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e-coat vs. a-coat

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  • #46496

    boettler
    Member

    Can anyone provide me with a link or information where I can learn more about the a-coating process and see the difference between the a-coat and e-coat.
    Thanks in advance.
    Rob

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    #158531

    Rikki
    Member

    Autophoretic® Coatings Performance

    TEST
    AUTOPHORETIC®     915/E3 
    AUTOPHORETIC®          800 SERIES
    *ELECTROCOAT

    RESIN TYPE
    EPOXY/ACRYLIC
    PVDC
    EPOXY

    FILM THICKNESS (MILS)
    0.6 – 1.0
    0.5 – 1.0
    0.6 – 1.0

    CROSS HATCH ADHESION
    NO FAILURE
    NO FAILURE
    NO FAILURE

    GLOSS @ 60°
    40 – 80
    5-10
    30-60

    PENCIL HARDNESS
    H – 3H
    4-7H
    H-3H

    REVERSE IMPACT
    60 – 80 IN-LBS.
    120- 160 IN-LBS.                       (0.5-0.7MILS)
    40 – 80 IN-LBS. 

    MANDREL TEST (GM9503P)
    10
    10
    2

    STONE CHIP(-30° C)
    PASS
    PASS
    PASS

    HUMIDITY(1,000 HOURS)
    NO FAILURE
    NO FAILURE
    NO FAILURE

    WATER IMMERSION(240 HOURS)
    PASS
    PASS
    PASS

    GM 9540P SCRIBE(3MM MAXIMUM CREEP)
    32 – 40 cycles
    40 cycles
    32 – 40 cycles

    SAE J2334 SCRIBE(3MM MAXIMUM CREEP)
    40 cycles
    40 cycles
    40 cycles

    NEUTRAL SALT SPRAYNO SCRIBE (<10% RUST)
    1000 HOURS
    >1000 HOURS
    >1000 HOURS

    TEMPERATURE RESISTANCE
    425°F
    <250°F **
    425°F

    CURE TEMPERATURE
    365 – 395°F
    220°F
    325 – 375°F

    VOC(EPA REFERENCE METHOD 24) 
    <0.3 lbs/galHAPS Compliant
    NONE DETECTED
    <0.6 lbs/gal

    Note:  Initial Cured Film Performance on ACT Cold Rolled Steel Panels, ARP10354.  Performance on Production Parts or Other Substrates May Vary.

    * Lead-free electrocoat over Zn-phosphate, non-chrome seal rinse

    ** Temperature resistance of ACC 800 Series is dependent on exposure duration and airflow conditions.  Life cycle testing for parts that will be exposed to more than 200°F is recommended.

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