Series 1556


This product has been discontinued. Please contact your local sales representative for further assistance.

Generic Type

Modified Silicone Copolymer

Common Usage

A modified silicone copolymer topcoat formulated for color stability and substrate protection in elevated temperatures up to 1000°F (538°C). Outperforms conventional high-temperature topcoats with exceptional color stability, resistance to thermal cycling, and cure requirements. An excellent choice for topcoating high-temperature coating systems in refineries, power plants, petrochemical facilities, and treatment plants. Requires heat cure prior to placing in service.

Theoretical Coverage

722 mil sq ft/gal (67.1 m²/L at 25 microns.) See APPLICATION for coverage rates.

Volatile Organic Compounds

TBAC Exempt:
Unthinned: 3.49 lbs/gallon (419 grams/litre)
Thinned 10% (No. 80 Thinner): 3.81 lbs/gallon (457 grams/litre)
Thinned 10% (No. 81 Thinner): 3.86 lbs/gallon (462 grams/litre)
Thinned 10% (No. 82 Thinner): 3.93 lbs/gallon (471 grams/litre)
Thinned 40% (No. 83 Thinner): 5.15 lbs/gallon (617 grams/litre)
Note: This product is not compliant in air districts that do not allow TBAC exemption.


Endura-Heat Standard and Custom Colors Available. Additional lead time will be required for custom colors. Note: 10HT White must be heat cured at 500°F (260°C). Important: Due to the product's high heat exposure, sheen and color variations may occur. However, these changes are aesthetic only and will not affect performance. Contact your Tnemec representative for more information.

Curing Time

Temperature To Touch To Handle To Recoat To Place in Service
75°F (24°C) 15 minutes 1 to 2 hours 1 to 2 hours 24 hours

Important: Allow Series 1556 to ambient cure for 24 hours prior to heat cure. Reference the heat cure table below. Curing time varies with surface temperature, air movement, humidity and film thickness.

Number of Components


Volume Solids

45% ± 2%

Recommended DFT

2.0 to 3.0 mils (50 to 75 microns).




Series 1505

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