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SparPreg
- UD prepreg ideal for use in thick sections
- Very low void content laminate achievable without debulking/dry fabric
- Increased productivity, reduced weight & cost for manufacturers
- Excellent processing properties during lamination
- Fully compatible with current SPRINT®/prepreg products
- Excellent mechanical properties
- Recommended cure between 85ºC and 120ºC
- Out-of-autoclave curing
SparPreg® is an innovative new UD prepreg to compliment the current WE and WT range of prepreg, SPRINT®, and AIRSTREAM™ products. This unique product range provides technically and commercially competitive engineering materials, ideal for use either solely, or in conjunction with other Gurit products from within the range.
SparPreg® is ideal for use in thick UD sections, such as wind turbine blade spars and roots. The material can produce laminates of exceptional quality with low void content, without the need for debulking or additional dry fabric reinforcement to aid air removal. This allows the blade manufacturer to increase productivity, and reduce blade weight and cost.
SparPreg® is a high flow, Diuron-free epoxy prepreg. It can be cured at temperatures as low as 85°C, but can also be used for the rapid manufacture of components through its 45-minute cure at 120°C.
SparPreg® has been specially formulated to achieve the outstanding in-cure and mechanical performance of the WE91 prepreg systems. It is designed for vacuum bag processing and can be used with glass and carbon fibre unidirectional reinforcements. The material can be manufactured in large volumes in order to make it a cost-effective composite building block for a range of applications.
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WT93 SPRINT®
- Award winning SPRINT® matrix
- Long outlife at room temperature
- Zero volatile/solvent content
- Improved health and safety: Diuron-Free
- Available with a range of reinforcements
- Suitable for a range of pressures
- Controllable in thick sections
- Low exothermic properties
- Recommended cure between 85ºC and 120ºC
- Excellent laminate quality, low bleed
WT93 is part of the WE and WT range of prepreg, SPRINT®, and AIRSTREAM™ products. This unique product range provides technically and commercially competitive engineering materials, ideal for use either solely, or in conjunction with other products from within the product range along with other Gurit products.
WT93 is a hot melt, Diuron free epoxy SPRINT® ideally suited to the manufacture of thick sections. It can be cured at temperatures as low as 85°C, but can also be used for the rapid manufacture of components through its 45-minute cure at 120°C. All of this can be achieved together with an out-life of 75 days at 21°C.
WT93 is designed for vacuum bag processing and offers excellent mechanical performance on glass fibre reinforcements. Currently WT93 is manufactured into a SPRINT® structure with E-glass fibres, which are manufactured into biax or triax materials, these are produced in large volumes in order to make it a cost-effective composite building block for a range of applications.
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PHG840(M850-37) - Prepreg materials for railway parts
Components for rail interiors include items like ceilings, floorings, bulkheads, vestibules, fire barriers, interior wall panels, window surrounds, doors, staircases, and luggage bins or racks.
Phenolics are progressively finding their way into railway interior applications to meet increasing and ever more stringent fire, smoke, and toxic fume requirements that most nations apply to passenger railway vehicles operating within their borders.
For further weight reduction, traditional monolithic laminates are replaced more and more with lightweight sandwich constructions with prepreg and honeycomb or foam core.
-Gurit PHG840 rail interior prepregs are a perfect choice to meet today’s railway cost and performance targets:
- Fulfilment of Italian, Spanish, British, French and German rail fire regulation.
- Flexible, autoclave-free processing.
- Fast curing-cycle.
- Very good surface finish.
- White colour after cure for superior cosmetics.
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SE 70 - Low Temperature Cure High Toughness Epoxy Prepreg System
- Low temperature 70°C curing
- Faster cycle times at elevated temperature
- Excellent balance of mechanical properties and toughness
- Long outlife - up to 4 weeks @ 18-22°C
- Range of compatible adhesive films and ancillary products
- Excellent surface finish
- Good Tg
- Suitable for vacuum bag, press or autoclave consolidation
SP’s SE 70 is a hot melt, low temperature cure, epoxy prepreg system. It has been developed for use in the construction of large components using low energy cure cycles. Excellent properties can be achieved with a processing temperature of just 70°C. At this cure temperature the system exhibits very good mechanical properties and excellent toughness.
Cure temperature for a 16 hours cure cycle is 70°C - this temperature allows less expensive tooling and ovens to be used, with lower thermal movement and distortion. Faster cures are available from higher cure temperatures. However, thicker sections (>10mm) will require the insertion of a suitable dwell into the cure cycle. Up to 20mm thick laminates may be moulded at 70°C with a peak exotherm only slightly above the cure temperature.
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PB1000 - Modified Benzoxazine Resin
-Next Generation Prepreg for Aircraft Interiors
- Fibre reinforced thermosetting preimpregnated material for aircraft interior parts
- No free phenol and formaldehyde, fulfils AP2091
- Non-volatile curing, 140°C / 45min, 160°C / 15min
- Outstanding surface quality
- Excellent FST and Heat Release behaviour, fulfils ABD0031
- Improved mechanical properties
- Long shelf and shop life
Gurit is proud to present its next generation of aircraft interior prepregs based on PB1000. PB1000 is a modified benzoxazine resin that is without free formaldehyde and phenol and satisfies the most recent environmental standards like AIRBUS AP2091. It features a non-volatile, rapid cure, generating a perfect void and porous free surface, through which time and cost consuming rework, is eliminated.
