Product reference: 5/91

Product title: PlasmetUWT

Valid from: 5th July 2018

Last reviewed: July 2019


An epoxy glass flake topcoat, intended for application and cure underwater
as part of an underwater lining system.

Suggested use

Plasmet UWT is designed for use with Plasmet UWPand
Plasmet UWL as a system. It will provide cost effective,
durable protection to submerged surfaces. The system is
tolerant of water and will cure while immersed. It may be
used for structural steel, pilings, jetties, and other
immersed structures.


Immersed Temperature limit is 113°F (45ºC) as a system

Health & safety

Before handling or using this product the safety data sheet
should be read and all precautions observed.

Surface preparation

Corrocoat UWT is applied over UWL. No additional surface
preparation required.


CorrocoatUWT may be applied by trowel or divers glove in a
single coat.

Pot life

Generally 60-70 minutes at 68°F (20ºC). Pot life will vary
significantly with temperature.


The performance of this product will be adversely affected by
the use of solvent-based thinners. Under normal application
conditions it is not anticipated that any thinners will be
required with this product.


1 Gallon and 5 Gallon kits

Catalyst / hardener type

Polyamidoamine (Plasmet UWT Activator)

Storage life

2 years minimum in unopened tins, stored at 40-104°F (5-

Cleaning solvent

For best results use Corrocoat Epoxy Equipment Cleaner.

Color availability

Light Grey.
TheBase (white) and Hardener(black) should be mixed until
a uniform grey color is achieved.
NOTE: This product is formulated to give optimum corrosion
resistance. Due to the nature of the polymerization process
on this product and the speed of immersion, it is not
possible to guarantee color matching or color stability.
Some whitening of the surface may occur during the curing

Recommended DFT

Apply at 12-20 mils (300-500 microns).

Theoretical coverage rate

100sf per gal at 16 mils (2.5m2 /L at 400 microns).
NOTE: This information is given in good faith but consumption may increase dependent upon the Environmental conditions, geometry,nature of
work undertaken and the skill and care of application.

Corrocoat accepts no responsibility for any deviation from these values


Base: .04lbs/cubic inch (1.20 g/cm3
Hardener: .03lbs/cubic inch (1.05 g/cm3


>11MPa (when applied in immersed conditions and after
immersion in water.)

Cathodic disbondment

Excellent 0-1mm (when used as part of a lining system)

Salt spray

>1000 hours

Mixing ratio

2:1 parts Base to Hardener by weight / weight.