Diab

Diab is a Swedish company that makes core materials for sandwich composite structures. It was founded in Sweden in 1950 and its office is on Drottninggatan in Helsingborg. The company says it has seven manufacturing sites and fourteen sales companies around the world.

Products

• Divinycell PVC foam cores, an all-purpose range in grades H, HP, HM, HT, MC, MX and HCP
• Divinycell PET foam, a recyclable thermoplastic core
• Divinycell PES foam, described by the company as suited to commercial aircraft interiors and recyclable
• Divinycell PEI foam, described as suited to radomes, antennas and structural components
• Balsa core
• Flow and Form, for easier processing

Services

• Finishing and kitting, including pre-cut parts
• Diab Engineering Services
• Sandwich calculation tools and a core selection guide through the MyDiab portal
• Technical support for sandwich design and manufacturing methods

Aviation uses

The company lists general aviation and business jet structures, urban air mobility, nacelles and spinners, and radomes among its applications. Its foams can be processed by closed moulding, infusion, prepreg, hand lay-up and vacuum infusion.

Company facts

• Founded in 1950 in Sweden
• Markets include wind energy, marine, aerospace, transport, defence and construction
• Holds a gold EcoVadis sustainability rating, awarded in 2026 for the second year in a row
• Committed to the UN Global Compact since 2015