ASTM-C912:2008 Edition

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C912-93(2008) Standard Practice for Designing a Process for Cleaning Technical Glasses

Published By	Publication Date	Number of Pages
ASTM	2008	6

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Categories: 81.040.01 - Glass in general, ASTM

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Description

ASTM C912-93-Reapproved2008

Historical Standard: Standard Practice for Designing a Process for Cleaning Technical Glasses

ASTM C912

Scope

1.1 This practice covers information that will permit design of a rational cleaning procedure that can be used with a glass that is somewhat soluble in many aqueous chemical solutions. Typically, this type of glass is used in applications such as optical ware, glass-to-metal seals, low dielectric loss products, glass fibers, infrared transmitting products, and products resistant to metallic vapors.

1.2 In most cases, this type of glass contains high concentrations of oxides that tend to react with a number of aqueous chemicals. Such oxides include B₂O₃, Al₂O₃, R₂O, RO, La₂O₃, ZnO, PbO, P₂O₅, and Fe₂O₃. The more conventional high-silica glasses are usually more chemically resistant, but the cleaning principles outlined here also apply to them.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 4 and Table 1.

Keywords

cleaning; glass; solubility; solvents; technical

ICS Code

ICS Number Code 81.040.01 (Glass in general)

DOI: 10.1520/C0912-93R08

PDF Catalog

PDF Pages	PDF Title
1	Scope Terminology Significance and Use Hazards Aqueous Solvents
2	TABLE 1
3	Detergents TABLE 2
4	Nonaqueous Solvents TABLE 3 TABLE 4
5	Physical Methods FIG. 1
6	Designing a Cleaning Process Keywords FIG. 2

Additional information

Standard Title	C912-93(2008) Standard Practice for Designing a Process for Cleaning Technical Glasses
Published Code	ASTM
Publication Date	2008
Pages Count	6
ICS Codes	81.040.01 - Glass in general