3M 32661 Heavy Duty Performance Coating

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3M 32661 Heavy Duty Performance Coating - Part B
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	3M™ HD (Heavy Duty) Performance Coating is 100% solids elastomeric lining especially developed for high abrasion and tear resistance with thick build up characteristics. It has good durability and adhesion to metal, fiberglass, aluminum, wood (plywood, OSB, etc.), concrete and masonry. It is a two component 1:1 by volume system with adhesion enhancement chemical complexes. The protective coating can be applied up to 500 mil thick and offers an ultra-fast cure that speeds production in an OEM setting. This aromatic formulation displays excellent chemical and environmental resistance while reducing the moisture problem that causes bubbling. It also offers high elongation and flexibility the produces high impact resistance. Neutral Part B is a lightly yellowish/translucent color and is design to be tinted by the customer (at the customer’s own risk) to the color required. Follow the manufacture of the tinting bases recommendation for percent loading of the color tint. Information provided by 3M
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Physical Properties	Original Value	Comments

Density	1.01 - 1.05 g/cc
Solids Content	100 %
Water Absorption	<= 1.78 %	ASTM D570
Brookfield Viscosity	150 - 1250 cP	RVT Model, Spindle #3 @ 20 rpm

Mechanical Properties	Original Value	Comments
Hardness, Shore D	54 - 60	ASTM D2240
Tensile Strength at Break	12.4 - 15.2 MPa	ASTM 638-01
Elongation at Break	93 %	ASTM 638-01
Tear Strength	50.9 - 59.8 kg(f)/cm	ASTM D624
Taber Abrasion, mg/1000 Cycles	35 - 40	ASTM D40695
Tangent Modulus	16000 - 18000 psi	Tangent; ASTM 638-01

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	93.0 °C
Minimum Service Temperature, Air	-29.0 °C
Flash Point	93.0 °C

Processing Properties	Original Value	Comments
Cure Time	60.0 - 120 min	light use
	1440 min	heavy duty use
Shelf Life	12.0 Month @Temperature 21.0 - 32.0 °C

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PMM34310 / 169057

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