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Kiwo Hardener HP

Description:

HARDENER HP is a chemical hardener used to increase the water resistance of photoemulsions like KIWOCOL 3, 16, 31, 221. Depending on the chemical structure of the emulsion, HARDENER HP may produce a very water resistant stencil. See Technical Data Sheet for each emulsion.

Apply HARDENER HP generously with a brush or rag to both sides of the imaged, dry screen. Allow for the hardener to react a few minutes. This will allow for the hardener to evaporate from the open areas of the screen and for the emulsion to absorb the hardener.

Drying at elevated temperatures will result in "heat setting" that will increase water resistance. A high "setting temperature" and long "setting time", will produce higher water resistance.

Recommended drying/thermosetting:

1 hour at 100° Fahrenheit / 40° Celsius

24 hours at 68° Fahrenheit or room temperature

Hardener residue in the open areas of the screen can be removed with solvents or will open up after a few prints.

HARDENER HP can also be used on the majority of KIWO emulsions. Good results have been achieved with KIWOCOL 3, 13S, 16, 221, Poly-Plus S.

Color: Blue
Consistency: Liquid
Shelflife: 1 year at 68 degrees
Fahrenheit (20 degrees Celsius)
Flash point: Not applicable
TLV: N/A
VOC: N/A
HMIS rating: Health - 1
Flammability - 0
Reactivity - 0

It is recommended to wear protective glasses and gloves. See Material Safety Data Sheet for additional information.

HARDENER HP solutions can be eliminated through biological decomposition in adapted waste water treatment plants. The working solution can generally be emptied into the drains. Consult local authorities for local regulations.

1 quart, 1 gallon, 5 gallon containers, 32 gallon drums

For additional product information, please visit www.kiwo.com or call PCS at (919) 266-4463.

Version 8/98