Hilti CP 660, Instructions For Use Manual, Page: 4 / 64

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Firestop Foam CP660
Instructions for use
Firestop Foam CP660 is approved as a permanent firestop seal for indoor applications. The foam can be
used to form a firestop seal around cables, cable trays, combustible/non-combustible pipes passing through
medium-sized openings in fire compartment walls and ceilings.
The approval must be observed. For industrial use only. The Approval and the technical data sheet can be
obtained via your local Hilti contact. Store in unopened container in a dry place.
Read these instructions and safety precautions before using the product.
Expiry date: See date printed on the manifold (DD/MM/YY). Use of the foil pack after this date is not permissible!
Transport and storage: Store in a cool, dry, dark place at a temperature of +5 °C to +25 °C/+41 °F to +77 °F.
Foil pack temperature: Must be between +10 °C and +35 °C/+50 °F and +97 °F during application.
Base material temperature: Must be between 0 °C and +40 °C/32 °F and +104 °F during application.
Installation instructions: The operations to be carried out are illustrated in pictograms 1 – 7 /
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1 Clean the opening to be sealed. The material around the opening must be dry, in sound condition and
free from dust or grease.
2 Check the foil pack holder for damage and ensure that it functions correctly. Slide the foil pack into the
holder. Caution: Never use damaged foil packs and/or damaged or badly soiled foil pack holders.
Remove the cap. Screw the mixing nozzle all the way onto the foil pack and tighten it securely. Check
that the black mixing element is in place inside the nozzle! Do not use damaged mixing nozzles. Do not,
under any circumstances, modify or tamper with the mixing nozzle. The foil pack should only be used
together with the mixing nozzle supplied. A new mixing nozzle must be used with each new foil pack.
Insert the holder containing the foil pack into the dispenser: Press the release button on the dispenser,
pull the piston rod back as far as it will go and then insert the holder containing the foil pack into the
dispenser.
3 The foil pack opens automatically when dispensing begins. Never pierce a hole in the foil pack! This will
cause the system to malfunction.
Discard the unevenly mixed initial quantity: The foam dispensed by the first stroke of the dispenser must
be discarded, e.g. in the empty outer packaging material.
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Apply the firestop foam in the opening to be sealed. The mixed components of the foam react and begin
to expand approx. 30 seconds after application (at 23 °C). Fill the opening completely with firestop
foam, including gaps between individual cables, etc.
-NOTE–
It is generally best to begin in the middle of the opening, building up the foam by working from bottom
to top. In openings with access from only one side, begin at the rear and work toward the front. The
foam will harden in the mixing nozzle during pauses (i.e. >1 minute at 23 °C; >20 seconds at 35 °C).
The mixing nozzle must then be changed. Release the pressure from the piston rod before changing the
mixing nozzle. Use formwork made from an air-permeable material (e.g. perforated cardboard) when
filling openings in ceilings.
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Printed: 03.12.2018 | Doc-Nr: PUB / 5167834 / 000 / 07