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AIM Solder Paste – NC257MD No Clean Solder Paste – Specially engineered for Mycronic Jet Printers, micro-BGAs.

  • Item Number: NC257MD
  • Manufacturer: AIM
  • Lead Type: Lead-Free
  • Alloys: Contact to Avantek for details.
  • Type: No Clean Solder Paste
  • Package: Contact to Avantek for details.
  • Shelf Life: Contact to Avantek for details.

1. Product Overview

NC257MD is a no-clean solder paste specifically developed for Mycronic Jet Printers. It features unique rheological properties to ensure consistent and continuous deposits, reducing paste consumption and prolonging ejector life. The solder paste provides excellent wetting, bright and shiny solder joints, and minimal voiding under BGA and BTC devices. It also leaves behind crystal-clear, low-residue flux, even at high temperatures required for lead-free alloys.

2. Applications

  • Designed for Mycronic Jet Printers with AG Type Ejectors
  • Suitable for use in vapor phase soldering
  • Reduces voiding in micro-BGA and BTC components
  • Ideal for applications requiring clear, pin-probe testable residues
  • Provides an extended tack time of 8-12 hours

3. Typical Properties – Specifications

Parameter Test Method Result
IPC Flux Classification J-STD-004 / J-STD-004B ROL0 / ROL1
Copper Mirror Test J-STD-004B 3.4.1.1 Low
Corrosion Resistance J-STD-004B 3.4.1.2 Pass
Quantitative Halides J-STD-004B 3.4.1.3 L1
Silver Chromate Test J-STD-004B 3.5.1.1 Pass
Fluoride Spot Test J-STD-004B 3.5.1.2 No Fluoride
Surface Insulation Resistance J-STD-004B 3.4.1.4 Pass
Electrochemical Migration J-STD-004B 3.4.1.5 Pass
Flux Solids (Non-volatile) J-STD-004B 3.4.2.1 86.9%
Acid Value J-STD-004B 3.4.2.2 149 mg KOH/g flux
Specific Gravity ASTM D-1298 3.39
Viscosity J-STD-005A 3.5.1 500 Kcps
Appearance J-STD-004B 3.4.2.5 Gray, smooth, creamy
Slump Test J-STD-005A 3.6 Pass
Solder Ball Test J-STD-005A 3.7 Pass
Tack Test J-STD-005A 3.8 32.8 gf
Wetting Test J-STD-005A 3.9 Pass

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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