EN ISO 15695:2001 PDF

Name: EN ISO 15695:2001 — Vitreous and porcelain enamels - Determination of scratch resistance of enamel finishes (ISO 15695:2000, including Technical Corrigendum 1:2000)
SKU: EN ISO 15695:2001
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Vitreous and porcelain enamels - Determination of scratch resistance of enamel finishes (ISO 15695:2000, including Technical Corrigendum 1:2000)

Название (английский):

EN ISO 15695:2001

Vitreous and porcelain enamels - Determination of scratch resistance of enamel finishes (ISO 15695:2000, including Technical Corrigendum 1:2000)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 7
Дата публикации:: 22 августа 2001 г.
Издание:: CEN EN 15695 edition 1 version 1
ICS:: 25.220.50

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Описание (английский):

Test method for determination of scratch resistance of enamel finishes. Provides measure of durability of porcelain enamel finishes to scratching by sharp objects under high forces. Not to be confused with 'scratch hardness', which is measured by the procedure given in EN 101.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 15695:2001 (identical to ISO 15695:2000 with Technical Corrigendum 1:2000) defines a test method for determining the scratch resistance of vitreous and porcelain enamel finishes. The standard measures the durability of enamel coatings against scratching by sharp objects under relatively high forces. It is a performance test for enamelled metal substrates and is distinct from “scratch hardness” tests (see EN 101 / Mohs method).

Key topics and technical requirements

Scope: Test method for enamel finishes on metal substrates prepared according to ISO 2723 (sheet steel), ISO 2724 (cast iron) or ISO 13804 (aluminium).

Minimum coating thickness: enamel layer at least 50 µm.

Apparatus:

Turntable (radius ≥ 50 mm) able to make one revolution in 10–13 s and stop automatically.
Diamond indenter: cone angle 90° ± 1°, tip curvature radius 90 µm ± 3 µm; crystallographic axis aligned with holder.
Force application from 0 N to 10 N with 0.1 N precision.
Felt pens in red, green, blue and black (identical manufacture); inks must meet a color change limit after wiping (dE* ≤ 10 per ISO 7724-3).

Procedure (summary):

Produce circular scratches at stepwise forces (highest forces on outer circles), circles typically between 25 mm and 45 mm radius.
Colour each scratched circle with the designated felt-pen colours, allow ink to dry ≥ 1 min, then wipe.

Determination:

Visually inspect at 25 cm under 500–800 lx illumination (Technical Corrigendum).
Scratch resistance = highest force (N) at which the felt-pen colour remains over less than 50% of the tested length for each colour. Repeat determination if ambiguous.

Test report must include reference to ISO 15695, specimen description (material), scratch resistance in Newtons, and test date.

Applications

Quality control and acceptance testing for porcelain enamel coatings on cookware, domestic appliances, sanitaryware, industrial vessels, and coated components.

Product development and comparative durability testing of enamel formulations and application processes.

Verification of enamel performance for safety, lifecycle and warranty specifications.

Related standards

ISO 1518 (scratch test basis)

ISO 2723, ISO 2724, ISO 13804 (specimen preparation)

ISO 7724-3 (colour difference/dE*)

EN 101 (scratch hardness / Mohs method) - different metric and procedure

Keywords: EN ISO 15695:2001, ISO 15695, scratch resistance, porcelain enamel, vitreous enamel, enamel finishes, scratch test, diamond indenter, coating durability.

EN ISO 15695:2001 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications

Who uses this standard

Related standards

Технические детали

ISO 15695:2000

Vitreous and porcelain enamels — Determination of scratch resistance of enamel finishes

ISO 2723:1973

Vitreous and porcelain enamels for sheet steel — Production of specimens for testing

ISO 2724:1973

Vitreous and porcelain enamels for cast iron — Production of specimens for testing

BS ISO 13804:1999

Vitreous and porcelain enamels for aluminium. Production of specimens for testing

ISO 7724-3:1984

Paints and varnishes — Colorimetry — Part 3: Calculation of colour differences

SIST EN ISO 15695:2002

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