Series 406

Elasto-Shield

Generic Type

Aromatic Polyurethane Hybrid

Common Usage

A two-component, fast-setting, monolithic coating designed to provide a durable polyurethane lining in a single-coat, multi-pass spray application applied with plural component equipment. This high-performance coating has excellent chemical, thermal shock, and abrasion resistance. It is ideal for application to steel or concrete in water and wastewater treatment, secondary containment, and for tank linings and bottoms. Recommended for immersion service. Note: All orders are subject to approval based upon project scope, applicator qualification, and appropriate equipment configuration.

Special Qualifications

Certified by NSF International in accordance with NSF/ANSI/CAN Std. 61 and the extraction requirements of NSF/ANSI/CAN 600. Reference Tnemec’s certified product listing at www.nsf.org for additional details.

Conforms to the latest edition of AWWA D102 Inside Coating System No. 4. Contact your Tnemec representative for systems and additional information.

Conforms to AWWA C 222.

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Colors

  • WH06 Off White

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Recommended DFT

25.0 to 125.0 mils (635 to 3175 microns). Maximum of 75 mils DFT for applications in potable water. Note: Reference the NSF website at www.nsf.org for details on the maximum allowable DFT.

Surfacer/Filler/Patcher

Series 215, 218. Note: For more extensive repairs and additional information, contact your Tnemec representative or Tnemec Technical Service.

Curing Time

To Recoat (Maximum) Return to Service WH06 (NSF/ANSI/CAN Std. 61) Return to Service Non-Potable
At 95°F (35°C) 24 hours 72 hours 36 hours
At 75°F (24°C) 24 hours 72 hours 36 hours
At 35°F (2°C) 24 hours 7 days 7 days

Note: There is a seven-day return to service time for potable water immersion if Series N140 or N140F is used as a primer. This does not apply if Series 406 is applied direct or another approved primer is used.
Note: If the maximum recoat window has been exceeded, the Series 406 coated surface must be mechanically abraded and wiped with MEK prior to topcoating. Curing time varies with surface temperature, air movement, humidity and film thickness. Ventilation: When used in enclosed areas, provide adequate ventilation during application and cure.

Volume Solids

100% (mixed) †

Number of Components

Two: Part A (iso) and Part B (resin)

Volatile Organic Compounds

EPA Method 24
0 lbs/gallon (0 grams/litre) †

Primers

Concrete & CMU: Series N140, N140F, 201.
Steel: Self-priming or Series 21, 90-97, 91-H₂O, 94-H₂O, N140, N140F.
When topcoating with Series 406, the following recoat times apply:

90-97/91-H2O/94-H2O (Min/Max) 201 (Min/Max) N140 (Min/Max) N140F (Min/Max)
At 90°F (32°C) 4 hrs/14 days 4 hrs/3 days 7 hrs/7 days 4 hrs/7 days
At 75°F (24°C) 4 hrs/30 days 6 hrs/5 days 10 hrs/14 days 6 hrs/14 days
At 55°F (13°C) 4 hrs/30 days 8 hrs/7 days 24 hrs/30 days 24 hrs/30 days
At 35°F (2°C) 4 hrs/30 days N/A N/A 24 hrs/30 days

HAPS

0 lbs/gal solids

Topcoats

Series V290, 297, 1080, 1081. Note: Not for use in immersion service. Note: When topcoating with Series V290, 297, 1080, or 1081, recoat time for Series 406 is 24 hours minimum/5 days maximum.

Theoretical Coverage

1,600 mil sq ft/gal (39.3 m²/L at 25 microns) †

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