. Blasting in accordance with the above requirements provides a 1.5 mil profile anchor pattern for a maximum fusion bond to the substrate. This surface satisfies the "near white" specification as published by the Steel Structures Painting Council Standards SSPC-SP10 (near white).

Chemical Pretreatment
The blasted metal surface is chemically pretreated with an iron phosphate conversion coating applied at high pressure at 110? to 120?F. The preheated surface immediately receives an ambient fresh water rinse containing special surfactants and sealers. The phosphated exterior metal surface is force dried by convection heat at approximately 200?F., forming a dry tight micro-crystalline coating not less than 50mg./sq.ft. of iron phosphate on the surface.

Powder Coating

is a special powder coating formulated from a unique combination of polyester resins designed to exhibit superior outdoor weatherability, durability and gloss retention.

is applied with state-of-the-art electrostatic powder coating equipment to a uniform 8 mil finish. Charged powder particles adhere to the surface of the lighting standard to form a high molecular weight, fusion-bonded finish. Precisely controlled bake times and temperatures ensure complete bonding and dispersion of pigments and resins.

Internal Coating
The internal base-end of the pole is blasted, cleaned and powder coated for a minimum of 12 inches from the baseplate. The entire internal surfaces including powder coated area at the base-end are coated with

, a thermoplastic hydrocarbon resin system specially formulated for application over untreated steel surfaces.

is to be applied in a manner to ensure complete, uniform ID coverage to a thickness of 3 mils. The internal coating contains special corrosion inhibitors and is capable of passing 1000 hours of salt spray exposure (ASTM B-117).

Over Hot Dip Galvanizing
10 YEAR WARRANTY

In areas where superior performance is required,

powder coating applied over hot dip galvanized steel provides an additional surface barrier, encapsulating the cathodic protective zinc surface.

Hot Dip Galvanizing
The exterior and interior metal surface is hot dip galvanized in accordance with ASTM A-123. During the hot dip galvanizing process the molten zinc reacts with the steel surface forming a barrier that becomes an extension of the steel surface.

Metal Preparation
The exterior galvanized surface is washed under heat and pressure with an alkaline rinse to remove any excess oxides or contaminants. The exterior surfaces are then centrifugally brush blasted with a combination of shot and grit to remove excess oxides and foreign matter providing an anchor pattern profile without disruption to the galvanized surface.

Chemical Pretreatment
The blasted metal surface is chemically pretreated with an iron phosphate conversion coating applied at high pressure at 110? to 120?F. The preheated surface immediately receives an ambient fresh water rinse containing special surfactants and sealers. The phosphated exterior metal surface is force dried by convection heat at approximately 200?F., forming a dry tight micro-crystalline coating not less than 50 mg./sq.ft. of iron phosphate on the surface.

Powder Coating
Charged powder particles are applied to the surface of the lighting standard to form a high molecular weight, fusion bonded

finish. Exact bake times and temperatures ensure complete bonding and dispersion of pigments and resins. This process assures superior weatherability, durability and gloss retention.

Internal Coating
The internal galvanized section is coated with

, a corrosion inhibitor, to form a protective internal barrier. The cathodic protection of the hot dip galvanized surface, encapsulated by the

internal coat, provides superior corrosion resistance.

Fused Powder Coating performance Specifications
(based on phosphate coated panels)

GLOSS: ASTM D-523-60 deg 50% to 60% gloss
PENCIL HARDNESS: ASTM D-3363-2H minimum
IMPACT RESISTANCE: ASTM D-2794-160 inch lbs. forward/reverse
FLEXIBILITY: ASTM D-522-180 deg bend over 1/4" mandrel
ADHESION: ASTM D-3359B - no lifting of coating
SALT SPRAY RESISTANCE: ASTM B-117-1000 hrs. in 5% solution at 95?F and 95% relative humidity produces no blistering and less than 1/16" undercutting from scribe
HUMIDITY RESISTANCE: ASTM D-2247-100% relative humidity at 100F for 1000 hours-no effect
WEATHERABILITY: ASTM D-822-1 year south Florida exposure at 45? angle 91% of gloss retention

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