Englert B4000 - Manual (Page 5)

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2.05 PERMACOLOR3500 FINISH - (35-Year Warranty)
A. Englert’s PermaColor 2000 standard 30-year color coatings comprises of a .8 to .9 mil full strength 70% Kynar 500
fluorocarbon (Polyvinylidene Fluoride PVF2) coating over a urethane primer of. 2 to .3 mil on the finish side, with
primer and a wash coat on the reverse, on steel with just a wash coat on aluminum. Face film thickness 1.0 mil + .2 mil.
2.05.1 FILM THICKNESS
Topside Finish: Primer shall be .2-.3 mil. Kynar 500 top coat shall be .8 - .9 mil. Reverse side finish shall be .2 - .3 mil primer
with a wash coat. Total dry film thickness for the coating system shall be 1.00 mil nominal. All measurements per NCCA
Technical Bulletin II-4 or ASTM D1005-84.
2.05.2 SPECULAR GLOSS
As determined per ASTM D523-85 at a glossmeter angle of 60 degrees. 10% maximum specular reflectance.
2.05.3 HUMIDITY RESISTANCE
No blistering, cracking, peeling, loss of gloss or softening of the finish after 3000 hours aluminum 1000 hours coated steel,
of exposure at 100% humidity at 95 degrees F, per Federal Test Method Standard 141, Method 6201 or ASTM D2247-87.
2.05.4 SALT SPRAY RESISTANCE
Samples diagonally scored and subjected to 5% - at 95 degrees F, neutral salt spray per ASTM B117-85, then taped with
Scotch #610 cellophane tape: 3000 hours aluminum/1000 hours coated steel, no blistering and no loss of adhesion greater
than 1/8 from score line. (Samples taped one hour after removal form test cabinet.)
2.05.5 CHEMICAL RESISTANCE
No effect after 24 hour exposure of a 10% solution of hydrochloric acid, and 18-hour exposure to 20% sulfuric acid, per
ASTM D1308-85, including exposure to 10% muriatic acid and nitric acid fumes.
2.05.6 CHALKING RESISTANCE
No chalking greater than #8 rating, per ASTM D659-86 test procedure after a 3000-hour weatherometer test.
2.05.7 COLOR CHANGE
Finish coat color change shall not exceed 5 NBS units per ASTM D-822-86, ASTM G-23-88 and ASTM D2244-85 (South
Florida 10-years) test procedure after 3000-hour weatherometer test.
2.05.8 ABRASION RESISTANCE
Shall pass 60 liters/mil., minimum of falling sand per ASTM D968-81. Method A.
2.06.1 PERMAMETALLIC 2000 FINISH - (20 Year Warranty)
A. Metallic Copper (non-aging) comprises of a.8 to .9 mil metallic fluorocarbon full strength 70% Kynar 500 finish coating
over a layer of .3 to .5 mil full strength 70% Kynar 500 base coat. the reverse side is treated with a primer and wash
coat. Face film thickness: 1.2 mil + .2 mil.
B. Preweathered Galvalume coating comprises of a .8 to .9 mil full strength, 70% Kynar 500 fluorocarbon (Polyvinylidene
Fluoride PVF2) coating over a urethane primer of .2 to .3 mil on the finish side, with primer and a wash coat on the
reverse, on steel; with just a wash coat on aluminum. Face film thickness: 1.0 mil + .2 mil.