ISO 7663:2005

Halogenated isobutene-isoprene rubber (BIIR and CIIR) — Evaluation procedures

ISO 7663:2005 specifies: physical and chemical tests on raw rubbers; standardized materials, a standardized test formulation, and the equipment and processing methods for evaluating the vulcanization characteristics of all types of halogenated isobutene-isoprene rubber (BIIR and CIIR).

Caoutchoucs isobutène-isoprène halogénés (BIIR et CIIR) — Méthodes d'évaluation

General Information

• Status: Withdrawn
• Publication Date: 30-Nov-2005
• Withdrawal Date: 30-Nov-2005
• ICS: 83.060 - Rubber
• Technical Committee: ISO/TC 45/SC 3 - Raw materials (including latex) for use in the rubber industry
• Drafting Committee: ISO/TC 45/SC 3/WG 5 - Synthetic and reclaimed rubber
• Current Stage: 9599 - Withdrawal of International Standard
• Completion Date: 22-Sep-2014

Relations

• Revised: ISO 7663:2014 - Halogenated isobutene-isoprene rubber (BIIR and CIIR) — Evaluation procedures
• Effective Date: 21-Dec-2013
• Revises: ISO 7663:1995 - Halogenated isobutene-isoprene rubber (BIIR and CIIR) — Evaluation procedures
• Effective Date: 15-Apr-2008

Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 7663
Fourth edition
2005-12-15

Halogenated isobutene-isoprene rubber
(BIIR and CIIR) — Evaluation procedures
Caoutchoucs isobutène-isoprène halogénés (BIIR et CIIR) — Méthodes
d'évaluation




Reference number
ISO 7663:2005(E)
©
ISO 2005

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ISO 7663:2005(E)
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ii © ISO 2005 – All rights reserved

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ISO 7663:2005(E)
Contents Page
Foreword. iv
1 Scope . 1
2 Normative references . 1
3 Sampling and further preparative procedures . 2
4 Physical and chemical tests on raw rubber.2
4.1 Mooney viscosity. 2
4.2 Volatile matter . 2
4.3 Ash . 2
5 Preparation of test mixes. 2
5.1 Standard test formulation . 2
5.2 Procedure . 3
6 Evaluation of vulcanization characteristics by a curemeter test. 5
6.1 Using an oscillating-disc curemeter. 5
6.2 Using a rotorless curemeter . 5
7 Evaluation of tensile stress-strain properties of vulcanized test mixes. 5
8 Precision. 6
8.1 General. 6
8.2 Precision details . 6
8.3 Precision results. 6
9 Test report . 7
Bibliography . 9

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ISO 7663:2005(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 7663 was prepared by Technical Committee ISO/TC 45, Rubber and rubber products, Subcommittee
SC 3, Raw materials (including latex) for use in the rubber industry.
This fourth edition cancels and replaces the third edition (ISO 7663:1995), which has been technically revised.

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INTERNATIONAL STANDARD ISO 7663:2005(E)

Halogenated isobutene-isoprene rubber (BIIR and CIIR) —
Evaluation procedures
WARNING — Persons using this International Standard should be familiar with normal laboratory
practice. This standard does not purport to address all of the safety problems, if any, associated with
its use. It is the responsibility of the user to establish appropriate safety and health practices and to
ensure compliance with any national regulatory conditions.
1 Scope
This International Standard specifies:
⎯ physical and chemical tests on raw rubbers;
⎯ standardized materials, a standardized test formulation, and the equipment and processing methods for
evaluating the vulcanization characteristics of all types of halogenated isobutene-isoprene rubber (BIIR
and CIIR).
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO 37, Rubber, vulcanized or thermoplastic — Determination of tensile stress-strain properties
ISO 247:1990, Rubber — Determination of ash
ISO 248:2005, Rubber, raw — Determination of volatile-matter content
ISO 289-1, Rubber, unvulcanized- Determinations using a shearing-disc viscometer — Part 1: Determination
of Mooney viscosity
ISO 1795:2000, Rubber, raw natural and raw synthetic — Sampling and further preparative procedures
ISO 2393:1994, Rubber test mixes — Preparation, mixing and vulcanization — Equipment and procedures
ISO 3417, Rubber — Measurement of vulcanization characteristics with the oscillating disc curemeter
ISO 6502, Rubber — Guide to the use of curemeters
ISO 8312, Rubber compounding ingredients — Stearic acid — Definition and test methods
ISO/TR 9272, Rubber and rubber products — Determination of precision for test method standards
ISO 9298, Rubber compounding ingredients — Zinc oxide — Test methods
ISO 23529, Rubber — General procedures for preparing and conditioning test pieces for physical test
methods
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ISO 7663:2005(E)
3 Sampling and further preparative procedures
A laboratory sample of approximately 1,5 kg shall be taken in accordance with the method described in
ISO 1795. Preparation of the test samples shall be in accordance with ISO 1795.
4 Physical and chemical tests on raw rubber
4.1 Mooney viscosity
Prepare a test sample, without milling, in accordance with the preferred procedure in ISO 1795.
If milling is deemed necessary, either because of the condition of the laboratory sample (e.g. excessive
porosity) or by agreement between the interested parties, it shall be performed in accordance with
ISO 1795:2000, Subclause 8.3.2.2, paragraphs 1 and 2.
Determine the Mooney viscosity in accordance with ISO 289-1 on a test piece cut from the test sample which
shall be as free as possible from air and pockets that may trap air against the rotor and die surface.
The viscosity shall be determined as ML(1+8) at 125 °C.
4.2 Volatile matter
Determine the volatile-matter content by hot-mill method A as specified in ISO 248:2005, Clause 4.
A 450 g sized test unit may be used if required by an agreement between the interested parties.
4.3 Ash
Determine the ash in accordance with one of the methods specified in ISO 247.
5 Preparation of test mixes
5.1 Standard test formulation
The standard test formulation is given in Table 1.
The materials shall be national or international standard reference materials (or as agreed by the interested
parties).
Table 1 — Standard test formulation for evaluation of halogenated isobutene-isoprene rubbers
Material Parts by mass
Halogenated isobutene-isoprene rubber (BIIR or CIIR) 100,00
a, b
Stearic acid 1,00
c
Industry reference black 40,00
a, d
Zinc oxide 5,00
Total 146,00
a
Use powder materials.
b
The standard reference material for stearic acid is specified in ISO 8312. Use class A.
c
Use the current industry reference black.
d
The standard reference material for zinc oxide is specified in ISO 9298. Use the indirect (French) process.

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ISO 7663:2005(E)
5.2 Procedure
5.2.1 Equipment and procedure
The equipment and procedure for the preparation, mixing and vulcanization shall be in accordance with
ISO 2393:1994, Clauses 6, 7, 8 and 9.
5.2.2 Mixin
...