Applications

Dymax SpeedMask® 9-20479-B-REV-A Blue PCB Protective Maskant

Product code: SpeedMask® 9-20479-B-REV-A

Manufacturer: Dymax

Package size:

Shelf Life: 9 months

Product description

Dymax SpeedMask® 9-20479-B-REV-A Blue PCB Protective Maskant cures upon exposure to light and is designed for rapid masking of electronic components and assemblies. The mask is easily removable, eliminating the concern of ionic contamination or silicone left behind by other masking methods. SpeedMask resins contain no nonreactive solvents and cure upon exposure to light. Their ability to cure in seconds enables faster processing, greater output, and lower processing costs. When cured with Dymax light- curing spot lamps, focused-beam lamps, or flood lamps, they deliver optimum speed and performance for masking. Dymax lamps offer the ideal balance of UV and visible light for the fastest, deepest cures. This product is in full compliance with RoHS directives 2015/863/EU.

Features of Dymax SpeedMask® 9-20479-B-REV-A Blue PCB Protective Maskant

  • UV/Visible Light Cure
  • Compatible with Gold & Copper Pins
  • Exceptionally Thixotropic for Manual or Automated Dispensing

Applications Dymax SpeedMask® 9-20479-B-REV-A Blue PCB Protective Maskant

  • Masking for most Conformal Coating Applications
  • Masking for Wave Solder or Reflow Processes
  • Masking for Parylene Coatings
UNCURED PROPERTIES *
Property Value Test Method
Solvent Content No Nonreactive Solvents N/A
Chemical Class Acrylated Urethane N/A
Appearance Blue Translucent Gel N/A
Soluble in Organic Solvents N/A
Density, g/ml 1.13 g/ml ASTM D1875
Viscosity, cP 115,000 (nominal) DSTM 502‡
Shelf Life at Recommended Conditions from Date of Manufacture  

9 months

 

N/A

CURED MECHANICAL PROPERTIES *
Property Value Test Method
Durometer Hardness A75 ASTM D2240
Tensile at Break, MPa [psi] 3.37 [490] ASTM D638
Elongation at Break, % 140 ASTM D638
Modulus of Elasticity, MPa [psi] 4.13 [600] ASTM D638
Glass Transition Tg, °C 18 ASTM D5418
Surface Insulation Resistance (SIR) Testing Pass IPC-TM-650

Method 2.6.7

OTHER CURED PROPERTIES *
Property Value Test Method
Boiling Water Absorption, % (2 hr) 6 ASTM D570
Water Absorption, % (25°C, 24 hr) 6 ASTM D570
Linear Shrinkage, % 1.6 ASTM D2566

 

CURING EQUIPMENT RECOMMENDATIONS *
Process Method Spot Lamp Flood Lamp Conveyor
 

LED

Curing/Wavelength

BlueWave® MX- 150

PrimeCure® (385

nm)

BlueWave® AX- 550 PrimeCure®

(385 nm)

 

UVCS Conveyor with LED Floods

Broad Spectrum BlueWave® 200 5000-ECE or

PortaRay 400

UVCS Conveyor with Fusion F300S
ADHESION
Substrate Recommendation
Lead Frame
Ceramic
PCB
Flex
Silicon

Everwide FX244-1: High Performance for Precision Molding

FX244-1 A specialized two-part silicone rubber designed for creating high-precision molds. This material features a unique oil-bleeding property that creates a self-releasing surface, eliminating the need for external non-stick sprays during demolding.

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