This sealant kit features a low adhesive, non-chromate formulation designed to protect aluminum alloys and dissimilar metals from corrosion. It consists of a two-part, manganese dioxide cured polysulfide compound, providing an effective barrier against corrosion. The product is available in a liquid form and comes in black/red colors.
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Overview
PR-1773 Class B is a low adhesive, non-chromate corrosion inhibitive sealant. The material is designed for use as an effective barrier against the common causes of corrosion on aluminum alloys or between dissimilar metals. PR-1773 Class B is a two-part, manganese dioxide cured, polysulfide compound.
Specifications
Series: PR-1773
Container Size: 1 pt
Form: Liquid
Color: Black/Red (Part A/B)
Composition: >=20 to <=50% Manganese Dioxide, >=20 to <=50% Terphenyl, Hydrogenated, >=5 to <=10% Zeolites, >=5 to <=10% Polyphenyls, Quarter and Higher, Partially Hydrogenated, >=1 to <=5% Talc, >=1 to <=5% Carbon Black, >=1 to <=5% Terphenyl, >=1 to <=5% Magnesium Carbonate, >=1 to <=4.6% 1, 3-diphenylguanidine (Part A), 50 to <60% Propane, 1, 2, 3-trichloro-, Polymer with 1, 1-[methylenebis(Oxy)]bis [2-chloroethane] and Sodium Sulfide (Na2 (Sx)), Reduced (Mw >1800), 1 to <5% Titanium Dioxide, 1 to <5% Trizinc Bis(Orthophosphate), 0.1 to <1% Zinc Oxide, <0.1% Terphenyl (Part B)
Dry Time: 1/2 hr (Application), <4 hr (Tack Free)
Density: 14.69 lb/gal (Part A)
Viscosity: >21 cSt
Application Method: Extrusion Gun and Spatula
Applicable Materials: Aluminum
Shelf Life: 274 Days
Storage Temperature: 80 deg F
Relative density: 1.56 lb/gal
Flash Point: 200 deg F (Part B)
Boiling point: 680 deg F (Part A), >100 deg F (Part B)
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