BS EN ISO 15494:2018 Plastics piping systems for industrial applications. Polybutene (PB), polyethylene (PE), polyethylene of raised temperature resistance (PE-RT), crosslinked polyethylene (PE-X), polypropylene (PP). Metric series for specifications for components and the system

Testing conditions
Polymers
Polybutylene
Electrical insulating materials
Insulated cables
Pipe fittings
Polypropylene
Plastics
Liquid electrical insulating materials
Polyethylene
Pipes
Electric cables

Link: BS EN ISO 15494:2018 Plastics piping systems for industrial applications. Polybutene (PB), polyethylene (PE), polyethylene of raised temperature resistance (PE-RT), crosslinked polyethylene (PE-X), polypropylene (PP). Metric series for specifications for components and the system
Source: BSI Standards