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BS EN 60464-1:1999, IEC 60464-1:1998 Varnishes used for electrical insulation - Definitions and general requirements >
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BS EN 60464-1:1999, IEC 60464-1:1998 Varnishes used for electrical insulation - Definitions and general requirements, 2006
- BRITISH STANDARD
- BS EN 60464-1:1999
- IEC 60464-1: 1998
- Varnishes used for electrical insulation - [Go to Page]
- Part 1: Definitions and general requirements
- The European Standard EN 60464-1:1999, with the incorporation of amendment A1:2006, has the status of a British Standard
- ICS 01.040.29; 29.035.99
- This British Standard, having been prepared under the direction of the Electrotechnical Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 April 1999 [Go to Page]
- National foreword
- This British Standard is the English language version of EN 60464-1:1999, including amendment A1:2006. It is identical with IEC 60464-1:1998, including amendment 1:2006. It supersedes BS 5629-1:1978 which is withdrawn.
- The start and finish of text introduced or altered by IEC amendment is indicated in the text by tags !". Tags indicating changes...
- The UK participation in its preparation was entrusted by Technical Committee GEL/15, Insulating materials, to Subcommittee GEL/15/3, Material specifications, which has the responsibility to:
- -
- aid enquirers to understand the text;
- A list of organizations represented on this subcommittee can be obtained on request to its secretary.
- Cross-references
- Attention is drawn to the fact that CEN and CENELEC standards normally include an annex which lists normative references to inte...
- This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.
- Compliance with a British Standard does not of itself confer immunity from legal obligations.
- Summary of pages
- This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 to 6 and a back cover.
- This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. [Go to Page]
- Contents
- EUROPEAN STANDARD
- NORME EUROPÉENNE
- EUROPÄISCHE NORM [Go to Page]
- EN 60464-1
- +A1
- ICS 29.035.01 [Go to Page]
- Descriptors: Solid electrical insulating materials, varnishes, resins, definitions, specifications, colours, delivery, life durability [Go to Page]
- English version
- Varnishes used for electrical insulation Part 1: Definitions and general requirements
- (includes amendment A1:2006) [Go to Page]
- (IEC 60464-1:1998 +A1:2006) [Go to Page]
- (CEI 60464-1:1998 +A1:2006)
- This European Standard was approved by CENELEC on 1999-01-01 and amendment A1 was approved by CENELEC on 2006-02-01. CENELEC mem...
- Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member.
- This European Standard exists in three official versions (English, French, German). A version in any other language made by tran...
- CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finl...
- CENELEC
- European Committee for Electrotechnical Standardization
- Comité Européen de Normalisation Electrotechnique
- Europäisches Komitee für Elektrotechnische Normung
- Central Secretariat: rue de Stassart 35, B-1050 Brussels
- © 1999 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
- Ref. No. EN 60464-1:1999 + A1:2006 E [Go to Page]
- The text of document 15C/989/FDIS, future edition 2 of IEC 60464-1, prepared by SC 15C, Specifications, of IEC TC 15, Insulating materials, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60464-1 on 1999-01-01.
- The following dates were fixed:
- Annexes designated “normative” are part of the body of the standard.
- In this standard, Annex ZA is normative.
- Annex ZA has been added by CENELEC.
- Endorsement notice
- The text of the International Standard IEC 60464-1:1998 was approved by CENELEC as a European Standard without any modification.
- The text of document 15/252/FDIS, future amendment 1 to IEC 60464-1:1998, prepared by IEC TC 15, Electrical insulating materials, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as amendment A1 to EN 60464-1:1999 on 2006-02-01.
- The following dates were fixed:
- Endorsement notice
- The text of amendment 1:2006 to the International Standard IEC 60464-1:1998 was approved by CENELEC as an amendment to the European Standard without any modification. [Go to Page]
- Introduction
- This International Standard is one of a series which deals with varnishes used for electrical insulation. The series consists of three parts: [Go to Page]
- 1 Scope
- This part of IEC 60464 relates to varnishes used for electrical insulation. !Text deleted " The varnishes may be used for finishing or impregnating applications, and may be dried or dried and cured at ambient or elevated temperatures. [Go to Page]
- 2 Normative references
- The following normative documents contain provisions which, through reference in the text, constitute provisions of this Interna...
- IEC 60464-3-1, Varnishes used for electrical insulation - Part 3: Specifications for individual materials - Sheet 1: Ambient curing finishing varnishes.
- IEC 60464-3-2, Varnishes used for electrical insulation - Part 3: Specifications for individual materials - Sheet 2: Hot curing impregnating varnishes1).
- ISO 472:1988, Plastics - Vocabulary.
- ISO 1043-1:1997, Plastics - Symbols and abbreviated terms - Part 1: Basic polymers and their characteristics. [Go to Page]
- 3 Designation
- The commonly used applications are as shown in Table 1.
- Table 1 - Application methods [Go to Page]
- The code letters associated with the application may be used as an abbreviation of the application description. Further applications and associated code letters may be added if so required.
- Depending on their composition and purpose, these varnishes dry or dry and cure at ambient or at elevated temperature. The desig...
