OUR COMPOSITES PORTFOLIOTOP SOLUTIONS FOR TOPPERFORMANCE THERMOSETSTS-O 1

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Top solutions for top performance thermosets

Contents
03 Introduction
05 Customer value at all levels
06 Reliable processes, flawless materials
09 Innovation, expertise, and service

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Welcome to ourthermosets business
Fiber-reinforced composites are an integral part ofmany industries and of our daily life. At BYK, wehave been providing the composites industry formany years with tailored additives and customerorientated services in our labs. In this brochure we
provide you with an overview of our portfolio, ourservice, and the business philosophy behind them.
As a globally leading additives manufacturer it is
our main concern to create added value for ourcustomers, regardless of their location. Our
overriding aim is to understand their processes anddeliver solutions which suit these demands in every
respect. Based on our long-standing expertise in
the composites industry, we are able to develop

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innovative answers to new market trends. This isparticularly challenging at a time when the demandfor energy efficiency and sustainability draws new
attention to composite materials. As lightweight
construction captures the mass market for vehicles,
the additives business develops accordingly. With
our fully equipped lab for advanced composites,
we see ourselves well positioned to participate inthis fascinating business sector.
But see for yourself. We invite you to take a closer
look at how our additive portfolio for thermosets
and its related service benefit customers aroundthe world. Maybe, we can support your businessas well.

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Top solutions for top performance thermosets

Our threecomposites
brandsBYKThis is our long-standing main brand. It offers
classic solutions for wetting & dispersing,air release, rheology & viscosity. Additionally,
it comprises dedicated product groups
including coupling agents (BYK-C),
air release agents (BYK-A), wetting anddispersing additives (BYK-W), processing
additives (BYK-P) as well as styrene
emission suppressants (BYK-S).

DISPERBYKDISPERBYK comprises of wetting anddispersing additives based on themultifunctional deflocculating technology.

RHEOBYK
These organic rheology additives modify the flow
behaviour and optimize the rheological propertiesof thermosets.

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Top solutions for top performance thermosets

Customer value at all levels
BYK is the global leader in the additives market for thermosets. Our products
for fiber-reinforced composites are highly regarded within the industry.
Besides their mechanic and esthetic advantages, they are known for their
excellent processing qualities and ease of application.

Serving diverse markets worldwide, we follow a single
mission: to create value for our customers and theircustomers alike. These include resin p­ roducers andformulators as well as component manufacturers, who
apply our additives to improve material properties andto ensure ­efficient production processes.
Our manifold portfolio for composites provides processing
additives, coupling agents, wetting and dispersing additives,
air release agents, rheology additives, surface additives,
styrene emission suppressants, and anti-tack additives.
They are suited to all technologies applied within
the industry, i.e. sheet and bulk molding compounds,
pultrusion, infusion, and hand lay-up.
Applications range from components for lightweight
construction applied in the automotive industry, the truck
and commercial vehicle production to ship- and yacht-building

and sports equipment. Moreover, they entail engineeredstone and polymer concrete as well as components forthe electrics and electronic industries. Last but not least,
our additives optimize the rotor blades of wind turbines.
Our global end-use team Thermosets consists of market,
application, lab, and sales specialists from all regions.
Through close collaborations with direct and indirectcustomers along the value chain, we build and expand ourexpertise con­tinuously. Our profound understanding forthe ­markets we serve puts us in a position to anticipate
new trends and create innovative solutions for the growing
demands of tomorrow.

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Top solutions for top performance thermosets

Reliable processes, flawless materials
Our additives support a wide range of applications from many different
industries. Customers benefit in a number of ways. Our processing additives
help to establish highly reliable production processes, whereas our functional
additives optimize the properties of the end product. The results arecomposites with flawless surfaces and extraordinary mechanical properties.

Automotive industry
The automotive industry employs components based onthermosets for a multitude of applications, e.g. trims, trunklids, or headlamp housings. During sheet and bulk moldcompounding (SMC/BMC), our products help to optimize
production, making these processes highly reliable. Thanks
to their excellent release properties after molding, ourprocessing additives, e.g. BYK-P 9065, deliver immaculatecomponent surfaces. Our wetting and dispersing additives,
notably BYK-W 9010, improve the resin’s flow behavior
during production.

Ship- and yacht-building
Materials used in structural components for the hulls ofships or yachts benefit in many ways from our additives.
For an optimal flow behavior and processing we recommend
RHEOBYK-R 605 in these materials. To ensure the necessary
nonporous properties of gelcoats for the boat’s outer skin,
we recommend the use of our air release agents during
production. BYK-A 555 has proven particularly successful
in this context. Surface additives like BYK-330 improve thematerial’s substrate wetting.
In open mold processes with hand lay-up or spray-up
technologies, our styrene emission suppressants, e.g.
BYK-S 750 N, reduce workplace hazards and optimize
working conditions.

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Top solutions for top performance thermosets

Electro and electronics industry
Electro and electronic applications for our additives involve
circuit boards, components, electrical insulation, andelectrical casting. Here, the challenge is to ensure a perfectflow behavior of the resin during application. Moreover,flawless wetting properties as well as utmost air release areneeded to achieve optimal results. To this end, we provide
BYK-088 for air release, BYK-W 985 for wetting, andBYK-310 for substrate wetting.

Construction businessOur additives improve a variety of materials used in theconstruction business. They include polymer concrete forpiping, artificial or engineered stone as well solid surface
materials used in interiors, e.g. kitchen benches. First andforemost, producers use our coupling agents, e.g.
BYK-C 8000, to improve the material’s mechanical strengthand its load-bearing capacity. Additionally, our wetting anddispersing additives, e.g. BYK-W 908 and BYK-W 909,
contribute to the resin’s optimal flow behavior during
manufacturing.

