Product Overview

Kester NP505-HR is formulated to offer flexibility across a wide variety of printer processing conditions and long idle times and broad range of temperatures and humidities.  This paste is fully capable of printing and reflowing 01005 components in air reflow while offering consistency across slow and fast print speeds to maximize process yields.

Kester NP505-HR is a zero-halogen, no-clean solder paste compatible with the industry leading high reliability Innolot alloy as well as applications requiring traditional SAC305.

Product Features

  • No-clean, zero-halogen
  • Electrically reliable residue in challenging conditions
  • Consistent print performance to 0.55AR (SAC305) and 0.57AR (Innolot) 
  • Excellent solderability across soak and ramp profiles
  • Stable paste properties with long shelf life
Technical Bulletins
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Kester NP505-HR Solder Paste Technical Bulletin English

Product Flyers
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Kester NP505-HR Solder Paste Flyer English

Offers flexibility across print processing conditions

Kester NP505-HR is a broad latitude solder paste designed to offer consistency across a wide range of component types and print conditions. This paste provides consistent transfer efficiency above 90% for area ratios above 0.55 with SAC305. This consistency in transfer efficiency is replicated at print speeds as fast as 150mm/sec making Kester NP-505HR one of the most repeatable printing pastes on the market to offer users the ultimate flexibility in manufacturing conditions.  

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