Product Overview
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Tnemec Series 46H-413 Hi-Build Tneme-Tar® is a high-build polyamide epoxy coal tar coating engineered to provide exceptional corrosion protection for steel and concrete in severe industrial environments. Designed for immersion service, underground applications, and aggressive chemical exposures, this heavy-duty coating delivers long-term protection in a single high-build coat or as part of a multi-coat protective coating system.
Formulated with 75% volume solids, Series 46H-413 provides outstanding resistance to moisture, chemicals, abrasion, and corrosion while protecting steel, concrete, ductile iron, and piping systems subjected to demanding service conditions. It conforms to the performance requirements of AWWA C210 (not intended for potable water contact).
Available in convenient 2-gallon and 10-gallon kits, Hi-Build Tneme-Tar is trusted by municipalities, industrial facilities, wastewater treatment plants, utilities, and contractors for long-lasting protection of critical infrastructure.
KEY FEATURES & BENEFITS
- High-build polyamide coal tar epoxy
- Easy 1 to 1 mix ratio
- Available in 2-gallon and 10-gallon kits
- Outstanding corrosion protection
- Excellent chemical and abrasion resistance
- Suitable for immersion, underground, and severe service environments
- Protects both steel and concrete substrates
- Meets AWWA C210 performance requirements (non-potable water applications)
- Can be applied as a one-coat or two-coat system
- Excellent adhesion to properly prepared steel and concrete
- Semi-gloss black finish
- 75% volume solids for maximum film build and durability
TYPICAL APPLICATIONS:
Series 46H-413 is ideal for:
- Wastewater treatment plants
- Lift stations
- Clarifiers
- Underground steel structures
- Steel tanks
- Concrete tanks
- Pipe exteriors
- Ductile iron pipe
- Secondary containment
- Chemical processing facilities
- Pump stations
- Industrial maintenance
- Marine splash and immersion areas
- Below-grade steel and concrete
RECOMMENDED SUBSTRATES:
- Carbon steel
- Concrete
- Ductile iron
- Pipe and fittings
- Properly prepared masonry
- Previously coated compatible surfaces
TECHNICAL HIGHLIGHTS:
- Generic Type: Polyamide Epoxy Coal Tar
- Finish: Semi-Gloss
- Components: Two (Part A & Part B)
- Volume Solids: 75% ±2%
- Recommended DFT: 16–20 mils (single coat) or 8–10 mils per coat (two-coat system)
- Color: Black
- VOC: 1.91 lbs./gal unthinned
CURING TIMES:
- 95°F (35°C) - To Touch: 2 hours, To Recoat (Min./Max): 3-14 hours, For Imersion: 5 days
- 85°F (29°C) - To Touch: 3 hours, To Recoat (Min./Max): 4-18 hours, For Imersion: 6 days
- 75°F (24°C) - To Touch: 4 hours, To Recoat (Min./Max): 6-28 hours, For Imersion: 7 days
- 65°F (18°C) - To Touch: 6 hours, To Recoat (Min./Max): 10-50 hours, For Imersion: 10 days
- 55°F (13°C) - To Touch: 9 hours, To Recoat (Min./Max): 16 hrs-3 days, For Imersion: 14-16 days
- 45°F (7°C) - To Touch: 18 hours, To Recoat (Min./Max): 32 hrs-4 days, For Imersion: 22-24 days
- 35°F (2°C) - To Touch: 26 hours, To Recoat (Min./Max): 44 hrs-6 days, For Imersion: 28-32 days
NUMBER OF COMPONENTS: Two - Part A and Part B
MIXING RATIO: By volume - One (Part A) to one (Part B)
POT LIFE:
- 16 hours at 35°F (2°C)
- 6 hours at 55°F (13°C)
- 2 hours at 75°F (24°C)
- 3/4 hour at 95°F (35°C)
COVERAGE RATES:
Conventional Build:
- Suggested: 69 sq Ft/Gal
- Minimum: 75 sq Ft/Gal
- Maximum: 59 sq Ft/Gal
Two Coat System (per coat):
- Suggested: 134 sq Ft/Gal
- Minimum: 150 sq Ft/Gal
- Maximum: 120 sq Ft/Gal
MIXING: Power mix contents of each container, making sure no pigment remains on the bottom. Pour a measured amount of Part B into a clean container large enough to hold both components. Add an equal volume of Part A to Part B while under agitation. Continue agitation until the two components are thoroughly mixed. Do not use mixed material beyond pot life limits. Note: Both components should be above 50°F (10°C) prior to mixing. For application to surfaces between 35°F to 50°F (2°C to 10°C), allow mixed material to stand thirty (30) minutes and restir before using. For optimum application properties, the material temperature should be above 60°F (16°C).
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