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CAN3-A451.1-M86 (R2001) Polystyrene Insulation Adhesives 现行 发布日期 :  1970-01-01 实施日期 : 

1. Scope 1.1 This Standard specifies requirements for organic adhesives suitable for bonding polystyrene insulation to itself and to interior and exterior surfaces of concrete, brick, and dry wall or similar porous surfaces in building construction, f

定价: 364元 / 折扣价: 310

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C22.2 NO. 0.2-93 (R2004) Insulation Coordination 现行 发布日期 :  1970-01-01 实施日期 : 

1. Scope 1.1 This Standard uses principles of insulation coordination in specifying through-air and over-surface spacing requirements for electrical equipment. 1.2 The complete principles of insulation coordination involve consideration of a combi

定价: 592元 / 折扣价: 504

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1. Scope This part of International Standard IEC 71 applies to three- phase a.c. systems having a highest voltage for equipment above 1 kV. It specifies the procedures for the selection of the standard withstand voltages for the phase-to-earth, phase-t

定价: 865元 / 折扣价: 736

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1.1 Scope This part of IEC 71 constitutes an application guide and deals with the selection of insulation levels of equipment or installations for three-phase electrical systems. Its aim is to give guidance for the determination of the rated withstand

定价: 2184元 / 折扣价: 1857

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