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Polymer Solutions for Wind Turbine Rotor Blades

We strive to offer our customers a complete portfolio of products, so all blade finish layers are provided from one single source. Our product mix includes gel coats, filler & putties, topcoats & primers and LEP, with versions for both manufacture and repair of blades. With regard structural products, our portfolio includes bonding paste solutions both in glass filled and toughened technologies to better support all our customer needs.

Our deep material knowhow in both Epoxy and PU chemistry technologies, together with our blade manufacturing expertise in the field, makes us the best partner for your future product developments.Our goal is to get you outstanding materials, in line with the most demanding physical properties performance and in extreme weather conditions. We target to reduce your production takt time while balancing material cost and the overall blade weight.

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Manufacturing Process

Aplication

Technology

Bonding Pastes Range

AROBONDTM 921

Epoxy Glass Filled

Two-components, excellent compromise between curing behavior and open time

Performance & Features
Mix Ratio (by weight) 100:45
Ultimate Tg >90
Sag resistance >20 mm
Open time
Processability

AROBONDTM 931

Epoxy Thoughened

Two-components, High fracture toughness response, low density

Performance & Features
Mix Ratio (by weight) 100:33
Ultimate Tg >75
Sag resistance >20 mm
Open time
Processability

AROBONDTM 911

Repairs

Performance & Features
Mix Ratio (by weight) 100:46
Ultimate Tg >60
Sag restistance 0 mm
Open time
Processability

Fillers & Putties Range

AROFILLTM 903

POLYUTHERANE BASED

Performance & Features
Mix Ratio (by weight) 100:25
Gel time 4-5 min
Sag resistance >4 mm
Drying
Easy to sand

AROFILLTM 890

Epoxy Based

Two-components, Epoxy based, easy to sand, fast curing, smoth surface.

Performance & Features
Mix Ratio (by weight) 100:56
Gel time >35
Sag resistance >4
Fatigue response
Drying
Easy to sand

AROFILLTM 907

Polyurethane Based

Two-components, Polyurethane based, easy to sand and very fast curing time.

Two versions (SLOW and FAST) are available, designed as a pore filler and can be pigmented in different colors (RAL).

Available version for service (repair and maintenance).

Performance & Features
Mix Ratio (by weight) 100:33
Gel time >5 m
Sag Resistance >4
Drying
Easy to sand

AROFILLTM 914

POLYURETHANE BASED

Performance & Features
Mix Ratio (by weight) 100:10
Gel time 10-20 min
Drying

In-mould process coat

AROGELTM 118

LOW UV RESISTANCE

Two-components, traslucent, easy sanding, fast curing, suitable for infusion prepreg/process

Performance & Features
Mix Ratio (by weight) 100:20
Ultimate Tg >90
Gel Time >12
Easy to sand
Drying

AROGELTM 130

HIGH UV RESISTANCE

Two-components, high UV resistance, coloured, easy sanding, suitable for infusion/prepreg process

Performance & Features
Mix Ratio (by weight) 100:19
Ultimate Tg >90
Gel Time >12 min
Easy to sand
Drying

AROGELTM 135

HIGH UV RESISTANCE

Two-components, high UV resistance, traslucent, easy sanding, fast curing, suitable for prepreg/infusion process

Performance & Features
Mix Ratio (by weight) 100:20
Ultimate Tg >90
Gel Time >12
Easy to sand
Drying

Paints and Top Coats Range

AROTOPTM 208

Fast Curing

Performance & Features
Mix Ratio (by weight) 100:11
Gel time 30 min
Sag resistance >300
VOC'S content
Color retention

AROTOPTM 198

Fast Curing

Three-components, fast curing, solvent-based paint, very good surface finish.

Available version (2K) for service (repair and maintenance).

Performance & Features
Mix Ratio (by weight) 100:20
Gel time >4
Sag Resistance >200
VOC'S content
Color Retention

Leading Edge Protection

AROLEPTM 940

Polyurethane Based

Performance & Features
Mix Ratio (by weight) 100:100
Pull-Off adhesion >5 Mpa
Rain erosion resistance 40 hrs until breakthrough at 130 m/s tip speed
Gel time >5 min
Easy to use

AROLEPTM 930

Polyurethane Based

Performance & Features
Mix Ratio (by weight) 100:100
Pull-Off adhesion >5 Mpa
Rain erosion resistance 15 hrs until breakthrough at 130 m/s tip speed
Gel time >7 min
Easy to use

AROLEPTM 920

Polyurethane Based

Two-components, Poliurethane based, fast curing time, proven efficiency, high UV, rain and abrasion resistance

Performance & Features
Mix Ratio (by weight) 100:50
Pull-Off adhesion >5 Mpa
Rain Erosion Resistance at 105 m/s tip speed >16hrs(Small spots of erosion)
Gel time >14 min
Easy to use