GB/T 24413-2009Phenolic urethane resin for foundry (English PDF)

1 Scope

This standard specifies the phenolic urethane casting resin Classification and nomenclature, requirements, test methods, inspection rules, marking, packaging, transport and

Storage.

This standard applies to high levels of formaldehyde and phenol in the role of special catalysts and additives, according to certain conditions synthesized line

Type phenolic resin (I component), with polyisocyanate (II composition) two-component urethane casting phenolic resin.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent

Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research

Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.

Preparation of GB/T 601 chemical reagent standard titration solution

GB/T 2684-2009 and foundry sand mixture test methods

GB/T 2794-1995 Determination of the viscosity of the adhesive

GB/T 6678-2003 General Principles for Sampling Chemical Products

GB/T 6680-2003 General rules for sampling liquid chemical products

Laboratory use specifications and test methods GB/T 6682 Analysis

GB/T 8170 repair value expressed about the rules and limit values and judgment

GB/T 12007.5-1989 epoxy resin density determination Pyknometer

HG/T 2765.4 blue gel indicator, color silica gel and color gel without cobalt

JB/T 9224 standard test foundry sand binder

3 Classification and nomenclature