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SpeedMask 9-20479-B-REV-A Prostech Vietnam

SpeedMask 9-20479-B-REV-A

  • Product code: 9-20474-B-REV-A
  • Manufacturer: Dymax
  • Package size: 30 mL Syringe
  • Shelf Life: 6 months

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SpeedMask 9-20474-B-REV-A is a blue masking material that cures upon exposure to UV/Visible 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. Dymax SpeedMask materials contain no nonreactive solvents. This peelable mask is designed for rapid masking of electronic components and assemblies to protect from reflow or wave soldering operations, and shield keep-out areas during conformal coating applications. 9-20479-B-REV-A is exceptionally thixotropic for manual or automated dispensing on boards or components that may be difficult to mask with other methods.

FEATURES:

  • UV/Visible Light Cure
  • Compatible with Gold and Copper Pins
  • Exceptionally Thixotrophic for Manual of Automated Dispensing
  • Solvent Free
  • Blue Color for easy visual inspection
  • Halogen free
  • Silicone free

APPLICATIONS:

  • Masking for conformal coating application
  • Masking for wave solder or reflow processes

 

 

 

 

Uncured properties
PropertyValueTest Method
Solvent contentNo nonreactive solventsN/A
Chemical classAcrylated urethaneN/A
AppearanceBlue translucent gelN/A
Soluble inOrganic solventsN/A
Density, g/ml1.13 g/mlASTM D1875
Viscosity, cP (20 rpm)115000DSTM502

 

Cured mechanical properties
PropertyValueTest Method
Durometer hardnessA75ASTM D2240
Tensile at break, MP a [psi]3.37 [490]ASTM D638
Elongation at breat, %140ASTM D638
Modulus of Elasticity, MPa [psi] 4.13 [600]ASTM D638

 

Other cured properties
PropertyValueTest method
Boiling water absorption, % (2 hr)6ASTM D570
Water Absorption, % (25° C, 24 hr)6ASTM D570
Linear Shrinkage, %1.6ASTM D2566

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