Series 431

Perma-Shield PL

Generic Type

Modified Polyamine Ceramic Epoxy

Common Usage

A 100% solids, abrasion-resistant lining specifically designed for wastewater immersion and fume environments and exposure to corrosive soils. Provides low permeation to H_2_S gas, protects against MIC and provides chemical resistance to steel, ductile iron pipe and fittings for severe wastewater or buried exposures. A coal-tar free, resin-rich formulation with low pigment volume concentration (PVC) for maximum performance.

Special Qualifications

Contains 20% ceramic microspheres for increased abrasion resistance. Compatible with high-velocity jet sewer cleaning (hydrocleaning) with 0-degree tips (Reference Technical Bulletin No. 11-86).
Meets the performance requirements of AWWA C 210 (not for potable water contact).

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Colors

  • 5024 Sewer Pipe Green

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Recommended DFT

Carbon Steel: 30.0 to 50.0 mils (762 to 1270 microns) in one or more coats.
Ductile Iron: 40 mils (1015 microns) (nominal) in one or more coats.
Note: Number of coats and thickness requirements will vary with substrate, application method and exposure. Use Series 44-721 to increase film build. Amounts vary by kit size, refer to the Series 44-721 product data sheet. Contact your Tnemec representative for more information.

Curing Time

Temperature Set to Touch Max. Recoat To Place in Service
90°F (32°C) 1-2 hours 7 days 24 hours
75°F (24°C) 2-3 hours 7 days 2 days
55°F (13°C) 8-9 hours 7 days 3 days

Note: If more than 7 days have elapsed between coats, the Series 431 coated surface must be mechanically abraded (scarified) before topcoating. Curing time will vary with surface temperature, air movement, humidity and film thickness.

Volatile Organic Compounds

EPA Method 24: 0.19 lbs/gallon (23 grams/litre)

HAPS

0.00 lbs/gal solids

Finish

Gloss

Primers

Self-priming, Series N69 or Series N140. Note: Series 431 must be applied to Series N69 or N140 within 7 days. Scarify the surface with fine abrasive before topcoating if exceeding this maximum recoat window.

Volume Solids

100% (mixed)

Theoretical Coverage

1,604 mil sq ft/gal (39.4 m²/L at 25 microns). See APPLICATION section for coverage rates.

Number of Components

Two: Part A (amine) and Part B (epoxy)

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How to Purchase

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