Kiilto FP hardener is an organic hardener used in conjunction with Kiilto Fireproof 10 adhesive. Hardener accelerates through curing of the adhesive joint. We recommend using automatic mixing equipment when mixing Kiilto FP Hardener with Kiilto Fireproof 10 adhesive. See Kiilto Fireproof 10 technical data sheet for suitable applications.

Package Size Product Code
Kiilto FP hardener 20 l T2364.020

Low viscous liquid

Density/specific weight

approx. 1.1 kg/dm³


Mixture 11.3



Mixing ratio

100:2 by weigh parts (resin:hardener)


2.4-2.5 mPas (25 °C)

Mixture viscosity

50.000 mPas

Skin time

1–3 min

Curing through

2–8 h

Package sizes

20 l


Can be stored in a tightly closed original package at +10–+25 ° in dry conditions, protected from light. Must not be stored in containers containing glass fibre. Shelf life in optimal conditions is 18 months at the minimum.

Instructions for use

Add Kiilto FP Hardener to Kiilto Fireproof 10 resin and mix properly. Follow the given mixing ratio carefully. Join the pieces together immediately after applying the adhesive. Note that the gasket material of the mixing equipment must be of EPM rubber or polytetrafluoroethylene (PTFE) (e.g. Teflon®). Other materials may swell or become brittle with time.

Additional information

The information given in this product data sheet is based on our tests and our practical knowledge. The technical data is defined in standard conditions. Variations in local working conditions and methods will affect the product performance and result. The result is strongly affected by working methods. We guarantee the high quality of our products according to our Quality Management System. No liability can be accepted from incorrect use of the product or prevailing conditions, over which we have no control. Thus, we cannot be held responsible for the final result. The user of the product must test product’s suitability to the intended application.

Environment and safety

Avoid unnecessary skin contact with and exposure to the fresh product: use safety gloves. Refer to material safety data sheet. For information on product and package disposal, visit

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