GB/T 28858-2012Encapsulating material of phenolic for electronic components (English PDF)
电子元器件用酚醛包封料
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 5, 2012
Implementation date
February 15, 2013
Scope
GB/T 28858-2012 is the English-translated version of 电子元器件用酚醛包封料.
GB/T 28858-2012 is the Chinese standard "Encapsulating material of phenolic for electronic components".
Its scope clause reads: This standard specifies the encapsulation of electronic components with phenolic material (hereinafter referred to as encapsulation materials) classification, technical requirements, inspection rules, test methods, Packaging, labeling, storage and transportation requirements.
This standard applies to ceramic capacitors, piezoelectric ceramic element, thermistor, thick film circuit and other electronic components encapsulated with phenolic wet bag Seal material. Its clauses include product classification, composition and materials.
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Document preview — GB/T 28858-2012
National Standard of the People's Republic of China
- ICS
- 31.030
- Classification
- L 90
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 product classification, composition and materials
- 3.1 Classification
- 3.2 Composition and Materials
1 Scope
This standard specifies the encapsulation of electronic components with phenolic material (hereinafter referred to as encapsulation materials) classification, technical requirements, inspection rules, test methods,
Packaging, labeling, storage and transportation requirements.
This standard applies to ceramic capacitors, piezoelectric ceramic element, thermistor, thick film circuit and other electronic components encapsulated with phenolic wet bag
Seal material.
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 1408.1-2006 electrical insulating materials strength test methods - Part 1. Tests at power frequencies
GB/T 1409-2006 Measurement of electrical insulating materials at power, audio, high-frequency (including meter wavelengths included) of the permittivity and dielectric loss
The recommended method consumption factor
GB/T 2411-2008 Plastics and ebonite - Determination of indentation hardness using a durometer (Shore hardness)
GB/T 4722 printed circuits copper clad laminates Test Method
GB/T 6003.1-1997 Test sieves of metal wire cloth
Test methods of insulation resistance of solid insulating materials GB/T 10064-2006 Determination
3 product classification, composition and materials
3.1 Classification
Encapsulation materials according to their different characteristics into conventional drying and quick-drying type, model and characteristics are shown in Table 1.
Table 1 Type and characteristics of the encapsulating material
Characteristics of a Model
FS-150-C Drying time > 2h/25 °C
FS-150-K Drying time <=2h/25 °C
NOTE. The encapsulation materials by type binder, the application form, the curing temperature of the material, the material properties of code. F codes for the phenolic resin; material is the S
Application Form Code (ie wet); 150 curing temperature for the material of the code; C conventional drying; K for quick drying.
a component in accordance with Appendix A encapsulation.
3.2 Composition and Materials
3.2.1 Composition
Encapsulating material is a phenolic resin-based binder, adding pigments, fillers and other additives from milling.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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