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YBB 00132004-2015 PDF English
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YBB 00132004-2015
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Borosilicate Glass Barrels for Pen-injectors
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YBB 00132004-2015
Related standards:
YBB 00132004-2015
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YBB 00132004-2015: PDF in English
YBB00132004-2015 YBB Borosilicate Glass Barrels for Pen-injectors This Standard applies to borosilicate glass barrels for pen-injectors containing injection fluids. [Appearance] TAKE appropriate amount of this product; in the light of natural light, visually INSPECT from front. It shall be colorless and transparent; the surface shall be clean and smooth, and there shall be no obvious glass defects; no cracks are allowed on any part. [Identification]* (1) Coefficient of linear thermal expansion. TAKE appropriate amount of this product, DETERMINE according to Tests for Coefficient of Mean Linear Thermal Expansion (YBB00202003-2015) or Tests for Coefficient of Linear Thermal Expansion (YBB00212003-2015). The coefficient of linear thermal expansion of middle borosilicate glass shall be (3.5 to 6.1) × 10-6 K-1 (20 ~ 300 °C); the coefficient of linear thermal expansion of high borosilicate glass shall be (3.2 ~ 3.4) ×10-6 K-1 (20 ~ 300 °C). (2) Content of boron oxide. TAKE appropriate amount of this product, DETERMINE according to Determination of Boron Oxide (YBB00232003-2015). The content of boron oxide in middle borosilicate glass shall not be less than 8 %; the content of boron oxide in high borosilicate glass shall not be less than 12 %. [Sealing surface] TAKE appropriate amount of this product, visually INSPECT, the sealing surface of glass barrels shall be smooth and free of corrugations or
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Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.