IS 3669 : 1994 Melamine-Formaldehyde Moulding Materials - Specification

UDC 678.652.737.21.033.3                                     PCD12

Reaffirmed 2020

1 Scope

This standard prescribes the requirements and the methods of sampling and tests for various types of melamine-formaldehyde moulding materials which have been further subdivided into different grades based on property levels and requirements.

2 Normative References

IS 335 : 1983 Insulating oils

IS 2221 : 1962 Methods of test for aminoplastics moulding materials

IS 2259 :1963Methods of test for the determination of insulation resistance of solid insulating materials

IS 2584 : 1963Method of test for electric strength of solid insulating materials at power frequencies

IS 2824 : 1975 Method for determining the comparative tracking index of solid insulating materials under moist conditions

IS 2828 : 1964 Glossary of terms used in the plastics industry

IS 3389 : 1994Ureaformaldehyde moulding materials

IS 4486 : 1967Recommended methods for the determination of the permitivity and dielectric dissipation factor of electrical insulating materials at power, audio and radio frequencies including metre wavelenghts

IS 13360 : Part 1 : 1992Plastics - Methods of Testing: Part 1 Introduction

IS 13360 : Part 2 : Sec 4 : 1993 Plastics - Methods of Testing: Part 2 Sampling and Preparation of Test Specimens Section 4 Preparation of test specimens by machining

IS 13411 : 1992Glass reinforced polyester dough moulding compounds