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Pressure-sensitive silver paste glass powder
This series of glass is an amorphous powder whose main components are bismuth oxide, boron oxide, and zinc oxide.
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- Product Description
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I. Scope of Application
BYB075 and BYB491 glass powders are used in silver pastes for the electrodes of zinc oxide varistors, with a sintering temperature ranging from 480°C to 620°C.
2. Properties and Composition of Glass:
This series of glass is an amorphous powder whose main components are bismuth oxide, boron oxide, and zinc oxide.
3. Quality Control and Key Inspection Items
Model
Constituent components
Transition temperature ±5℃
Softening temperature ±5℃
Melting temperature ±5℃
Coefficient of thermal expansion ×10⁻⁷/℃
Granularity D50um
BYB075
Bi-B-Zn
360
430
490
100-120
3.5
BYB491
Bi-B-Zn
370
440
500
90-110
2.1
4. Appearance, Packaging, and Storage
1. Appearance: Yellow or brown powder.
2. Packaging: The inner packaging is in plastic bags; the outer packaging is either kraft paper bags or plastic drums, with each package (drum) containing 10–20 kilograms. The outer packaging shall clearly indicate the manufacturer’s name, product name, specifications and model, weight, and batch number.
3. Storage and Quality Assurance: Store at a temperature between 5°C and 30°C and relative humidity below 70%. The shelf life is two years from the date of manufacture.
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Address: Building B1-5-4, Guiyang High-tech SME Incubation Park, Shawen Town, Baiyun District, Guiyang City, Guizhou Province
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