GB/T 36265-2018 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 36265-2018 | English | 150 |
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GB/T 36265-2018: Infrared Optical Glass---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT36265-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 81.040.10
Q 37
Infrared Optical Glass
红外光学玻璃
Issued on: JUNE 7, 2018
Implemented on: MAY 1, 2019
Issued by. State Administration for Market Regulation of the People’s
Republic of China;
Standardization Administration Committee of the People’s
Republic of China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Terms and Definitions ... 5
4 Classification and Naming ... 5
5 Requirements... 6
6 Test Methods ... 8
7 Inspection Rules ... 10
8 Marking, Packaging, Transportation and Storage ... 11
Appendix A (informative appendix)... 12
Appendix B (normative appendix) ... 14
Infrared Optical Glass
1 Scope
This Standard specifies the classification, naming, requirements, test methods,
inspection rules, marking, packaging, transportation and storage of infrared optical
glass.
This Standard is applicable to infrared optical glass material that is used to
manufacture infrared optical component.
2 Normative References
The following documents are indispensable to the application of this Standard. In terms
of references with a specified date, only versions with a specified date are applicable
to this Standard. The latest version (including all the modifications) of references
without a specified date is also applicable to this Standard.
GB/T 191 Packaging - Pictorial Marking for Handling of Goods
GB/T 7962.7 Colorless Optical Glass Test Methods - Examination Method for
Extent of Stripe
GB/T 7962.8 Test Methods of Colorless Optical Glass - Part 8. Bubble
GB/T 7962.14 Test Methods of Colorless Optical Glass - Part 14. Resistance to
Acid
GB/T 7962.15 Test Methods of Colorless Optical Glass - Part 15. Resistance to
Humidity
GB/T 7962.16 Test Methods of Colorless Optical Glass - Part 16. Linear Thermal
Expansion Coefficient, Transformation Temperature and Yield Point Temperature
GB/T 7962.18 Test Methods of Colorless Optical Glass - Part 18. Knoop Hardness
GB/T 7962.20 Test Methods of Colorless Optical Glass - Part 20. Density
GB/T 14148-2011 Glass Blank of Ophthalmic Lenses
GB/T 32561.2 Measuring Method for Chalcogenide Infrared Optical Glass - Part
2. Degree of Stripe
GB/T 32561.3 Measuring Method for Chalcogenide Infrared Optical Glass - Part
3. Impurity
the test value of n4 and n10.6 and the nominal value of n4 and n10.6.
6.2 Infrared Transmittance
Infrared transmittance can be obtained through the test conducted in accordance with
GB/T 36403; the average transmittance of required band can be calculated.
6.3 Impurity
Medium-wave infrared optical glass. conduct the test in accordance with impurity test
method stipulated in GB/T 7962.8.
Long-wave infrared optical glass. conduct the test in accordance with impurity test
method stipulated in GB/T 32561.3
6.4 Degree of Stripe
Medium-wave infrared optical glass. conduct the test in accordance with stripe degree
test method stipulated in GB/T 7962.7.
Long-wave infrared optical glass. conduct the test in accordance with stripe degree
test method stipulated in GB/T 32561.2.
6.5 Surface Defect
Conduct the inspection with measuring instrument and magnifier (division value ≤ 0.02
mm).
6.6 Crack
Please refer to Appendix B for the method of testing cracks in infrared optical glass.
6.7 Edge Chip
Conduct the inspection with measuring instrument and magnifier (division value ≤ 0.02
mm).
6.8 Dimensional Deviation
Deviation of length and diameter. conduct the test with measuring instrument (division
value ≤ 0.1 mm). Randomly select 3 different positions and conduct the test; take the
average value of the results.
Deviation of thickness. use measuring instrument (division value ≤ 0.1 mm) to measure
the thickness of two symmetrical dots on the same meridian (5.0 mm from the edge);
calculate the deviation of thickness; there shall be at least 4 measuring dots on each
model; the maximum value of the thickness deviation shall be taken.
6.9 Resistance to Humidity
7.4 Sampling and Determination
Sampling and determination shall be implemented in accordance with stipulations in
Chapter 7 in GB/T 14148-2011.
8 Marking, Packaging, Transportation and Storage
8.1 Marking
8.1.1 In terms of each batch of products, the certification shall indicate manufacturer’s
name and address, product standard number, nameplate, specification, quantity, batch
number, exit-factory number, inspection data and exit-factory date.
8.1.2 In terms of each batch of products, the packing list shall indicate manufacturer’s
name and address, product standard number, nameplate, specification and quantity.
8.1.3 The external packaging box shall indicate manufacturer’s name, address and
trademark, product nameplate, specification, quantity, shipment date, standard
number and pictorial marking of packaging shall comply with stipulations in GB/T 191.
8.2 Packaging
Isolation packaging shall be adopted in single piece of product; products shall be tightly
placed in the internal packaging box. Packaging box shall be tightly filled up.
8.3 Transportation and Storage
8.3.1 Products shall be stored in dry and ventilated warehouse; keep away from rain
and humidity.
8.3.2 During transportation, products shall not be collided or shaken; products shall be
handled slightly.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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