Kester 70-4021-1410 Solder Paste, Zero-Halogen, No Clean, Lead Free, Sn96.5Ag3Cu.5 (SAC305), T4, 88.5 %, 500g Jar, NP505 Series

product id: 72361

Category: Electronic Production Supplies, Solder & Desolder

Manufacturer: Kester

InstruHub is a leading supplier and reseller of Kester Electronic Production Supplies, Solder & Desolder in UAE, and we ship to all major cities such as Dubai, Abu- Dhabi, Sharjah


  • High Reliability
  • Classified as type ROL0 per IPC J-STD-004B
  • Zero Halogen (none intentionally added)
  • Reliable residues in harsh modified SIR testing with forced condensation points
  • Consistent print performance to 0.55AR
  • Low QFN/BGA voiding
  • Excellent solderability across wide variety of profiles
  • Compatible with most conformal coating materials
  • Reflowable in air and nitrogen

Kester NP505-HR is a zero-halogen, lead-free, no-clean solder paste formula developed specifically for high reliability applications. NP505-HR has been formulated to have reliable residues even in harsh damp cycling SIR testing. NP505-HR can handle a wide variety of printer variables, including print speed and long idle times with a wide range of temperatures and humidities. NP505-HR is fully capable of printing and reflowing 01005 components in air reflow with minimal graping behavior. Post-soldering, the NP505-HR offers minimized defects, including head-in-pillow and QFN/BGA voiding. This paste is zero-halogen, exceeding the IPC definition for halogen-free. NP505-HR is classified as ROL0 per IPC J-STD-004B. NP505-HR is part of Kester’s high reliability product line and compatible with no-clean RF550 Rework Flux, NF372-TB Solder Flux and SELECT-10™ Selective Soldering Flux.

Alloy Sn96.5Ag3Cu.5 (SAC305)
Flux Type No Clean
Type Type 4 mesh size is recommended for standard and fine pitch applications.
Lead Free Yes
Package Type Jar
Series NP505-HR Series
Flux % 88.5%
Lead Type Lead Free
Volume 500 g
Powder Mesh Size T4
Halogen Content Zero Halogen
Package 500g Jar

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