GB/T 20633.3-2011 English PDF

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GB/T 20633.3-2011: Coatings for loaded printed wire boards (conformal coatings) -- Part 3: Coatings for general purpose (Class 1), high reliability (Class 2) and aerospace (Class 3)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20633.3-2011	154	Add to Cart	3 days	Coatings for loaded printed wire boards (conformal coatings) -- Part 3: Coatings for general purpose (Class 1), high reliability (Class 2) and aerospace (Class 3)	Valid

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GB/T 20632.2   GB/T 20632.3   GB/T 11026.1   GB/T 20629.4   GB/T 20633.2   

Basic data

Standard ID: GB/T 20633.3-2011 (GB/T20633.3-2011)
Description (Translated English): Coatings for loaded printed wire boards (conformal coatings) -- Part 3: Coatings for general purpose (Class 1), high reliability (Class 2) and aerospace (Class 3)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K15
Classification of International Standard: 29.035.99
Word Count Estimation: 8,871
Date of Issue: 2011-12-30
Date of Implementation: 2012-05-01
Quoted Standard: GB/T 20633.1-2006; GB/T 20633.2-2011
Adopted Standard: IEC 61086-3-1-2004, IDT
Regulation (derived from): Announcement of Newly Approved National Standards No. 22 of 2011
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard provides for loaded printed circuit boards with paint (conformal coatings) performance requirements. This section applies to uncured coatings and applied to a specific circuit board coatings.

GB/T 20633.3-2011: Coatings for loaded printed wire boards (conformal coatings) -- Part 3: Coatings for general purpose (Class 1), high reliability (Class 2) and aerospace (Class 3)

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Coatings for loaded printed wire boards (conformal coatings) Part 3. Coatings for general purpose (Class 1), high reliability (Class 2) and aerospace (Class 3) ICS 29.035.99 K15 National Standards of People's Republic of China Coatings for loaded printed circuit boards (conformal coatings) Part 3. general use (1), with high reliability (Class 2) and aerospace (Class 3) Coatings Coatingsforloadedprintedwireboards (conformalcoatings) - Part 3. Coatingsforgeneralpurpose (Class1), highreliability (Class2) andaerospace (Class3) (IEC 61086-3-1.2004, Coatingsforloadedprintedwireboards (Conformalcoatings) -Part 3-1. Coatingsforgeneralpurpose (Class1), highreliability (Class2) andaerospace (Class3), IDT) Issued on. 2012-05-01 2011-12-30 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 20633 "carrier printed circuit board coating (conformal coatings)", is divided into the following sections. --- Part 1. Definitions, classification and general requirements; --- Part 2. Test methods; --- Part 3. general use (1), with high reliability (Class 2) and aerospace (Class 3) paint; This is Part 3 GB/T 20633 of. This section drafted in accordance with GB/T 1.1-2009 given rules. This section uses the translation method identical with IEC 61086-3-1.2004 (2nd edition) "carrier printed circuit board coating (conformal coatings) Part 3-1. Specifications for individual materials for general use (1), with high reliability (Class 2) and aerospace (Class 3) paint. " This part of IEC 61086-3-1. compared to 2004, the technical content has not changed, only deleted on the edit format of the IEC 60893-3-7 "Preface" and "Introduction", the introduction of this part of the content into "preface"; the "Normative references" in the IEC standard has been adopted by standard conversion National standards instead of after. This part is proposed by the China Electrical Equipment Industrial Association. This part of the National Standardization Technical Committee of the insulating material (SAC/TC51) centralized. This part mainly drafted by. Guilin Institute of Electrical Science, Guilin University of Electronic Technology. Drafters of this section. Luozhuan Yong, Zhu Hua night, Daipei Bang, Song Yuxia, Bo. Coatings for loaded printed circuit boards (conformal coatings) Part 3. general use (1), with high reliability (Class 2) and aerospace (Class 3) Coatings

1 Scope

GB/T 20633 provisions of this part of the performance requirements for carrying printed circuit boards with coating (conformal coating) of. This section applies to uncured coatings and paints applied to a specific board.

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 20633.1-2006 loaded printed circuit board coating (conformal coatings) - Part 1. Definitions, classification and general requirements (IEC 61086-1.2004, IDT) GB/T 20633.2-2011 loaded printed circuit board coating (conformal coatings) - Part 2. Test methods (IEC 61086-2. 2004, IDT)

3 Named

Paint naming press GB/T 20633.1-2006 provisions.

4 Performance Requirements

Paint should meet the general requirements GB/T 20633.1-2006 in Chapter 4. When press GB/T 20633.2-2011 Test Method When the coating shall meet Table 1, Table 2, Table 3, Table 4 and Table 5 requirements. Table 1 A sample a) Level 1 program (GB/T 20633.2-2011 The reg) stage Performance Test (GB/T 20633.2-2011 The reg) Number of samples (Flag) Claim Cleaning (3.1.2) - Conductivity or ion-containing extract The amount of (3.1.2) Complete < 50μSm-1 or < 1.55μg/cm2NaCla Coated (3.1) Prior to coating When coating After application, the pre-exposure Thickness Thickness (7.2) 10 (1-10) record sheet - 20 (1-20) - Visual inspection (7.1) 20 (1-20) Observation b Thickness (7.2) Table 5 Fluorescence (sex) (7.3) if necessary should be visible ......

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