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GB/T 31860-2015Magnesium fluoride for coating film use (English PDF)

镀膜用氟化镁

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 3, 2015

Implementation date

February 1, 2016

Scope

GB/T 31860-2015 is the English-translated version of 镀膜用氟化镁.

GB/T 31860-2015 is the Chinese standard "Magnesium fluoride for coating film use". Its scope clause reads: This standard specifies requirements for coated with magnesium fluoride, test methods, inspection rules, marking, labeling, packaging, transportation and storage.

This standard applies to coating with magnesium fluoride. The major products for a variety of optical coatings, photochromic security with inking, special glass.

Its clauses include terms and definitions; formula and relative molecular mass; requirements.

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Document preview — GB/T 31860-2015

National Standard of the People's Republic of China

ICS: 71.060.50
Classification: G 12

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 Normative references
3 Terms and Definitions
4 formula and relative molecular mass
5 Requirements

1 Scope

This standard specifies requirements for coated with magnesium fluoride, test methods, inspection rules, marking, labeling, packaging, transportation and storage.

This standard applies to coating with magnesium fluoride. The major products for a variety of optical coatings, photochromic security with inking, special glass.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 191-2008 Packaging - Pictorial signs

GB/T 6678 General Principles for Sampling Chemical Products

GB/T 6679 General rules for sampling solid chemical products

Laboratory use specifications and test methods GB/T 6682-2008 Analysis

GB/T 8170 repair numerical representation about rules and limit values and judgment

GB/T 11164 vacuum coating equipment General technical conditions

HG/T 3696.2 inorganic chemical products, chemical analysis standard solution, Preparations Part 2. impurity standard solution

Preparation liquid

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Collapse point splash

Vacuum evaporation coating process of coating on the substrate to produce a spherical coating defects.

4 formula and relative molecular mass

Formula. MgF2

Molecular Weight. 62.30 (according to 2013 international relative atomic mass)

5 Requirements

5.1 Appearance

colorless, transparent crystalline particles.

5.2

coated with magnesium fluoride test methods specified in this standard shall comply with Table 1 by detecting the technical requirements.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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