DYMAX 9-20515

Harmonization Code : 3910.00.00.90 | Silicones in Primary Forms; Others

DYMAX 9-20515

Main features

  • High-Visibility Red Masking
  • Ultra-Fast Light-Cured Barrier
  • Peelable Post-Process Removal

Product Description

Dymax Ultra-Fast 9-20515 Red Peelable Mask is a single-component red peelable maskant for temporary protection of printed circuit boards. UV or visible light cures the applied material before wave soldering or conformal-coating operations, forming a removable barrier over areas that must remain free of process material. The red gel provides clear application contrast, while the silicone-free reactive formulation supports controlled use in electronics manufacturing. After processing, the cured mask is peeled away, returning protected board areas for the next assembly step.

Key features

  • High-Contrast Red Application: The red gel is easy to see during dispensing and coverage checks.
  • Light-Cured Temporary Barrier: UV or visible light converts the material into a removable process mask.
  • Peelable Process Removal: The cured mask lifts after wave soldering or conformal-coating operations.

Applications / Suitable for

  • Temporary PCB masking before wave soldering
  • Temporary PCB masking before conformal coating
Product Family

DYMAX 9-20515

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Appearance
Appearance at room temperature.
Red Gel
Chemistry Type
Urethane (Meth) Acrylate
Thermal Properties
Flash Point
The flashpoint of a solvent is the lowest possible temperature at which it can vaporize to form an ignitable vapor. Flashpoint is often confused with “autoignition temperature”, which is the temperature at which a solvent ignites without an ignition source.
>93 °C
Physical Properties
Viscosity
Viscosity is a measurement of a fluid’s resistance to flow. Viscosity is commonly measured in centiPoise (cP). One cP is defined as the viscosity of water and all other viscosities are derived from this base. MPa is another common unit with a 1:1 conversion to cP. A product like honey would have a much higher viscosity -around 10,000 cPs- compared to water. As a result, honey would flow much slower out of a tipped glass than water would. The viscosity of a material can be decreased with an increase in temperature in order to better suit an application
75,000 mPa.s
Mechanical Properties
Elongation
Elongation is the process of lengthening something. It is a percentage that measures the initial, unstressed, length compared to the length of the material right before it breaks. It is commonly referred to as Ultimate Elongation or Tensile Elongation at break.
140 %
Chemical Properties
Water Absorption
18 %
Other Properties
Storage Temperature
10 - 35 °C

Additional Information

Technical properties

As-supplied / before-processing properties

As-supplied characteristics used for material and process evaluation. Numerical values are typical unless otherwise identified.

Property Value Unit Method / condition
Component count One-part - As supplied
Formulation Reactive solids system - As supplied
Appearance Red gel - As supplied
Silicone content Silicone-free - As supplied
Cure mechanism UV/visible light - After application to the PCB

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