Description

Wood's Alloy is a specialized low-melting-point fusible alloy, also known commercially as Wood's Metal. This product is valued for its precise and reliable melting behavior, making it an essential material for temperature-sensitive control and safety applications. It is primarily utilized in industries such as electronics manufacturing, fire safety systems, and precision casting where controlled phase change is critical.

Application

• Fusible Links and Fire Sprinklers: Core component in thermal fuses and fire suppression system actuators that melt at a predetermined temperature to trigger safety mechanisms.
• Pattern Making and Metal Casting: Used as a low-melting-point pattern material in investment casting and as a filler metal in specialized joining processes.
• Temperature Control Devices: Employed in thermal switches, circuit breakers, and overload protectors for electrical equipment.
• Laboratory and Research: Serves as a constant-temperature bath medium and a sealing alloy for apparatus requiring a hermetic, low-melting seal.
• Bending and Forming Tubes: Used as a temporary, removable internal support mandrel for bending thin-walled metal tubes without deformation.
• Specialty Soldering: Applied in step-soldering processes or for soldering heat-sensitive components where standard solder temperatures are too high.

Basic Information

Product Name	Wood's Alloy
CAS No.	76093-98-6
Molecular Formula	Typically Bi-Pb-Sn-Cd alloy
Molecular Weight	N/A (Alloy)
Synonyms	Wood's Metal; Lipowitz's Alloy; Fusible Alloy 158; Low Melting Point Alloy; Bismuth-Lead-Tin-Cadmium Eutectic; Cerrobend; Cerrobase; Safety Fuse Alloy
EINECS	Contact for details

Quality Control

Our Wood's Alloy is manufactured under strict process controls to ensure batch-to-batch consistency in composition and melting point. Each lot is tested to confirm its eutectic properties and freedom from significant impurities. A Certificate of Analysis (COA) detailing composition, melting range, and density is provided to guarantee it meets the technical requirements for precision applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Silvery metallic solid
Identification (Composition)	Eutectic alloy of Bi, Pb, Sn, Cd
Melting Point	~70°C (158°F)
Density	~9.7 g/cm³
Assay (Metallic Purity)	> 99.5%
Lead (Pb) Content	~25%
Cadmium (Cd) Content	~12.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.