MG Chemicals Lead Free Solder 96 Sn

• Various size spools for the avid electronics enthusiast or electronics professional
• Thickness of wire: 21 gauge, 0.032” diameter for joining small to large components
• Has superior “solder-ability” to make it easy to use
• One pound of this lead free solder yields 27% more solder in length than a lead solder
• Easily de-solders and leaves no residue when removed using a de-soldering agent
• This is a lead free solder made of 96.3% tin, 0.7% copper and 3% silver as a replacement to the standard lead and tin solder
• One year manufacturer warranty

 

	Test Method	Specification
Ag content		2.8-3.2%
*Cu content		0.3-0.7 %
*Sn content		Balance
Flux Classification	JSTD-004	REL0
Copper Mirror	IPC-TM-650 2.3.32	No removal of copper film
Silver Chromate	IPC-TM-650 2.3.33	Pass
Corrosion	IPC-TM-650 2.6.15	Pass
SIR JSTD-004,Pattern Down	IPC-TM-650 2.6.3.3	2.33 x 10 11 ohms
SIR Bellcore (Telecordia)	Bellcore GR-78-CORE 13.1.3	6.12 x 10 11 ohms
Electromigration	Bellcore GR-78-CORE 13.1.4	Pass
Post Reflow Flux Residue	TGA Analysis	55%
Acid Value	IPC-TM-650 2.3.13	190-210
Flux Residue Dryness	IPC-TM-650 2.4.47	Pass
Spitting of Flux-Cored Solder	IPC-TM-650 2.4.48	0.3%
Solder Spread	IPC-TM-650 2.4.46	130 mm2

*Cu= Silver, Sn=Cooper, Tn= Tin

Lead free/leaded solder comparison	Lead Free Solder (Sn/Ag/Cu)	Sn63/Pb37 (Leaded Solder)
Melting Point	217-221º C (422.6 - 429.8º F)	183º C (361.4º F)
Wire Diameter	0.032” (0.81 mm)	0.032” (0.81 mm)
Std. Wire Gauge	21	21
Tolerance, in.	+/- 0.002”	+/- 0.002”
Hardness, Brinell	15HB	14HB
Coefficient of Thermal Expansion	Pure Sn=23.5	24.7
Tensile Strength	4312 psi	4442 psi
Density	7.39 g/cc	8.42 g/cc
Electrical Resistivity	13.0 µohm-cm	14.5 µohm-cm
Electrical Conductivity	16.6 %IACS	11.9 %IACS
Yield Strength, psi	3724	3950
Total Elongation,%	27	48
Joint Shear Strength, at 0.1mm/min 20ºC	17	14
Creep Strength, N/mm2 at 0.1mm/min 20ºC	13.0	3.3
Creep Strength, N/mm2 at 0.1mm/min 100 C	5	1
Thermal Conductivity	58.7 W/m * K	50.9 W/m * K

 

 

Physical and Chemical Properties

Physical State: Solid	Odor: None	Solubility: Partially	Evaporation Rate: N/e
Boling Point: 1380°C	Specific Gravity: 5.9 -7.0	Vapor Pressure:1mmHg @866°C	Vapor Density:N/e	pH: N/a

 

 

Hazardous Ingredients

CAS#	Chemical Name	Percentage by weight	ACGIH TWA	Osha Pel	Osha Stel
7440-50-8	Copper	0.3 – 0.7	0.2 mg/m3	0.20 mg/m3	N/e
7440-31-5	Tin	91 - 97	2.00 mg/m3	2.00 mg/m3	N/e
7440-22-4	Silver	2.7 – 4.2	0.10 mg/m3	0.10 mg/m3	N/e

 

Hazards Identification

WHMIS Codes: n/a

NFPA Ratings: Health 1  |  Flammability 0  |  Reactivity 0

HMIS Ratings: Health 1  |  Flammability 0  |  Reactivity 0

Eyes: Fumes may cause eye irritation.

Skin: Fumes may cause skin irritation.

Inhalation: Inhalation of the fumes from this or other soldering products may cause headache, nausea, and muscular pain.

Ingestion: Ingestion of the fumes from this or other soldering products may cause headache, nausea, and muscular pain.

Chronic: Prolonged or repeated exposure due to ingestion may cause anemia, insomnia, weakness, constipation and abdominal pain.

 

Fire Fighting Measures

Autoignition Temperature: N/a

Flash Point: N/a

LEL / UEL: N/e

Extinguishing Media: Alcohol foam, carbon dioxide, or dry chemical

General Information: Closed containers may explode when exposed to fire conditions.

 

Exposure Control

Routes of entry: Eyes, ingestion, inhalation, and skin.

Ventilation: Use adequate general or local exhaust ventilation to keep airborne concentrations below exposure limits.

Personal Protection: Wear appropriate protective eyeglasses or chemical safety goggles. Wear appropriate protective clothing to prevent skin contact. Use a NIOSH approved respirator when necessary.

 

Stability and Reactivity

Stability: Stable under ordinary use and storage conditions.

Incompatibilities: Strong acids and strong oxidizers should be avoided.

Polymerization: Will not occur under normal use and storage conditions.

Decomposition: May emit fumes of carbon monoxide and carbon dioxide.

 

PART #	DESCRIPTION	SIZES	PRICE
MGC-4900-35G	Pocket pack (box of 25)	35g (0.7 oz) x 25
MGC-4900-112G	Spool	1/4 lb (113 g)
MGC-4900-227G	Spool	1/2 lb (227 g)
MGC-4900-454G	Spool	1 lb (454 g)

MANUALS -

• Material Safety Data Sheet - PDF
• Lead Free Solder Application Guide - PDF
• RoSH Compliant Letter - PDF
• What is RoSH - PDF

 

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