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Glass slide for valves
This series of glass is an amorphous powder whose main components are silicon dioxide, boron oxide, and alkali metal oxides.
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- Product Description
-
I. Scope of Application
This glass powder is used for sealing Kovar alloy, and its sintering temperature ranges from 820℃ to 950℃.
2. Properties and Composition of Glass:
This series of glass is an amorphous powder whose main components are silicon dioxide, boron oxide, and alkali metal oxides.
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
BYB908
Si-B-R
640
740
880
45-55
5.1
4. Appearance, Packaging, and Storage
1. Appearance: White 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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008615885000309Mr. Liu
008618885171208Mr. Liu
Address: Building B1-5-4, Guiyang High-tech SME Incubation Park, Shawen Town, Baiyun District, Guiyang City, Guizhou Province
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