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1.Scope
This specification covers the solder paste, Eco Solder Paste M705-SHF, using
lead-free solder alloy, used for wiring connection and so on, of electrical and
electronic parts.
2.Standard
2.1 Chemical composition of solder alloy (Test method : STM-9-1 )
Composition and impurities are prescribed as following tables.
Composition ( mass% )
Ag Cu Sn
3.0 ± 0. 1 0.50 ± 0.05 Balance
Impurities
less than mass% mass% or less
Pb Cd Sb Bi Zn Fe Al As
0.05 0.002 0.10 0.05 0.001 0.02 0.001 0.03
In Ni Au
0.02 0.0 1 0.005
Date of Establish or Revision Approval
Q. A . Dept. Manufacturing Dept.
Established on
M. Kitamuki Y . Kawamata
2.2 Melting temperature range and specific gravity of solder alloy
(Reference value)
Melting temperature range ℃ Specific gravity
Approx . 217 ~ 220 Approx . 7.4
2.3 Performance and standard
Items Performance ? Standard Test Method
It shall not have separated flux,
Appearance and shall be in a smooth paste STM-1
state.
Flux content (mass%) 11.5 ± 1.0 STM-5
Viscosity of solder 200 ± 30 STM-7-7
paste (Pa ?s ) (Provisional)
Grain size of powder 36 ~ 25 STM-12-4
( μm)
Chlorine content in To be established after gathering STM-27
flux (mass%) manufacturing data. (Provisional)
Copper plate Shall be passed STM-28-1
corrosion test
Insulation resistance Ordinary state 1 × 1012 or more STM-30-11
( Ω) After humidifying 1 × 1010 or more
Reflow property No unmelted solder nor black STM-34
3.Inspection Report
Inspection and test shall be carried out on each production lot about following
items ① through ④, and the Inspection Report which result is mentioned shall
be attached at the time of delivery.
① Chemical composition of solder alloy
② Viscosity of solder paste
③ Flux content
④ Chlorine content in flux
4.Packaging ? Indication
4.1 Packaging
Container : Jar
Net mass : 500g or 1 kg
4.2 Indication
The following items shall be indicated on the container with label.
① Product name
② Composition of solder alloy
③ Manufacturing date
④ Lot No.
⑤ Net mass
⑥ Validity
⑦ Patent No.
⑧ Precaution
⑨ Manufacturer's name
⑩ Product code
5.Guarantee period
The guarantee period of this product shall be three months (Provisional) from the
manufacturing date, in a refrigerator (0~10℃) when unopened as it is.
6.Precautions fo r safety
Stated in the separate documents, 「Instruction Manual」and「Material Safety
Data Sheet 」.
7.Regulations
Stated in the separate documents, 「Instruction Manual」and「Material Safety
Data Sheet 」.
8.Precautions in handling, storing, and disposing
Stated in the separate documents, 「Instruction Manual」and「Material Safety
Data Sheet 」.
9.Regarding to environmental substance
This product conforms to RoHS Directive.
However, Pb and Cd are contained as an impurity of solder alloy,
but the content is controlled to be less than 0.05% (500ppm) for Pb and
0.002% (20ppm) fo r Cd.
10.Others
① We cannot guarantee the result of use nonconforming to or unspecified in
this specification.
② You are requested not to pulge to any other company or publicize any
matter related to this specification.