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FreKote FMS Mould Sealer (1lts)

£37.00

How To Order

Features

  • Fast Curing
  • Seals “green” molds and repaired areas
  • Eliminates porosity/micro-porosity
  • High gloss finish
  • Easy application

Product Description

Description
Loctite® Frekote® Mold Sealer (FMS) is formulated specifically as a sealer for fiberglass reinforced polyester, epoxy and other composite molds commonly used in the fiberglass molding
industry. This sealer must be used when using green or new molds as well as when sealing older molds with micro-porosity and other slight surface imperfections.

Features
Fast Curing
Seals “green” molds and repaired areas
Eliminates porosity/micro-porosity
High gloss finish
Easy application

Properties
Appearance                   Clear liquid
Odor                               Hydrocarbon
Solvents                         Dibutyl Ether/Aliphatic Naphtha
Specific Gravity            0.762 +/- 0.015
Special Cautions           Moisture sensitive, keep container tightly closed when not in use.
Application Temp        13ºC – 35ºC (55°F -90°F)
Shelf Life                        One year from date of manufacture

Mold Preparation
The mold surface must be dry, clean and free of any release agent or other contaminants for the sealer to be completely effective. Remove any contaminants with Frekote PMC or other
suitable cleaning solvents. Full curing of green/new molds is highly recommended to ensure optimal performance of the sealer. Always follow your tooling supplier’s guidelines for
proper curing of new molds.

Application *Consult MSDS prior to use*
FMS should be applied at room temperature (less than 35°C or 95°F) by wiping on with a clean, lint-free, cotton cloth.
1. Soak cloth with FMS until it is wet, but not dripping. Wipe
on a smooth, wet film over a 2’ x 2’ to 2’ x 3’ area of the
mold surface. Do not over apply.
2. Wait 15-20 seconds at 21ºC (70°F) after application. Gently
wipe dry starting from the outside of the wet area, and
working inward with a second clean and dry, cotton cloth.

Note: Changes in temperature will affect solvent dry time. At temperatures below 18ºC (65°F), waiting time between wiping on and drying off can be slightly longer than 20 seconds. At
higher then normal temperatures (greater then 35ºC or 95°F) the wait time is significantly reduced and can be as quick as 1-2 seconds. In these conditions it is also advisable to reduce your wipe area to 1’ x 1’ in order to eliminate streaking due to the increased solvent evaporation and polymer cure times. A general guideline is to wait until the edges of the wiped area begins to creep inwards indicating that evaporation has just begun. Wipe from the outside and slowly work your way towards the center. Light hand pressure is all that is needed. No hard rubbing is required. Change cloth frequently to ensure proper drying of the mold. On small molds, allow up to 15 minutes between coats. If one coat takes more than 15 minutes, simply go back to starting point and begin to apply next coat.
3. Coat the entire mold surface overlapping the last area coated. Green molds will need a minimum of three coats and fully cured molds (not green) require 1-2 coats for proper sealing.
4. Once the final coat is applied, the coating should be cured at room temperature for 15-20 minutes.
5. The mold must now be coated with the designated Frekote release agent.
For example:
For a gloss finish use Frekote SOLO, WOLO or FRPNC.
For a matte finish use Frekote 44-NC.
For a lay-up without gel coat, use Frekote 770-NC.
Refer to the appropriate technical data sheet for further instructions.

Flammability/Storage
Frekote FMS contains flammable solvents. The product should
always be used in well-ventilated areas. Store in a cool, dry
place. Consult MSDS for complete details.

 

Data Sheets

Material Safety Data Sheet (MSDS)
Material Safety Data Sheet (MSDS)
Technical Data Sheet (TDS)
Technical Data Sheet (TDS)

 

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