Ku Ping Enterprise Co., Ltd.

Our rosin core solders, made from a special com-bination of materials according to the RS method, offer exceptional level of effectiveness and reliability.

Features
 1. Adheres to many materials, appropriate for all forms of soldering
 2. Non-corrosive, no unpleasant odor
 3. Transparent rosin residue for shiny solder spots
 4. Excellent wetting
 5. Soldering can be accoplished Faster, saving　time and labor

Specification

composition%	Sn/Pb 63/37	Sn/Pb 60/40	Sn/Pb 50/50	Sn/Pb 45/55	Sn/Pb 40/60	Sn/Pb 30/70
melting point℃	183℃	183~190℃	183~215℃	183~227℃	183~238℃	183~258℃
specific gravity	8.4	8.5	8.87	9.06	9.28	9.7
diameter mm  or inch	3.0(.114")     2.0(.079")     1.2(.047")   0.8(.032") 　　　　　　　　 2.5(.098")     1.6(.063")     1.0(.04")     0.5(.02")     0.3(.0114")
package	0.1KG     0.2KG     0.25KG     0.5KG     1KG     2GK     5KG     10GK

Classification

Item	Content  of flux (Wt%)	TYPE	Content  of (Wt%)	Corrosion  on Copper Plate	Aqueous solution resistant (Ω cm)	Insulation resistant (Ω)	Direct Current Voltage (Ω)	Expansion (%)	Features
K-300	1.5~2.5	RA	0.3~0.4	passed	100,000 over	1x1012 over	1x1012 over	90	for use in general electronic devices and trolling soldering with high reliabilit