- Table 2 - Basic resins [Go to Page]
- !The designation letter of the varnish type shall follow the resin type letter in brackets.
- Table 3 - Varnish types [Go to Page]
- Type
- Code letter
- "
- The code letters associated with the designation may be used as abbreviation of the polymer description. Further designations and associated code letters may be added if so required.
- ! [Go to Page]
- 4 Terms and definitions [Go to Page]
- 4.1 Varnish
- A solution or emulsion of one or more resins in a solvent or carrier liquid. Other components may be present, such as driers, ca... [Go to Page]
- 4.2 Resin
- A solid, semi-solid, or pseudo-solid organic material that has an indefinite and often high molecular mass, exhibits a tendency ... [Go to Page]
- 4.2.1 acrylic resin (A)
- a resin made with acrylic acid or a structural derivative of acrylic acid, or their copolymers with other monomers, the acrylic monomer(s) being in the greatest amount by mass [Go to Page]
- 4.2.2 epoxy resin (EP)
- a resin containing epoxide groups capable of crosslinking [Go to Page]
- 4.2.3 melamine-formaldehyde resin (MF)
- an amino resin made by polycondensation of melamine with formaldehyde or a compound that is capable of providing methylene bridges [Go to Page]
- 4.2.4 phenol-formaldehyde resin (PF)
- a resin of the phenolic type, made by the polycondensation of phenol with formaldehyde [Go to Page]
- 4.2.5 polyurethane resin (PUR)
- a resin in which, after curing, the repeated structural unit in the chain is of the urethane type [Go to Page]
- 4.2.6 saturated polyester resin (SP)
- a resin in which the repeated structural unit is of the ester type [Go to Page]
- 4.2.7 silicone resin (SI)
- a resin in which the main polymer chain consists of alternating silicon and oxygen atoms [Go to Page]
- 4.2.8 unsaturated polyester resin (UP)
- a polyester resin characterized by carbon-carbon unsaturation in the polymer chain, which permits subsequent crosslinking with an unsaturated monomer or prepolymer [Go to Page]
- 4.3 diluent
- a liquid additive, the sole function of which is to reduce the concentration of solids and the viscosity of a varnish composition [Go to Page]
- 4.4 cure; curing
- the process of converting a prepolymeric or polymeric composition into a more stable, usable condition by polymerization and/or crosslinking [Go to Page]
- 4.5 polymerization
- the process of converting a monomer or a mixture of monomers into a polymer [Go to Page]
- 4.6 crosslinking
- the process of producing multiple intermolecular covalent or ionic bonding between polymer chains [Go to Page]
- 4.7 adherence
- the state in which two surfaces are held together by interfacial forces [Go to Page]
- 4.8 void
- an enclosed cavity of an undefined shape, containing air or some other gas [Go to Page]
- 4.9 shelf life
- the storage time under specified conditions during which a material retains its essential properties [Go to Page]
- 4.10 finishing varnish (FV)
- a varnish which is applied to the surface of equipment or parts of it to enhance the resistance to environmental influences or to improve the appearance of the equipment [Go to Page]
- 4.11 impregnating varnish (IV)
- a varnish which is capable of penetrating or impregnating windings and coils of electrical components with the purpose to fill interstices and voids and thus protect and bond the winding and coil [Go to Page]
- 4.12 ambient curing varnish
- a varnish which dries or dries and cures at ambient temperature without application of heat [Go to Page]
- 4.13 hot curing varnish
- a varnish which cures by application of heat
- ! [Go to Page]
- 4.14 Emulsion
- stable, colloidal mixture of two immiscible liquids [Go to Page]
- 4.15 Co-solvent
- solvent, usually a polar or hydrophilic liquid, used in small concentrations to bridge between the polymeric resin and the main solvent (usually water) and facilitate emulsification [Go to Page]
- 4.16 Volatile organic compound content
- mass of organic material lost from a water or emulsion based varnish during the drying/curing process, expressed in relation to the mass of the resin of the varnish" [Go to Page]
- 5 General requirements
- All material in a consignment shall comply with the requirements of this standard and shall, in addition, comply with the specifications given in IEC 60464-3. [Go to Page]
- 5.1 Colour
- The colour of the dried and/or cured material shall match with the colour as agreed between supplier and purchaser. [Go to Page]
- 5.2 Conditions of supply
- The varnish shall be supplied in adequate strong, dry and clean containers, which ensure protection during transport, handling and storage. Each container shall be legibly and durably marked with at least the following information:
- Preferred sizes of containers are 1; 2,5; 5; 25 and 205 litres. [Go to Page]
- 5.3 Shelf life
- When stored in its original sealed container under specified temperature conditions, the material shall retain its specified properties up to the final date for use.
- This European Standard incorporates by dated or undated reference, provisions from other publications. These normative reference...
- Part 3: Specifications for individual materials
- Sheet 1: Ambient curing finishing varnishes
- Sheet 2: Hot curing impregnating varnishes
- Part 1: Basic polymers and their characteristics [Go to Page]
- a To be published.
- BS EN 60464-1:1999 IEC 60464-1: 1998
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