ISO 3865:2020 PDF

Name: ISO 3865:2020 — Rubber, vulcanized or thermoplastic — Methods of test for staining in contact with organic material
SKU: ISO 3865:2020
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Rubber, vulcanized or thermoplastic — Methods of test for staining in contact with organic material

Название (английский):

ISO 3865:2020

Rubber, vulcanized or thermoplastic — Methods of test for staining in contact with organic material

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 10
Дата публикации:: 31 января 2020 г.
Издание:: ISO IS 3865 edition 5 version 1
ICS:: 83.060

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Описание (английский):

This document specifies three methods for estimating the staining of organic finishes (subsequently referred to as "organic material") by vulcanized or thermoplastic rubber, as defined in Clause 3: — method A: contact staining and migration staining; — method B: extraction staining; — method C: penetration staining;

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 3865:2020 specifies standardized laboratory methods to estimate staining caused by vulcanized or thermoplastic rubber on organic finishes (paints, varnishes, plastics, veneers). The fifth edition defines three test methods - Method A (contact and migration staining), Method B (extraction staining) and Method C (penetration staining) - and provides guidance on sample preparation, apparatus, irradiation and assessment. The standard is intended for reproducible evaluation of rubber-induced staining under heat, light, pressure and in the presence of leached constituents.

Key Topics and Requirements

Three test methods

Method A: Direct contact staining and migration staining - rubber placed against organic panels and exposed to heat/artificial light.
Method B: Extraction staining - rubber is exposed to a test liquid; the liquid then contacts the organic material (options B.1, B.2 described).
Method C: Penetration staining - a light-coloured veneer or lacquer is applied to rubber and the assembly is heat-aged and light-exposed to detect penetration of stain.

Apparatus: ageing air oven (ISO 188), xenon‑arc lamp and irradiation chamber (ISO 4892‑2 / ISO 4892‑1 guidance), thermocouple/black panel thermometer, reflectance spectrometer (400–600 nm), blue dyed wool standards, grey scale (ISO 105‑A02).

Test pieces and preparation: rectangular rubber samples (typical thickness ~2.0 mm) and coated metal/plastic panels (white acrylic stoving enamel recommended; dried 30 min at 125 °C and tested 24–48 h after drying). Veneers and lacquers for Method C must be light‑coloured and non‑discolouring.

Assessment: visual inspection, grey scale comparison, or quantitative reflectance spectrometry. Clause 9 covers recommended irradiation intensity, time and surface temperature; Clause 10 covers evaluation procedures.

Reporting: requirements for test conditions, sample construction and results are specified to ensure traceability and reproducibility.

Applications and Who Uses This Standard

Quality control and acceptance testing by rubber manufacturers, compounders and test laboratories to assess staining potential of elastomers and thermoplastics.

Automotive (tyre sidewalls, seals), coatings and plastics industries evaluating material compatibility with paints, varnishes and veneers.

Material R&D and failure analysis teams investigating staining mechanisms (contact, migration, leaching/ extraction, penetration).

Procurement/specification writers and suppliers negotiating compatible combinations of rubber and organic finishes.

Related Standards

ISO 188 (accelerated ageing/heat resistance)

ISO 4892‑1 / ISO 4892‑2 (laboratory light exposure; xenon‑arc)

ISO 105‑A02 / ISO 105‑B01 (grey scale; blue wool standards)

ISO 2393 (rubber test mix preparation)

ISO 1382 (rubber vocabulary)

Keywords: ISO 3865:2020, rubber staining, contact staining, migration staining, extraction staining, penetration staining, vulcanized rubber, thermoplastic rubber, staining test methods, xenon‑arc lamp, grey scale, reflectance spectrometer.

ISO 3865:2020 PDF

Abstract

Похожие стандарты

Overview

Key Topics and Requirements

Applications and Who Uses This Standard

Related Standards

Технические детали

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