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Carbon & Glass SparPreg
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Catalog excerpts

Carbon & Glass SparPreg - 1

General Datasheet Carbon & Glass SparPreg™ FEATURING AIRSTREAM™ TECHNOLOGY ¬ Excellent handling and mould conformance characteristics up to 35°C (95ºF) Extremely low void content in any thickness without cold lay-up or de-bulking Cure cycles can be optimised to enable 130ºC (266ºF) Tg infusion grade tooling Suitable for automated lay-up INTRODUCTION SparPreg™ featuring Airstream™ coating technology is a specialised prepreg, developed to enable the economic manufacture of unidirectional spar caps for more demanding blade designs. Conventional prepregs are processed using vacuum bag technology to remove the air between the plies prior to consolidation and cure. As laminate thickness increases it is difficult to maintain high quality, low void content laminates without the use of multiple debulking steps and/or the use of high pressure autoclaves to consolidate the plies. The size of spar caps and low manufacturing cost targets make such complex processing or expensive capital investment uneconomical. It is for this reason that Gurit has developed a specialised prepreg range to enable the cost effective manufacture of high quality large structures for the wind energy market. SparPreg™ has been developed using a specialised coating technology to give the combination of: Air venting structure on the prepreg surface Controlled level of tack and handling properties Mechanical performance consistent with uncoated prepregs

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Carbon & Glass SparPreg - 2

PRODUCT INFORMATION SparPreg™ with Airstream™ coating technology can be supplied with a range of fibre types to suit the application. Due to the low tack nature of this product it may also be supplied without a backer depending on the suitability of the application process. SparPreg™ with Airstream™ coating technology allows the customer to lay-up thick UD sections and achieves extremely low void content in any thickness without cold lay-up, de-bulking or dry fabric /scrim to remove air from between the plies. This product can be supplied in various formats and with a range of fibre types...

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Carbon & Glass SparPreg - 3

LAMINATE PROPERTIES All data presented in this datasheet is based on the mechanical testing of a single batch of material. UNIDIRECTIONAL CARBON LAMINATE Cured using recommended minimum cure of 45 minutes at 120°C (250°F). PROPERTY SPARPREG™ WITH AIRSTREAM™ TEST STANDARD Fabric / Fibre Description Resin Content Cure Method Cure Schedule Glass Transition Temperature 0° Tensile Cured Fibre Volume 0° Tensile Strength (Normalised to 56%) 0° Tensile Modulus (Normalised to 56%) 90° Tensile Cured Fibre Volume 0° Compressive Str. Fibre Volume 0° Compressive Mod. Fibre Volume 0° Compressive Modulus...

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Carbon & Glass SparPreg - 4

UNIDIRECTIONAL GLASS LAMINATE Cured using recommended minimum cure of 45 minutes at 120°C (250°F). UR1200 WITH AIRSTREAM™ High Modulus R-Glass High Modulus R-Glass Resin Content Cure Method Fabric / Fibre Description Cure Schedule Cured Ply Thickness 0° Tensile Cured Fibre Volume 0° Tensile Strength (Normalised to 56%) 0° Tensile Modulus (Normalised to 56%) 90° Tensile Cured Fibre Volume 0° Compressive Str. Fibre Volume 0° Compressive Mod. Fibre Volume 90º Compressive Str. Fibre Volume 90º Compressive Mod. Fibre Volume SACMA SRM1-94 ASTM D 3171 Method II SACMA SRM1-94 ASTM D 3171 Method II...

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Carbon & Glass SparPreg - 5

NOTICE All advice, instruction or recommendation is given in good faith but the Company only warrants that advice in writing is given with reasonable skill and care. No further duty or responsibility is accepted by the Company. All advice is given subject to the terms and conditions of sale (the Conditions) which are available on request from the Company or may be viewed at the Company’s Website: www.gurit.com/terms-and-conditions.aspx. The Company strongly recommends that Customers make test panels and conduct appropriate testing of any goods or materials supplied by the Company to ensure...

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