BS EN ISO 21304-1:2019 Plastics. Ultra-high-molecular-weight polyethylene (PE- UHMW) moulding and extrusion materials Designation system and basis for specifications

Fillers
Reinforcing materials
Classification systems
Data blocks
Polymers
Extruding
Polyethylene
Moulding compounds
Impact strength
Polyolefins
Viscosity
Designations
Thermoplastic polymers
Plastics
Moulding (process)
Moulded materials

Link: BS EN ISO 21304-1:2019 Plastics. Ultra-high-molecular-weight polyethylene (PE- UHMW) moulding and extrusion materials Designation system and basis for specifications
Source: BSI Standards

BS EN ISO 20976-1:2019 Microbiology of the food chain. Requirements and guidelines for conducting challenge tests of food and feed products Challenge tests to study growth potential, lag time and maximum growth rate

Food testing
Microbiology
Certification (approval)
Animal feed
Microbiological analysis
Food products

Link: BS EN ISO 20976-1:2019 Microbiology of the food chain. Requirements and guidelines for conducting challenge tests of food and feed products Challenge tests to study growth potential, lag time and maximum growth rate
Source: BSI Standards

BS EN 50377-18-1:2019 Connector sets and interconnect components to be used in optical fibre communication systems. Product specifications type 4+4×10.3125 Gb/s MPO (QFSP) transceiver mated with an MPO connector equipped with 12 fibre PPS ferrules terminated on EN 60793-2-10 category A1a.3a or A1a.3b 50/125 micron multimode fibre

Fibre optic cables
Optical properties of materials
Mechanical properties of materials
Fibre optics
Optical communication systems
Optical fibres
Environmental testing
Fibre optic connectors
Electronic equipment and components
Communication networks
Dimensions
Duplex transmission
Performance testing
Performance
Attenuation
Environment (working)
Marking

Link: BS EN 50377-18-1:2019 Connector sets and interconnect components to be used in optical fibre communication systems. Product specifications type 4+4×10.3125 Gb/s MPO (QFSP) transceiver mated with an MPO connector equipped with 12 fibre PPS ferrules terminated on EN 60793-2-10 category A1a.3a or A1a.3b 50/125 micron multimode fibre
Source: BSI Standards