DYHARD® cure systems

Product range
Composites
Adhesives
Powder coatings
Circuit boards
Contact

Used in the automotive and aviation industry, in sports equipment production as well as in the electronic industry

Product range

Our DYHARD® additives perform in composites and adhesives within the automotive and aerospace industries. Furthermore, they find application in the manufacturing of sports equipment as well as in industrial and decorative powder coatings, ensuring both functional and aesthetic qualities.

The DYHARD^®product range consists of 6 product lines
DYHARD® CU-Line	Latent curing agents
DYHARD® CAT-Line	Imidazol and uron accelerators
DYHARD® MB-Line	Master batches of curing agents or uron accelerators in epoxy resin
DYHARD® PM-Line	Premixes of curing agents and accelerators
DYHARD® LI-Line	Liquid latent curing agents
DYHARD® SYS-Line	Systems of formulated epoxy resin + curing agent

The mixture makes the difference

DYHARD^® for composites

Glass or carbon fabrics are impregnated with a mixture of epoxy resins, hardeners and accelerators. These so-called prepregs are pre-cured and subsequently stored at low temperatures (-18°C). After the prepregs have been cut to size, they are hardened in a mold at temperatures between 100°C and 140°C in an autoclave or press. These types of composites are used in the aviation and automotive industries, in the production of rotor blades for wind power stations and for manufacturing sports equipment such as bicycle frames, tennis rackets and golf clubs.

DYHARD^® product range

DYHARD® CU-LINE
Latent curing agents	DYHARD® 100S, DYHARD® 100SH, DYHARD® 100SF

DYHARD® LI-LINE
Latent liquid curing agents	DYHARD® Fluid 111

DYHARD® MB-LINE
Master batches	DYHARD® D50EP, DYHARD® DF50EP

DYHARD® CAT-LINE
Uron based accelerators	DYHARD® UR200, DYHARD® UR300, DYHARD® UR400, DYHARD® UR800, DYHARD® URAcc13, DYHARD® URAcc57
Imidazol based accelerators	DYHARD® PI, DYHARD® PI-FF

DYHARD® PM-LINE
Premixes	DYHARD® MCA10

DYHARD® SYS-LINE
Filament Winding
Formulated epoxy resin	DYHARD® RF2200
Latent liquid curing agent	DYHARD® Fluid 222

Best properties due to the finest possible grain size

DYHARD^® for adhesives

The crucial requirement for adhesive components is to have a long shelf life even at higher temperatures. This means that the accelerators used in the mixture with epoxy resins, hardeners and fillers must have a very special reactivity profile such as high latency at room temperature and enough reactivity at elevated temperatures.

As adhesives are applied in thin layers, they require stable hardeners with a low particle sizes. DYHARD^® hardeners are micronized to a particle size of d98 ≤ 6µm.

The resulting “reactive hot melts”, or single component adhesives, are used as structural adhesives, particularly in the automotive industry, in which they replace conventional technologies such as riveting and welding.

DYHARD^® product range

DYHARD® CU-LINE
Latent curing agents	DYHARD® 100S, DYHARD® 100SH, DYHARD® 100SF

DYHARD® CAT-LINE
Uron based accelerators	DYHARD® UR300, DYHARD® UR400, DYHARD® UR800, DYHARD® URAcc13

DYHARD® MB-LINE
Master batches	DYHARD® D50EP, DYHARD® DF50EP

melted, dispersed and then milled

DYHARD^® for powder coatings

Powder coatings are manufactured from solid resins, pigments and fillers together with hardeners and accelerators. The raw materials are premixed, then melted, dispersed in an extruder and subsequently milled. Powder coatings are applied in a process called electrostatic spray deposition (ESD). This application method uses a spray gun, which applies an electrostatic charge to the powder particles, which are then attracted to the grounded part. The coated part is subsequently hardened in an oven at high temperatures. Powder coatings are very environmentally friendly as they avoid solvents and reduce waste.

DYHARD^® product range

DYHARD® CU-LINE
Hardeners	DYHARD® 100, DYHARD® 100M, DYHARD® 100S
High gloss hardeners	DYHARD® OTB
Matt hardeners	DYHARD® PIN & DYHARD® CAAB

DYHARD® CAT-LINE
Imidazol based accelerators	DYHARD® MI-C / DYHARD® MI-FF, DYHARD® PI / DYHARD® PI-FF, DYHARD® MIA S

DYHARD® PM-LINE
Premixes	DYHARD® MCA30, DYHARD® MCA40, DYHARD® MCA45

Printed circuit boards made of fiberglass fabrics

DYHARD^® for printed circuit boards

The laminates used for printed circuit boards are usually manufactured from glass fiber fabrics which are impregnated with epoxy resins, hardeners and accelerators. The impregnated glass fiber fabrics are dried and pre-cured in hot-air furnaces. Several such pre-impregnated layers are laminated together at high pressure and cured at high temperatures into circuit boards. DYHARD^® products can be used to meet FR-4, FR-3, CEM-1 and CEM-3 standards.