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| Elastuff 504 |
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Abrasion resistant polyurethane rubber
ELASTUFF 504 is a two-component, high tensile strength polyurethane elastomer coating. This unique thermosetting rubber is especially formulated to achieve outstanding abrasion resistance, superior tensile strength and excellent hydrolytic stability. ELASTUFF 504 is a highly cross-linked coating exhibiting a rapid curing property through the polymerization of isocyanate and amine-terminated reactive ingredients.
ELASTUFF 504 was specifically developed for protecting steel, concrete, and polyesters which are subject to high abrasion and impact conditions. In specific applications ELASTUFF 504 evidences a higher abrasion resistance than steel, while providing excellent release properties. Some of its more basic uses include the following: food and chemical fertilizer storage bins, chutes and conveyors, hopper beds of highway sanding trucks, earth moving buckets, industrial floors and vertical screw elevators. ELASTUFF 504 has been used extensively in the mining industry for hopper cars, conveyors, filter equipment, and slurry tanks: in the hydroelectric industry for dam gates, trash racks, hydrobins, salt water pumps, water impellers and casings: in the pulp and paper industry for sound deadening of mechanical equipment, deflector panels and ducts: and in the agricultural industry for spiral elevators, nut production sound deadening and abrasion reduction, grape crushing hoppers and collection bins. (Also refer to separate literature entitled "Elastuff Case Histories".) For specific applications, ELASTUFF 504 can be manufactured in a high durometer version, ELASTUFF 504 HD. This formulation exhibits increased tensile strength and hardness, as well as maximum release properties where required. ELASTUFF 504 can also be manufactured in a Super Slick formulation which exhibits optimum release characteristics. |
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Mixing Ratio: 31 Parts A to 1 Part B by volume (31A:1B) Furnished in pre-measured units
Mixed Usable Pot Life:1 hour at 70'F (21'C), 50% R.H.
Solids by Weight (Mixed): 48% (¡¾2)
Solids by Volume (Mixed): 43% (¡¾2)
Dry Time To Touch: 30 to 60 minutes at 75'F (24'C), 50% R.H.
Cure Time:60% cure: 12 hours , 90% cure: 72 hours
Tensile Strength: 4400 psi (¡¾200) [30.3 MPa]
Elongation:425% (¡¾50)
Tear Strength: 475 lbs. per lineal inch (¡¾25) (83.2 kN/m)
Hardness:85 to 90 Shore A
Permeance:1.29 Perms at 35 mils
1.04 Perms at 55 mils
Temperature Limits for Normal Dry Service Conditions: -80'F to 160'F (-62'C to 71'C) |
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