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Kester Solder 63 / 37, 1 lb spool, 0.031" diameter

Kester Solder 63 / 37, 1 lb spool, 0.031" diameter

Regular price ₱2,700.00 PHP
Regular price Sale price ₱2,700.00 PHP
Sale Sold out

Kester 44 Rosin Flux is an activated rosin formula for use in flux-cored solder wire. Kester 44 Rosin Flux has virtually dominated the field of activated rosin core solders for well over four decades. An outstanding performance feature of this flux is the “instant-action” wetting behavior. The high mobility and fast-spreading action of this flux results in more reliable production line soldering.

(63/37 Rosin Core) - ..031" Diameter, 1 lb Spool, contains lead alloy.



  • Classified as ROM1 per J-STD-004
  • Excellent solderability to a wide variety of metallizations
  • High activity RA formulation
  • Industry standard RA cored wire for decades



  • Alloy: Sn63 Pb37
  • Core Type: 3.3% Flux (66)
  • Diameter: 0.031
  • Flux Designator: ROM1
  • Flux Formula: 44
  • Flux Type: Rosin, Activated (RA)
  • Melting Range (°F / °C): 361°F / 183°C
  • RoHS Info: Contains Lead
  • Weight (lb): 1


We ship via Lalamove within Metro Manila or nearby cities. We ship via LBC, J&T, YTO, 2GO nationwide. You may select the courier upon checkout.

Care Instructions

Bring your guitar only to certified Guitar Pusher techs or to certified tech partners nationwide. Damage due to uncertified techs will not be honored for warranty claim.

When returning items, it should be in brand new condition without any modifications, complete with all accessories and attachments.

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  • Free Shipping

    We offer free shipping for total bill of P10,000 and above within Metro Manila and P25,000 and above for provincial shipments.

  • Hassle-Free Exchanges

    We accept 7-days exchange warranty for any factory defect. Just visit the branch where you bought the item, or send us a message in our Facebook page to schedule the exchange. Items must be in brand new condition.