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solder replacement adhesives

30/70 (70Pb-30Sn) Solder- ASTM B 32 Grade Sn30A, UNS L54820
Categories: Metal; Nonferrous Metal; Lead Alloy; Solder/Braze Alloy

Key Words: Tin Alloys; Lead Alloys
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Physical PropertiesMetricEnglishComments
Density 9.69 g/cc0.350 lb/in³
Viscosity 56700 cP
@Temperature 280 °C
56700 cP
@Temperature 536 °F
Surface Tension 470 dynes/cm
@Temperature 280 °C
470 dynes/cm
@Temperature 536 °F
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 1212
Tensile Strength, Ultimate 34.0 MPa4930 psi
Elongation at Break 18 %18 %in 50 mm
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000185 ohm-cm0.0000185 ohm-cm
 
Thermal PropertiesMetricEnglishComments
CTE, linear 25.6 µm/m-°C14.2 µin/in-°F
Thermal Conductivity 40.5 W/m-K281 BTU-in/hr-ft²-°F
Melting Point 183 - 255 °C361 - 491 °F
Solidus 183 °C361 °F
Liquidus 255 °C491 °F
 
Component Elements PropertiesMetricEnglishComments
Aluminum, Al <= 0.0050 %<= 0.0050 %
Antimony, Sb <= 0.50 %<= 0.50 %
Bismuth, Bi <= 0.25 %<= 0.25 %
Cadmium, Cd <= 0.0010 %<= 0.0010 %
Copper, Cu <= 0.080 %<= 0.080 %
Iron, Fe <= 0.020 %<= 0.020 %
Lead, Pb 70 %70 %
Silver, Ag <= 0.015 %<= 0.015 %
Tin, Sn 29.5 - 31.5 %29.5 - 31.5 %
Zinc, Zn <= 0.0050 %<= 0.0050 %

References for this datasheet.

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MLSS30 / 12263

Solder Replacement
RoHS Compliant Adhesives for Solder Replacement
Master Bond offers RoHS compliant, electrically conductive systems to replace lead soldering. These epoxy and silicone adhesives offer low volume resistivity, low outgassing and high temperature resistance.

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