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| Elastuff 120 Mastic |
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100% Solids Polyurethane Mastic
ELASTUFF 120 MASTIC is a two-component, 100% solids polyurethane elastomer in a highbuild, mastic consistency. This system provides a limited workable pot life, and therefore does not require specialized application equipment. ELASTUFF 120 MASTIC is manufactured in trowel-grade and brush/roller-grade versions for vertical and horizontal applications requiring either heavy or light film builds. ELASTUFF 120 MASTIC is a highly crosslinked polymer coating which yields a dense, slick finish. The non-porous nature and excellent hydrolytic stability, coupled with resistance to cathodic disbondment, make ELASTUFF 120 MASTIC an excellent barrier to moisture and corrosion. Designed to protect surfaces subjected to abrasion in aqueous solutions or environments, ELASTUFF 120 MASTIC can be used in potable water, salt water, various slurry systems, and numerous acid and base solutions. The high tensile strength of ELASTUFF 120 MASTIC contributes to its resistance to abrasion and tearing. This toughness, combined with its high elongation properties, results in outstanding flexibility and impact resistance.
ELASTUFF 120 MASTIC is used as a sealant, caulk, filler, bonding agent and finish where hydrophobic, abrasion and chemical resistance properties are required. It is used over sealed concrete and primed metal surfaces, and also has excellent adhesion to high density polyethylene (HDPE) products when applied in conjunction with a heat treated surface. Typical applications utilizing ELASTUFF 120 MASTIC include interior tank lining, waste/water containment, flumes, reservoirs, valves, interior pipe, and other areas subjected to aqueous environments. ELASTUFF 120 MASTIC is non-toxic can also be used in applications associated with potable water containment. It has been tested and approved for classification to ANSI/NSF Standard 61. |
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Mixing Ratio: 1 part A to 1 Part B by volume (1A:1B)
Flash Point: Part A > 200'F (93'C) , Part B > 200'F (93'C)
Dry Time to Touch: @ 75'F, 50% R.H.
Cure Time: @ 75'F, 50% R.H. 90% after 24 hours
Mixed Usable Pot Life: Trowel grade ?20 minutes @ 75'F (24'C) , Brush/roller grade ?30 minutes @ 75'F (24'C)
Water Absorption:Less than 1% weight gain after 7 days
Tensile Strength:1300 psi (?00)
Elongation: 150% (?0)
Tear Strength:200 lb/in. (?0)
Hardness: 30 - 40 Shore D @ 75'F (24'C) , 40 - 50 Shore D @ 35'F (2'C)
Abrasion Resistance:20 - 30 mg weight loss with CS-17 wheel:50 - 70 mg weights loss with H-10 wheel using 1000 gm weight at 1000 revolutions
Low Temperature Flexibility:Passes ?inch mandrel bend @ -4'F (-20'C)
Low Temperature Impact Resistance: Passes 160 inch pound direct @ -4F (-20'C) |
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