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Description: Solvent free, two component Urethane Mastic for the repair of small defects in pipeline coatings. Packaged in a polyethylene bag divided by a plastic clip and sealed in an aluminum foil pack.

Properties: Outstanding mechanical properties and rapid cure characteristics together with excellent adhesion to other pipeline coating materials.
Color: Beige
Volume Solids: 100%  
Mix Ratio: 3:1 by volume  
Pot Life: Approximately 5 minutes at 77¡ãF (25¡ãC)  
Approximate Hard Drying Times:
41¡ãF50¡ãF68¡ãF86¡ãF104¡ãF122¡ãF140¡ãF158¡ãF
(5¡ãC) (10¡ãC) (20¡ãC) (30¡ãC) (40¡ãC) (50¡ãC) (60¡ãC) (70¡ãC)
6 hrs 4.5 hrs 90 mins 35 mins 25 mins 15 mins 10 mins 6 mins
Shelf Life:   12 months
Surface Preparation: Remove any surface contamination such as oil, grease and dirt by detergent washing followed by fresh water rinse and drying. Remove all corrosion products from exposed metal by spot abrasive blast cleaning, angle grinder or hand abrading. Taper edges of repair area and thoroughly abrade onto sound coating.
Mixing and Application: Refer to Twin Pack mixing instructions. Spread mixed material over prepared surface using the enclosed plastic clip or a spatula.
Cleaning Solution: Acothane 380 Solvent or Xylene
Theoretical Spreading Rate: 30 in2 at 40 mil thickness (25 g Twin Pack)
(190 cm2 at 1 mm thickness)
Test Data: ¡¡
Adhesion to Bare Steel: ASTM D4541: >3000 psi (20.7 N/mm2)
Adhesion to FBE: ASTM D4541: >2700 psi (18.6 N/mm2)
Cathodic Disbondment: ASTM G95 Modified: 30 days at 73¡ãF (23¡ãC) - 1500 mV calomel electrode
70 mil (1.75 mm thickness): <5 mm
Water Resistance: ASTM D870: 30 days at 100¡ãF (38¡ãC) - No blistering (ASTM D714)
30 days at 100¡ãF (38¡ãC) - No rust thru (ASTM D610)
Water Soak: NACE RPO 394-94: 48 hours at 150¡ãF (65¡ãC)
Rating 1 - No coating could be removed
Elongation: ASTM D2370: 35%
Flexibility: NACE RPO 394-94 (Procedure B): >11¡ã per pipe diameter
Impact: ASTM 2794-69/14: 7.08 lb-ft (10 NM)
Shore D Hardness: ASTM D2240: >75
Abrasion Resistance: ASTM D4060 (CS-17 Wheel): 410 cycles/mil
Shrinkage: Negligible  
Flash Point: Base: Above 390¡ãF (200¡ãC)
Activator: Above 390¡ãF (200¡ãC)  
Health and Safety: Refer to Material Safety Data Sheet A7a  


** Information contained in this publication is accurate to the best knowledge and belief of Lonestar Specialties, LLC Any information or advice obtained from Lonestar Specialties, LLC is also given in good faith and it remains at all times the responsibility of the customer to ensure that the materials are suitable for the purpose intended. Due to a policy of continued development work, and according to the availability of raw materials, products may differ in detail from those described and are offered subject to the Company's conditions of sale.

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