Flextra® WD4008M is a high-performance adhesive solution formulated for demanding industrial applications. It provides superior bonding strength and long-lasting durability, particularly in automotive, aerospace, and packaging industries. This adhesive ensures reliable performance in both extreme temperatures and harsh environments, offering exceptional adhesion for long-term applications. It is ideal for industries that require strong, durable bonds under challenging conditions, making it a trusted choice for manufacturers looking for optimal bonding solutions in critical applications.

RTU Product Type: Primer, Waterborne Coating

Application Area: Extrusion Films

Compatible Substrates & Surfaces: Film, Foils, Metalized Polyester, Nylon, Polyethylene (PE), Polypropylene (PP), Polyvinylidene Chloride (PVDC)

    Enhanced TDS

    Identification & Functionality

    Applications & Uses

    Application Area
    Compatible Substrates & Surfaces
    Segment
    Typical Applications
    • Primer for PVDC and PVOH
    • Chemical Treatment of Cast Films
    • Print Primer
    • Primer for Metallizing
    • Primer for Extrusion Films
    • Primer for Heat Seal Coatings

    Properties

    Physical Properties
    ValueUnitsTest Method / Conditions
    Viscosity (at 22.7°C)30cPs-
    Specific Gravity1--
    Density8.3lbs/gal-
    Solids Content35%-
    Typical Properties
    ValueUnitsTest Method / Conditions
    Coat Weight (chemical treatment of cast films after tenting)0.3 - 0.5gsm-
    Coat Weight (chemical treatment of cast films prior to tenting)1.6 - 3.2gsm-
    Coat Weight (metallizing primer)0.8 - 2.4gsm-
    Surface Energy (nylon)min. 50dyn-
    Surface Energy (Polyethylene Terephthalate)min. 38dyn-
    Surface Energy (Polyethylene Terephthalate - chemical treatment)min. 40dyn-
    Surface Energy (Polyethylene Terephthalate - chemical treatment)min. 50dyn-
    Mix Ratio (by weight, adhesive:coreactant)100:3--
    pH7.6--
    Coat Weight (primer for extrusion)0.8 - 2.4gsm-
    Coat Weight (primer for heat seal coatings)0.8 - 2.4gsm-
    Coat Weight (primer for PVDC and PVOH)1.3 - 2.0gsm-
    Coat Weight (print primer)0.3 - 1.6gsm-
    Storage Temperaturemax. 90°F-
    Application Properties
    ValueUnitsTest Method / Conditions
    Cure Time (full)24 - 48hours-
    Pot Life with Coreactant (with coreactant)8 - 12hours-

    Packaging & Availability

    Regional Availability
    • North America

    Storage & Handling

    Shelf Life
    4 months
    Storage Conditions

    Store at temperatures below 90oF to prevent premature aging and thickening.