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Top solutions for top performance thermosets

Advanced composites
Lightweight construction based on carbon fibers is in highdemand within the transportation industry, since theseadvanced composites contribute to the production ofenergy efficient vehicles. Reliable manufacturing processes
for these materials hinge on an immaculate wetting of thefibers to ensure the component’s mechanical strength.
Moreover, perfect wetting is the only way to reduce rejects
to a minimum, if not altogether.
Our innovative additive BYK-C 8013 is specifically designed
for carbon fibers. Its unique chemical composition allows
bonding of those fibers to the resin matrix. As a result, thefinished parts are more resilient. In hot curing processes,
e.g. sheet or bulk molding, pultrusion, prepreg or RTM,
the component’s mechanical strength increases by up
to 70 %. Besides, our processing additive BYK-P 9920
also facilitates optimal fiber wetting.

Sports equipment
Golf clubs or tennis rackets, and fishing rods are mostly
made of carbon fiber-reinforced materials. To improvematerial properties, we recommend this specific wetting
and dispersing additive: BYK-9076. It is particularly suited
to the pultrusion production process.

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Top solutions for top performance thermosets

Wind turbine construction
We support the production of rotor blades for wind turbines
in many ways. Our coupling agent BYK C-8001, a co-polymer
with reactive groups, improves the mechanical strengthand durability of fiber-reinforced resins used in the blades.
Based on our processing additives, our innovative Viscosity
Control Technology (VCT) acts in the bonding pastes
used to join components. Working in sync, Thixbreaker
BYK-P 2710 and Thixbooster BYK-P 2720, help
manufacturers to achieve the desired viscosity ineach processing step.

As first specialty chemicals manufacturer
worldwide, BYK now has in its portfolio
an additive with Germanischer Lloydcertification: BYK-C 8001. This means
manufacturers of wind turbines canuse the polymer coupling agent without
further testing in their glass fiber
reinforced epoxy resin systems – animportant element in resource efficiency
on the globally booming market forwind power.

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Innovation,
expertise,and service –on your doorstep

Being close to our customers is key to our success. With 17 production sites
plus 35 laboratory locations over five continents, our global presence isunrivalled in the industry. Our innovation centers in Germany and the USA
focus on solutions which help our customers to address new market trends.
Often these trends are related to sustainability issues, to energy efficiency,
and climate change, but also to changing demographics and d­ igitization.
Our technical service, which we offer to customers around the world,
is globally unique. In sum, this organization lays the basis for delivering
our expertise directly to our customers.

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Top solutions for top performance thermosets

Hands-on support

Global regulatory service

In our application labs we provide hands-on support.
We use state-of-the-art equipment to replicate production
conditions at our customers and run tests of our additives
in their formulations and applications. This helps to identify
the additive best suited.

With our Global Regulatory Service, we help our customers
to meet all aspects related to product safety, productstewardship, and the registration of chemical substances.
This also applies to rules regarding food contact, toy
compatibility as well as other health and safety issues.

For sheet molding compounds, we use our own SMC line
and a 1,000-ton press to test our additives. To examine
formulations for rotor blade components, we employ ourinfusion line, and for construction applications, e.g. pipes,
we have a fi
­ lament winder. With our static and dynamictesting machine, we are able to verify the mechanical loads
that lightweight components refined with our additives
can bear. This service often saves R&D efforts on ourcustomers´ part.

Based on our commitment to product stewardship,
we provide a BRIEF document (BYK Regulatory Information
Extensive Form) for each additive. This data sheet contains
all the relevant international regulatory data plus further
information on product safety.

Innovation plays a major role at BYK.
A fifth of our employees work in jobs
related to R&D. We invest eight percentof our annual sales into R&D and new
products respectively, which is morethan the average in our industry.

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TS-O 1BYK-Chemie GmbH
P.O. Box 10 02 4546462 Wesel
GermanyTel +49 281 670-0
Fax +49 281 65735

ADD-MAX®, ADD-VANCE®, ADJUST®, ADVITROL®, ANTI-TERRA®, AQUACER®, AQUAMAT®, AQUATIX®, BENTOLITE®, BYK®, BYK®-DYNWET®,
BYK®-MAX®, BYK®-SILCLEAN®, BYKANOL®, BYKETOL®, BYKJET®, BYKO2BLOCK®, BYKOPLAST®, BYKUMEN®, CARBOBYK®, CERACOL®, CERAFAK®,CERAFLOUR®, CERAMAT®, CERATIX®, CLAYTONE®, CLOISITE®, DISPERBYK®, DISPERPLAST®, FULACOLOR®, FULCAT®, GARAMITE®, GELWHITE®,
HORDAMER®, LACTIMON®, LAPONITE®, MINERAL COLLOID®, MINERPOL®, NANOBYK®, OPTIBENT®, OPTIFLO®, OPTIGEL®, POLYAD®, PRIEX®,
PURE THIX®, RECYCLOBLEND®, RECYCLOBYK®, RECYCLOSSORB®, RECYCLOSTAB®, RHEOBYK®, RHEOCIN®, RHEOTIX®, SCONA®, SILBYK®,TIXOGEL®, VISCOBYK® and Y 25® are registered trademarks of the BYK group.

info@byk.com
www.byk.com

The information herein is based on our present knowledge and experience. The information merely describes the properties of our products but noguarantee of properties in the legal sense shall be implied. We recommend testing our products as to their suitability for your envisaged purpose
prior to use. No warranties of any kind, either express or implied, including warranties of merchantability or fitness for a particular purpose, are maderegarding any products mentioned herein and data or information set forth, or that such products, data or information may be used without infringing
intellectual property rights of third parties. We reserve the right to make any changes according to technological progress or further developments.
This issue replaces all previous versions.