Diab JEC Topbanner BG Startsida 1200X528 260313 Diab JEC Topbanner Landningssida MOBIL 1364X2000 260313

CORE MATERIALS AND BUOYANCY FOAMS FROM SPACE TO SEABED

We offer industry-leading competence and 75 years of experience together with the broadest range of stronger, lighter, smarter core materials.
We are always at the core of your solution.

Latest from Diab

News
2026-04-08

Sustainability report 2025

We are proud to present 2025 year's sustainability report, showcasing our transparency and unwavering commitment to sustainability.

Read more
News
2026-02-25

Diab and CompPair partner on healable composite sandwich structures for aerospace and mobility applications

Healable sandwich structures, combining Diab’s Divinycell core materials with CompPair’s HealTech™ ultra-fast composite repair technology.

Read more

Products

Diab Divinycell PVC Core Materials

Divinycell - PVC

High-performance PVC foam core materials with excellent strength-to-weight properties.

Discover our PVC products
Diab Divinycell PET Core Materials

Divinycell - PET

Thermoplastic recyclable PET foam core material suitable for many applications.

Discover our PET products
Diab Divinycell PVC Core Materials

Divinycell - PES

Recyclable PES foam core material perfectly suitable for commercial aircraft interiors.

Discover our PES products

Divinycell - PEI

Recyclable PEI foam core perfectly suitable for radomes, antennas and structural components.

Discover our PEI products

Markets

Diab Sailing Boat

Sailing boats

Optimised foam core solutions tailored to reduce weight and improve sailing performances.

Read more

Motor boats

Light-weight materials for small boats to mega yachts, for pleasure or racing.

Read more
Diab core materials for Commercial Boats

Electric boats

Lightweight core materials for battery-powered ferries, personal watercraft and private fishing boats.

Read more
Diab core materials for Seingen electric fishing boat

Commercial vessels

Our core materials make ships, ferries, pilot boats, fishing vessels, rescue crafts, etc. faster and more fuel efficient.

Read more

Navy vessels

Composite materials for a lighter and faster vessel with low radar transmission properties.

Read more
Diab Other Marine

Other marine

Materials with good fatigue life for rowboats for racing and leisure, surfboards, kayaks and canoes.

Read more
Diab core materials for applications in commercial aviation

Seating

Reduce weight, improve efficiency, and enhance passenger experience with innovative core solutions for aircraft seating

Read more

Cabin interiors

Reduce weight, improve efficiency, and enhance passenger experience with innovative core solutions for cabin interiors.

Read more
Diab core materials for applications in general aviation

General aviation & biz jet structures

Light-weight core materials supporting high-performance primary and secondary structures in general aviation and biz jet structures

Read more
Diab core materials for trolleys

Trolleys

Food trolleys, galley inserts and air containers benefit from light-weight core sandwich solutions.

Read more
Diab core materials for radomes

Radomes

Materials with excellent dielectric properties for weather radomes and satcom/Wifi radomes.

Read more
Diab core materials for applications in urban air mobility

Urban Air Mobility

Light-weight materials for UAM and eVTOL aircraft, a new way to transport passenger and goods

Read more

Space systems

Reliable core solutions for composite components in space systems

Read more

ROVs

Reliable buoyancy solutions for ROVs

Read more

AUVs & UUVs

Advanced materials for AUVs & UUVs

Read more

Submarines

High-performance buoyancy foam and sandwich core solutions

Read more

Diving bells

Reliable buoyancy for human presence underwater

Read more

Buoyancy for floats and tooling

Precision buoyancy for subsea systems

Read more

Offshore installation

Buoyancy solutions for offshore installation

Read more

Wave & Tidal energy

Resilient cores for renewable innovation below the surface

Read more
Diab core material for wind blade design and construction

Blades

Blades made of core materials significantly contribute to the effectiveness of wind turbine generators.

Read more
Diab core material in nacelles and spinners

Nacelles & Spinners

Core materials with excellent strength-to-weight ratio are ideal for nacelle roofs, floors and walls.

Read more

Passenger cars

Core solutions that reduce weight and enhance durability in passenger cars

Read more

Electric vehicles

Lightweight, durable materials to power the future of electric mobility

Read more

Recreational vehicles

High-performance core materials for modern motorhomes and caravans

Read more

Goods transport

Lighter composite materials boost payload, cut fuel use, and extend the lifetime of goods transport applications.

Read more

Public transport

Core materials for public transport help reduce weight, improve insulation, and meet strict fire safety standards.

Read more
Diab Core materials for cryogenic insulation

LNG vessels and land-based storage tanks

Core solutions for LNG vessels and land-based storage tanks

Read more
Diab core material in Envirotainer

Shelters & Containers

Core materials for shelters and containers in demanding environments

Read more
Diab core materials for surfing boards

Sports & leisure

High-end core materials for surfing boards, wakeboards, hockey sticks and high-end bicycle details.

Read more
Diab core materials for building and construction

Facades

Innovative facade solutions for bold and beautiful architecture

Read more

Roofs & Domes

Core solutions for iconic roofs and domes

Read more

Architecture & Interior design

Strong and lightweight core materials for architecture, interiors, and furniture design

Read more

Infrastructure

Lightweight, durable materials for modern infrastructure

Read more

Join MyDiab

MyDiab

Join MyDiab, get access to all tools and find out more about how you can get the most of your application.

Sign up!

Tools in MyDiab

How strong is your sandwich panel? Find out with the Sandwich Calculation Tool

Find out more
At Diab sustainability is in our core

Sustainability

Sustainability is one of our top business priorities and we strive to further improve our performance.

Learn more
News from Diab

News & Press

Visit us regularly to get the latest Diab news and interesting facts about core materials.

Read more
Meet Diab at events around the world

Events

Would you like to find out how we can help you make your products lighter, stronger and smarter? Meet us here!

Meet us here

Contact

Do you have any questions or are you ready to dig deeper into your projects with one of our experts? We are here for you.

Contact us

WeChat