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Equipment for Quality Control and R&D+i

Minimum Film Forming Temperature (MFFT)

The Rhopoint MFFT is the industry leading instrument for measuring the minimum film forming temperature of water based materials. Definition - “MFFT is the lowest temperature at which a latex, emulsion or adhesive will uniformly coalesce when laid on a substrate as a thin film.” An accurate MFFT value allows the formulation of products that cure correctly under specified application conditions.

The Rhopoint MFFT is the industry leading instrument for measuring the minimum film forming temperature of water based materials. Definition - “MFFT is the lowest temperature at which a latex, emulsion or adhesive will uniformly coalesce when laid on a substrate as a thin film.” An accurate MFFT value allows the formulation of products that cure correctly under specified application conditions.

The Rhopoint MFFT works by holding a very accurate temperature gradient across a nickel plated copper platen. A flow of dried air across the platen stops condensation forming and gives repeatable test conditions.

Determines the MFFT of latex, emulsions and adhesives
MFFT90 measures between -5º and 90ºC
Designed to conform to ISO 2115 and ASTM 2354



Minimum Film Forming Temperature (MFFT)


MFFT is the lowest temperature at which a latex, emulsion or adhesive will uniformly coalesce when laid on a substrate as a thin film. An accurate MFFT value allows the formulation of products that cure correctly under specified application conditions.

MFFT 60 Minimum Film Forming Temperature Instrument
Measures the minimum film forming temperature of water based coatings
Determines the MFFT of latex, emulsions and adhesives

MFFT 90 Minimum Film Forming Temperature Instrument
Measures the minimum film forming temperature of water based coatings
Determines the MFFT of latex, emulsions and adhesives
-5ºC to 90ºC operation
Conforms to ISO 2115 and ASTM 2354

-5º to 60ºC operation
Conforms to ISO 2115 and ASTM 2354


Specification

Paints and Coatings
The minimum film-forming temperature (MFFT) of a paint or coating is the lowest temperature at which it will uniformly coalesce when laid on a substrate as a thin film. The standard test for determining this temperature involves using a MFFT-BAR, as specified by such standards as ASTM D 2354 and ISO 2115. The design of the Rhopoint instrument is based directly on these standards.

Adhesives
The MFFT of one-pack adhesives can be found in a similar way to paints and coatings. With two-pack adhesives, a strip of aluminium foil can be laid on the platen, to ease cleaning, before applying the adhesive. Two-pack adhesives do not show an MFFT, but the minimum cure temperature can be found by scraping the sample with a spatula

Features
Determines the MFFT of latex, emulsions and adhesives
Easy to use touch screen programme control
Nickel plated copper platen with an electronically imposed temperature gradient
Optional results printer for printing date and time stamped MFFT results
-5˚C to 90˚C operation

Technical Specification:
Dimensions: 550 × 610 × 350mm (L × W × H)
Platen dimensions: 483 × 235mm (L × W)
Weight: 38kg
Power: Mains 110–120V AC or220–240V AC
Air: 4 l min-1 @ 100 psig
Water: Mains pressure; gravity drain
Inlet temperature: Under 20°C

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Standards

ISO 2115, ASTM D2354.

Maintenance service and calibration

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