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Function: Photoinitiator
End Uses: Top Coat
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TypeDocument Name
Technical Data Sheet
ADDITOL® CPK Technical Data Sheet (EN)
ADDITOL® CPK Technical Data Sheet (EN)
Technical Data Sheet

Knowde Enhanced TDS

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Identification & Functionality

ADDITOL® CPK Features & Benefits

Performance Highlights

ADDITOL CPK is characterized by:

• Good solubility

UV curable formulated products containing ADDITOL CPK are characterized by:

• Good surface and through cure

• Low yellowing on cure and with exterior exposure

The final properties of UV cured products also depend on the selection of other components such as oligomers, reactive diluents and additives.

Applications & Uses

Suggested Applications

ADDITOL CPK is typically used at levels of 1-5% by weight based on the reactive components of the formulation. Applications include:
• Paper upgrading
• Wood top-coats
• Hard-coats for plastics
• Overprint varnishes
• Vinyl flooring
• Metal coatings
• Exterior applications
• General coating applications where low yellowing is critical
• Inks and pigmented coatings (in combination with other


White crystalline

Packaging & Availability

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Storage & Handling

Storage and Handling

Store the material in a dry area out of direct sunlight. Prevent exposure to any UV or visible light. Keep containers closed and protect from physical damage. On extended storage, ADDITOL CPK crystalline powder may agglomerate to form solidified lumps. These can be physically broken-up into smaller pieces as needed for use. Such agglomeration does not affect product quality, though lumps of ADDITOL CPK will take longer to dissolve into solution.