Noticias

ASTM D412-0 “Wood Surface Varnish Grinding Retreat”

This chapter is applicable to the application of varnish to the surface of wood such as wood parapets, hardwood doors and Windows, door and window sets, fixed furniture, and hardwood handrails of stairs in senior civil buildings. I. Main materials: Pintar: barniz, alkyd varnish, bottom varnish, surface varnish, paint sheet, etc.. Filling material:...

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YO ASI 4522-3-1988 “Methods of test for metallic coatings of silver and silver alloys – Parte 3: Determination of residual salts”

1 Range This standard specifies test methods for electroplating of silver and silver alloys for engineering, decoration and protection purposes against contamination by residual salts. This standard applies to metal parts; Not applicable to composite parts, such as parts with both plastic and coated metal. 2 Principle The part was boiled in water with...

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YO ASI 4522-3:1988 “Methods of test for metallic coatings of silver and silver alloys – Parte 3: Determination of residual salts”

1 Range This standard specifies test methods for electroplating of silver and silver alloys for engineering, decoration and protection purposes against contamination by residual salts. This standard applies to metal parts; Not applicable to composite parts, such as parts with both plastic and coated metal. 2 Principle The part was boiled in water with...

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YO ASI 1461-2022 “Recubrimientos galvanizados en caliente sobre productos de acero. – Especificaciones y métodos de prueba”

Introduction ISO (Organización Internacional de Normalización) es una federación global de organismos nacionales de normalización (Organismos miembros de ISO). El desarrollo de normas internacionales suele realizarse a través de comités técnicos de ISO.. Each member group interested in a subject on which a technical committee has been established has the right to be represented...

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YO ASI 7587-1986 Metal cover Tin-aluminum alloy electroplating

1 Range This STANDARD specifies the technical REQUIREMENTS AND test methods for electroplating of Tin-lead alloys with tin content ranging from 50% a 70%(mass ratio) (ver 10.3). This standard applies to electroplating of tin-lead alloys to prevent corrosion and improve soldering properties on electronic, electrical and other metal products. This standard also applies...

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