EN ISO 4625-2:2006 PDF

Name: EN ISO 4625-2:2006 — Binders for paints and varnishes - Determination of softening point - Part 2: Cup-and-ball method (ISO 4625-2:2004)
SKU: EN ISO 4625-2:2006
Price: 51.9 EUR
Availability: InStock

Binders for paints and varnishes - Determination of softening point - Part 2: Cup-and-ball method (ISO 4625-2:2004)

Название (английский):

EN ISO 4625-2:2006

Binders for paints and varnishes - Determination of softening point - Part 2: Cup-and-ball method (ISO 4625-2:2004)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 12
Дата публикации:: 8 февраля 2006 г.
Издание:: CEN EN 4625 edition 1 version 1
ICS:: 87.060.20

Тип поставки:

Full version180 €Read online 24h10 €Read online 72h15 €

Язык документа:

ruen

Срок поставки:2 раб. дн. (перевод)

Цена:180 €

Описание (английский):

ISO 4625-2:2004 specifies a method for determining the softening point of resins (including rosin) by means of a cup-and-ball apparatus and can, under user-defined conditions, give results comparable to those obtained using the ring-and-ball method (ISO 4625-1).

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 4625-2:2006 is an internationally recognized standard published by CEN in alignment with ISO 4625-2:2004. It details the cup-and-ball method for determining the softening point of binders, specifically resins used in paints and varnishes, including rosin. This method is crucial for quality control and product specification in the coatings industry, providing reliable data on the temperature at which resins begin to soften and flow.

The standard provides a consistent procedure for measuring softening points using a cup-and-ball apparatus, offering results comparable to the ring-and-ball method specified in ISO 4625-1. By following this method, manufacturers and labs can ensure material performance meets regulatory and industrial requirements.

Key Topics

Scope and Application The method applies to resin binders in paints and varnishes, assessing their thermal softening behavior, essential for product formulation and stability assessments.

Principle of Measurement A resin sample is heated in a specialized cup while a steel ball rests on its surface. As temperature rises, the resin softens and the ball descends. The softening point is defined as the temperature where the ball has sunk 19 mm, detected by an interruption of a light beam.

Apparatus Specifications

Cup-and-ball apparatus with a digital control unit and temperature indicator
Chromium-plated brass cup with a specific geometry
Stainless steel ball (8.7 mm diameter, approx. 2.77 g)
Instrument capable of precise heating rates (±0.2 °C/min) and temperature detection (±0.1 °C)

Calibration and Standards The apparatus requires calibration with primary standards such as benzoic acid to verify accuracy, followed by checks with secondary standards similar in softening points to the test resins (e.g., stearyl alcohol, phenoxyacetic acid).

Test Procedure The resin is melted, poured into the cup, and allowed to cool, eliminating air bubbles. The cup assembly is placed in the apparatus, and heating initiated at a controlled rate (typically 1.0-2.5 °C/min). The instrument automatically detects and records the softening point.

Result Expression and Precision Results are reported in degrees Celsius with defined precision. The method includes guidelines for repeatability and bias to ensure consistency across laboratories.

Applications

Quality Control in Paints and Varnishes Manufacturing Determination of softening point enables producers to monitor resin stability and performance during production, ensuring coatings' desired drying, durability, and application characteristics.

Material Specification and Compliance Provides a standardized thermal characterization vital for compliance with industrial specifications, safety data sheets, and regulatory requirements.

Research and Development Facilitates formulation optimization by evaluating resin behavior under heat, assisting in developing products with improved heat resistance and application conditions.

Comparative Analysis Enables correlation and comparison with other softening point measurement methods, particularly the ring-and-ball method (ISO 4625-1), to maintain uniformity in test outcomes.

Related Standards

ISO 4625-1: Determination of Softening Point - Ring-and-Ball Method The complementary method to part 2, commonly used for measuring softening points of binders, with which results from the cup-and-ball method can be correlated under defined conditions.

ISO 5725-1: Accuracy (Trueness and Precision) of Measurement Methods and Results Establishes general principles to understand and control the accuracy and precision of the testing method described in EN ISO 4625-2.

ASTM D6090-99: Standard Test Method for Softening Point of Resins (Mettler Cup and Ball Method) Harmonized with ISO 4625-2, this ASTM standard shares procedural similarities enhancing testing methodology compatibility across regions.

By implementing EN ISO 4625-2:2006, paint and varnish manufacturers can ensure reproducible, accurate determination of resin softening points, leading to improved product consistency and performance. This standard is essential for technicians, quality managers, and R&D professionals involved in binder testing and characterization within the coatings industry.

EN ISO 4625-2:2006 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Технические детали

ISO 4625-2:2004

Binders for paints and varnishes — Determination of softening point — Part 2: Cup-and-ball method

SIST EN ISO 4625-1:2020

Binders for paints and varnishes - Determination of softening point - Part 1: Ring-and-ball method (ISO 4625-…

SIST ISO 5725-1:2024

Accuracy (trueness and precision) of measurement methods and results - Part 1: General principles and definit…

SIST EN ISO 4625-2:2006

Binders for paints and varnishes - Determination of softening point - Part 2: Cup-and-ball method (ISO 4625-2…