ISO 59-1976 rus PDF

Full title and description

ISO 59:1976 — Plastics — Phenolic mouldings — Determination of acetone-soluble matter. This International Standard specifies a laboratory method for determining the fraction of a phenolic moulding material that is soluble in acetone (expressed as a percentage by mass). A Russian-language copy or commercial Russian reproduction is offered by some vendors under the designation "St ISO 59-1976 rus".

Abstract

ISO 59:1976 defines a gravimetric extraction procedure in which acetone is used to dissolve the acetone-soluble fraction from a phenolic moulding specimen; the extract is dried under controlled conditions and the residue weighed to give the acetone‑soluble matter as a percentage of the original sample. The original ISO item is withdrawn; later, more recent methods for determination of acetone‑soluble matter in phenolic moulding materials are published under different ISO numbers (for example ISO 308 series).

General information

• Status: Withdrawn.
• Publication date: 1976 (published July 1976 / 1976-07).
• Publisher: International Organization for Standardization (ISO).
• ICS / categories: 83.080.10 (Thermosetting materials / thermosetting plastics).
• Edition / version: Edition 1 (1976).
• Number of pages: 2 pages (short test method).

Scope

ISO 59:1976 was intended for the determination of the amount of matter extractable by acetone from phenolic mouldings (phenolic-based thermoset materials). The method is a comparative gravimetric technique used to quantify acetone‑soluble fractions and assess apparent resin or undercure levels in phenolic materials. Note that subsequent ISO documents (for example the ISO 308 series) give a more detailed, later specification for acetone‑soluble determinations in phenolic moulding materials.

Key topics and requirements

• Scope and applicability to phenolic mouldings (thermosetting phenolic materials).
• Gravimetric extraction using acetone as solvent (boiling/near‑boiling extraction followed by controlled drying).
• Reporting the acetone‑soluble matter as percentage by mass of the test portion.
• Intended as a comparative quality/control test (sensitive to resin type, filler, cure, and processing).

Typical use and users

Laboratories performing quality control or incoming material inspection for phenolic moulding compounds, manufacturers of thermosetting phenolic products (laminates, moulded parts), test houses, and standards committees use acetone‑soluble determinations as a comparative indicator of resin content or degree of cure. The test is commonly used in production control, R&D and materials specification work.

Related standards

ISO 59:1976 has been withdrawn and related/updated methods include the ISO 308 series (Plastics — Phenolic moulding materials — Determination of acetone‑soluble matter), national versions (for example GB/T equivalents) and ASTM test methods with similar extraction procedures (for example ASTM D494 for acetone extraction of phenolic molded or laminated products). These later documents expand, clarify or reissue the test procedure under different numbers.

Keywords

ISO 59, phenolic mouldings, acetone‑soluble matter, acetone extraction, gravimetric method, thermosetting plastics, resin content, material testing, withdrawn standard.

FAQ

Q: What is this standard?

A: ISO 59:1976 is an International Standard that specified a laboratory method for determining acetone‑soluble matter in phenolic mouldings (short gravimetric test).

Q: What does it cover?

A: It covers a solvent‑extraction (acetone) and gravimetric procedure to quantify the acetone‑soluble fraction of phenolic moulding materials and to express that fraction as a percentage of the specimen mass.

Q: Who typically uses it?

A: Material and quality laboratories, manufacturers of phenolic moulding compounds and parts, test houses, and standards bodies for comparative quality control and specification testing.

Q: Is it current or superseded?

A: ISO 59:1976 has been withdrawn. More recent and related standards (for example the ISO 308 series) provide updated or replacement procedures for acetone‑soluble determinations in phenolic materials. Consult current ISO catalogues or national bodies for the active method in force.

Q: Is it part of a series?

A: Not as a numbered multi‑part series under ISO 59 itself; however, the topic of acetone‑soluble determination for phenolic moulding materials is covered later under the ISO 308 series and related national/adopted standards.

Q: What are the key keywords?

A: Phenolic mouldings; acetone‑soluble matter; acetone extraction; gravimetric determination; thermosetting plastics; resin content; undercure indicator.