FREKOTE FMS-100

Harmonization Code : 3403.19 | Lubricating Preparations (With 70% or More Petroleum Oils) For Automotive and Other Uses

FREKOTE FMS-100

Main features

  • Room-Temperature Mold-Sealer Cure
  • Microporosity-Sealing Mold Preparation
  • High-Gloss Release-Ready Surface

Product Description

LOCTITE® FREKOTE® FMS-100 is a clear, colorless, solvent-based polymeric mold sealer formulated for fiberglass-reinforced polyester, epoxy, and other composite mold surfaces. It is particularly suited to new or “green” molds with microporosity, repaired areas, and other slight surface imperfections. Applied by wiping, the room-temperature-curing sealer forms a smooth, high-gloss surface before application of a compatible mold release agent. New molds typically require one or two coats, with a minimum 15-minute interval between coats and a 20-minute final-coat cure at 20°C.

Key features

  • Composite mold sealing: Formulated for fiberglass-reinforced polyester, epoxy, and other composite mold surfaces.
  • Microporosity treatment: Seals microporosity and slight surface imperfections in new, green, or repaired molds.
  • High-gloss surface: Produces a smooth, high-gloss prepared mold surface.
  • Wipe-on application: Applied using a clean, lint-free cotton cloth.
  • High cured thermal stability: The cured sealer is documented as thermally stable at temperatures up to 400°C.

Applications / Suitable for

  • Fiberglass-reinforced polyester molds
  • Epoxy and other composite molds
  • New or green molds with microporosity
  • Repaired mold surfaces and areas with slight surface imperfections
  • Mold preparation before application of a compatible release agent
Product Family

FREKOTE FMS-100

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Color
The color
Clear Liquid
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume. For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
0.733–0.753
Thermal Properties
Temperature Resistance
Temperature resistance is the maximum temperature that the material or product can withstand for a period of time. The temperatures listed should be considered as guidelines for an operating temperature of about 30 minutes. Typically, the material can withstand much longer times at temperatures about 20°C lower and can withstand much higher temperatures for short, intermittent times.
400 ˚C

Additional Information

Technical properties

As-supplied / before-processing properties

Documented as-supplied characteristics and application conditions for LOCTITE® FREKOTE® FMS-100.

Property Value Unit Method / condition
Appearance Clear, colorless — As supplied; LMS-controlled characteristic
Chemical type Solvent-based polymer — As supplied
Odor Solvent — As supplied
Specific gravity 0.733–0.753 — At 25°C; LMS-controlled characteristic
Cure mechanism Room-temperature cure — Applied mold sealer
Application temperature 13–41 °C Recommended mold-sealer application range
Minimum time between coats 15 min Before application of the next coat
Final-coat cure time 20 min At 20°C
Technical properties

After-processing / final-state properties

Documented characteristics of the mold surface after application and curing of LOCTITE® FREKOTE® FMS-100.

Property Value Unit Method / condition
Surface finish High gloss — Cured mold-sealer surface
Surface-sealing function Seals microporosity and slight surface imperfections — New, green, or repaired composite mold surfaces
Cured thermal stability ≤400 °C Cured mold sealer; documented thermal-stability value

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