Michelman® Michem ® Flex 4915 Water-based Heat Seal Coating

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Michelman® Michem ® Flex 4915 Water-based Heat Seal Coating
Categories:	Fluid; Polymer; Thermoplastic; Adhesives, Sealants, and Coatings
Material Notes:	Water-based heat seal coating for foil and paper. Michem® Flex 4915 may be applied via flexo, gravure or smooth roll coater. When possible, corona or flame treat substrates prior to priming and dry thoroughly with hot, circulating air. Recommended application weight as a heat seal coating may vary from typically 1 to 3 dry g/m2. Usage: A general purpose A-A heat seal coating for sealing aluminum foil or paper to itself. Applications (properties imparted): Heat Seal Coatings (Substrate - paper, metal). Information provided by Michelman
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Physical Properties	Original Value	Comments

Specific Gravity	0.980 - 1.00 g/cc
Solids Content	24.2 - 25.4 %	Non-Volatiles
pH	8.4 - 9.4
Brookfield Viscosity	50 - 250 cP	Spindle #2. 60 RPM.

Processing Properties	Original Value	Comments
Shelf Life	24.0 Month

Descriptive Properties
Appearance	Translucent liquid
DIN Cup Viscosity (sec)	27 - 33	DIN Cup # 4
Freeze/Thaw Stability	None: protect from freezing

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WMICHE9820 / 287415

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