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Lead free solder flux

darthub

Fluxes for LF wave soldering,solid one for LF solder wires and for LF process,HASL,dip sol...

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Products Details

Fluxes for lead-free wave soldering
  

Item

HF-500

LFB-638

Test method/Standard

Appearance

Pale yellow liquid

Pale yellow liquid

/

Solid Content(%)

4.2±0.4

7.2+0.5

JIS Z3197

S.G.(20℃)

0.802±0.004

0.809±0.004

JIS Z3197

Acid Value(mgKOH/g)

19.4±1.0

33.0±2.0

IPC-TM-650

Halogen Content(%)

 Cl<900ppm 

     Cl<900ppm

BS EN 14582

Br<900ppm

 Br<900ppm

 BS EN 14582

Spread factor(%)

≥75

≥75

IPC-TM-650

Water extract resistivity(Ω.cm)

 PASS

PASS 

JIS Z3197 

Copper mirror test/plate corrosion

Pass

Pass

IPC-TM-650

Surface insulation resistance

≥108

≥108

IPC-TM-650

Joints color

Bright

Bright

/

Application

Spray Foaming

Spray Foaming

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