Plastics. Polystyrene (PS) moulding and extrusion materials - Designation system and basis for specifications1 Scope This document establishes a system of designation for polystyrene thermoplastic material, which can be used as the basis for specifications. The types of polystyrene plastics are differentiated from each other by a classification system based on appropriate levels of the designatory properties: a) Vicat softening temperature, and b) melt mass flow rate. and on information about the intended application and or method of processing, important

National governing bodies and related organizations

What is BS 949-4 - Dimensions for ground thread taps about

some of which are described in various parts of IEC 60169

to control fire development and to reduce the accumulation of heat

PD IEC/TR 62474-1 specifies the procedure

This document applies to single-core cross-linked insulated power cables with cross-linked sheath

you are provided with a basic level of safety test methodology and criteria with general versatility

― pumps and pump units specially designed for military or police purposes

The cartridge yield is determined by an end-of-life judgment or signalled with either of two phenomena: fade

pieces of bonding wire

project management and risk management

information is sent to the optical amplifier