Density gradient tube method direct reading type specific gravity measuring device
Shibayama Scientific Instruments Manufacturing Co., Ltd.
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Plastic & Rubber Manufacturing
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Pharmaceutical & Medical Use
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Textile Industry Use
About This Product
■Features
1. Measurement is stable and easy due to the density gradient tube method.
2. We use our standard density sphere, which has a proven track record of over 30 years.
3. We have a complete maintenance system that includes re-verification of standard density spheres, periodic inspections of the device itself (with calibration certificate), etc.
4.High precision measurement (±0.0002 g/cc) is possible.
5. There is a wide range of shapes and types of samples to be measured (individuals such as films, plates, pellets, etc.).
■Applications
1. Density measurement of polymer materials
2. Density measurement of fibers (natural, chemical)
3. Density measurement of resin processed products
4. Density measurement for quality control purposes
■About density gradient liquid
A liquid in which layers of different densities form a continuous liquid column is called a gradient liquid. The liquid column consists of the heaviest density layer at the bottom and the lightest layer at the top, and the gradient is continuous.
The gradient liquid filled in the cylinder is placed in a constant temperature bath to maintain the liquid column for a long time. Float 5 to 7 standard density spheres at equal intervals in the gradient solution, then float the sample and read the position where the sample stops floating. This concept is based on JIS K-7112-1980 (density gradient tube method).
ScaleDensity Density 55 0.900 50 0.950 45 1.000Created by mixing a "light liquid" with a light density and a "heavy liquid" with a high density. If a heavy liquid is placed at the bottom of a glass cylinder and light liquids of decreasing density are placed on top of it, a liquid column with a density gradient will be created.
■About standard density sphere (glass float)
A glass bulb with a known density value and an accuracy of ±0.0002 g/cc (for A group). By floating a standard density sphere in a density gradient liquid, its density value is indicated. A certification certificate is attached to the standard density sphere. The certification certificate explains the testing method based on JIS K-0061-1992 (method for measuring the density and specific gravity of chemical products) and the calibration method of the equipment used for testing.
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Product
Density gradient tube method direct reading type specific gravity measuring device
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Handling Company
Shibayama Scientific Instruments Manufacturing Co., Ltd.
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Categories
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Usage Scenarios
Plastic & Rubber Manufacturing / Pharmaceutical & Medical Use / Textile Industry Use
1 Models of Density gradient tube method direct reading type specific gravity measuring device
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