Series 252SC


Generic Type

Novolac Vinyl Ester

Common Usage

A highly chemical resistant, multi-purpose resin for fiberglass reinforced mat (65 mils) or mortar/fiberglass reinforced mat (125 mils) secondary containment systems. Protects against harsh chemicals, thermal cycling, impact and abrasion.

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Curing Time

Temperature To Topcoat Place in Service Full Cure
75°F (24°C) 6 to 24 hours 24 hours 72 hours

If more than 24 hours have elapsed between coats, the ChemBloc coated surface must be mechanically abraded before topcoating. Note: A 24 hour cure provides for traffic, secondary containment and certain mild chemical exposures. Contact your Tnemec representative or Tnemec Technical Services.

Volume Solids

Theoretical 89% (mixed). Series 252SC system contains a reactive monomer and some loss will occur during application and cure. Actual solids by volume will vary depending upon temperature and air movement. See Coverage Rates.


Series 208, 241, 251SC


Series 120-5001 or 252SC Note: A saturant coat of 252SC liquids is required over fiberglass mat prior to application of topcoat. However, when Series 206SC flexible basecoat is used, then a 237SC or 239SC saturant coat is required.

Volatile Organic Compounds

Unthinned: 0.2 lbs/gallon (23 grams/litre)

Number of Components

Resin Containment Kit (RCK)–Two: Part A (base) and Part B (catalyst)
Mortar Containment Kit (MCK)–Three: Parts A (base), B (catalyst) and C (aggregate)

Recommended DFT

Resinous Basecoat: 6.0 to 12.0 mils (150-305 microns).
Mortar/Slurry Basecoat: 60 to 80 mils.
Saturant: 8.0 to 12.0 mils (200-305 microns).
Topcoat: 4.0 to 12.0 mils (100-305 microns).

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