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1 Scope This International Standard specifies methods for the determination of the B-transformation time of phenolic resins at a specified temperature and under specified conditions on a heated test…
1 Scope This International Standard specifies three methods for the determination of the hexamethylenetetramine (“hexa”) content of phenolic resins. The three methods are equivalent. The Kjeldahl met…
Overview ISO 8989:1995 specifies a laboratory method to determine the water miscibility of liquid phenolic resins. The standard defines how much water can be mixed into a liquid phenolic (phenoplast)…
Overview ISO 898-3:2018 defines the mechanical and physical properties of flat washers made of carbon steel and alloy steel, intended for use in bolted joints with fasteners specified in ISO 898-1 an…
Overview EN ISO 8980-4:2026 is a standard developed by CEN, aligned with ISO 8980-4:2026, addressing the specifications and test methods for anti-reflective and hydrophobic coatings on uncut finished…
Overview ISO 8980-5:2005 - Ophthalmic optics - Uncut finished spectacle lenses - Part 5 specifies minimum requirements and a test method for spectacle lens surfaces claimed to be abrasion-resistant.…
Overview EN ISO 8989:1998 (ISO 8989:1995) specifies a laboratory method to determine the water miscibility (water tolerance) of liquid phenolic resins. The test quantifies the percentage by mass of w…
Overview EN ISO 8980-5:2005 (ISO 8980-5:2005) is a CEN/ISO standard in the ophthalmic optics family that defines minimum requirements and a test method for spectacle lens surfaces claimed to be abras…
Overview EN ISO 8987:2005 is an international standard established by CEN and ISO for evaluating the reactivity of phenolic resins, a type of thermosetting plastic widely used in various industrial a…
Overview SIST EN ISO 8987:2006 is an international standard established by CEN and ISO for evaluating the reactivity of phenolic resins, a type of thermosetting plastic widely used in various industr…
Overview EN ISO 8988:2006 (ISO 8988:2006) specifies analytical methods for the determination of hexamethylenetetramine (commonly “hexa”) content in phenolic resins. Published by CEN/ISO, the standard…
Overview EN ISO 898-5:2012 (ISO 898-5:2012) specifies the mechanical and physical properties of set screws and similar threaded fasteners made of carbon steel or alloy steel. It covers fasteners with…
Overview EN ISO 898-1:2013 (ISO 898-1:2013) - Mechanical properties of fasteners made of carbon steel and alloy steel, Part 1 - defines the mechanical and physical properties of bolts, screws and stu…
Overview SIST EN ISO 898-1:2013 (ISO 898-1:2013) - Mechanical properties of fasteners made of carbon steel and alloy steel, Part 1 - defines the mechanical and physical properties of bolts, screws an…
Overview - EN ISO 8980-1:2017 (Ophthalmic optics) EN ISO 8980-1:2017 specifies requirements and verification methods for the optical and geometrical properties of uncut finished spectacle lenses, cov…
Overview EN ISO 8980-2:2017 - Ophthalmic optics - Uncut finished spectacle lenses - Part 2: Specifications for power-variation lenses - defines optical and geometrical requirements and verification m…
Overview EN ISO 898-3:2018 (ISO 898-3:2018) defines the mechanical and physical property requirements for flat washers made of carbon steel and alloy steel intended for use in bolted joints. It stand…
Overview EN ISO 898-3:2018/A1:2021 is a CEN-endorsed amendment to ISO 898-3 that updates the international requirements for flat washers made from carbon steel and alloy steel with specified property…
Overview EN ISO 8985:2022 (ISO 8985:2022, corrected version 2022-08) defines standardized methods for the determination of vinyl acetate (VAC) content in ethylene/vinyl acetate (EVAC) thermoplastics.…
Overview EN ISO 8980-3:2022 - "Ophthalmic optics - Uncut finished spectacle lenses - Part 3: Transmittance specifications and test methods" (ISO 8980-3:2022) sets out requirements and test methods fo…
Overview EN ISO 898-2:2022 (Fasteners - Mechanical properties of fasteners made of carbon steel and alloy steel - Part 2) specifies the mechanical and physical properties of nuts manufactured from ca…
Overview SIST EN ISO 8980-4:2026 specifies requirements and test methods for the properties of anti-reflective coatings and hydrophobic coatings applied to uncut finished spectacle lenses. Developed…