Gurit’s novel PB1000 fully complies with demanding international JAR/FAR fire protection regulations regarding flammability, smoke, toxicity (FST) and heat release. Due to its excellent mechanical performance, PB1000 is perfectly suited to fulfil present and forthcoming stress criteria for interior design.
Meeting increasing demands on cost efficiency in aircraft interior manufacturing, PB1000 is also designed for commonly used fast hot-in / hot-out curing processes. This unique material performance combined with a competitive cost price level makes PB1000 an advantageous choice for aircraft interior applications and is clearly capable to replace phenolic systems.
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ST 70FR - Fire Retardant Glass Structural SPRINT®
- Award winning SPRINT® matrix
- BS476 parts 6 & 7 - best possible “Class 0” Rating
- BS6853 Annex B2 - R = 0.90 - 1.20
- Low smoke toxicity
- Suitable for rail, marine and civil engineering structures
- Self extinguishing
- Halogen-free
- 70C Curable
- Suitable for Lloyds and MCA Compliant Structures
- Suitable for monolithic and sandwich structures
- Long outlife at room temperature
- Excellent laminate quality, from vacuum-only processing
- Fire retardant : meets FAR25.853 12 second & 60 second vertical burn
: meets MVSS 302
ST70FR is part of the range of SPRINT® products. This unique product range provides technically and commercially competitive engineering materials, ideal for use either solely, or in conjunction with other products from within the product range along with other SP products from Gurit.
ST70FR is a fire retardant hot melt, Diuron free epoxy SPRINT®. This is ideally suited to the manufacture of thick sections requiring fire protection. It can be cured at temperatures as low as 70°C, but can also be used for the rapid manufacture of components through its 25-minute cure at 120°C. All of this can be achieved together with an outlife of 28 days at 21°C.
ST70FR is designed for vacuum bag processing and offers excellent mechanical performance on glass fibre reinforcements. Currently ST70FR is manufactured into a Single Sided SPRINT® structure primarily with fibreglass reinforcements such as woven WRE581T, WRE850T fabrics and multiaxial XE905 and QE1174 stitched fabrics. Other styles will be available to order.
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EP137
- Fiber reinforced thermosetting preimpregnated materials for aircraft parts(e.g.passenger floor).
- Woven fabric of E-glass filament yarn Style 0180, 48 g/m2, plain weave, preimpregnated with 40% epoxy resin EP137 (125°).
- Low-smoke, highly toughened and self-extinguishing epoxy resin system
- Very good FST behaviour
- Excellent adhesion to core materials
- Improved storage conditions at -5°C
EP137-03-40 consists of a E-glass fabric Style 0180, impregnated with the epoxy resin EP137. The highly-toughened resin matrix is a 125°C curing system with a high flameretardancy and low smoke behaviour at fire and provides excellent properties such as high interlaminar shear strength, adjustable tackiness and retarded flow during processing.
The prepreg is perfectly suitable to complement high performance light-weight composite structures meeting the highest requirements of structural interior applications as such as the passenger floor where it is used as a top layer to avoid electro-galvanic corrosion of carbon structure with aluminium and improve overall impact behaviour of the panels.
Both monolithic and sandwich structures can be easily manufactured with this prepreg. The curing can be performed by press, vacuum and autoclave moulding at a temperature range between 120°C and 155°C and a pressure of at least 0.07 MPa.
Such composite structures can be exposed easily to temperatures in the range of -55°C up to +90°C.
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L-701 is a 250°F (121°C) curing, high peel strength, flame retardant, epoxy prepreg available on aramid fabrics such as 285 style or other styles as requested. L-701 is intended to be used as a single ply or multiple ply skin for aramid/phenolic honeycomb, aluminum honeycomb or PVC foam core sandwich panels.
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L-901 is a 250°F (121°C) curing, high peel strength, flame retardant, epoxy prepreg available on a broad range of graphite fabrics or hybrid fabrics. L-901 is intended to be used as a single ply or multiple ply skin for aramid/phenolic honeycomb, fiberglass honeycomb or PVC foam core sandwich panels.
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SGL Group operates the most up-to-date facilities for the production of pre-impregnated materials. Our unidirectional SIGRAFIL® prepregs are based on carbon fibers, and our SIGRATEX® fabric prepregs are made from carbon fiber fabrics.
By acquiring epo gmbh and the prepregs brand PREDO®, we have expanded our product portfolio as well as our core competency in the field of pre-impregnated materials.
* SIGRATEX® fabric prepregs
* SIGRAFIL® unidirectional prepregs
* PREDO® prepregs (For further information on the product, please refer to related subjects)
The fiber type is the main factor determining the strength, Young's modulus and other important properties of fiber composite products. The reinforcement fibers are precisely aligned and economically combined with the resin matrix.
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Nelcote Advanced Composite Prepregs
> Global manufacturing and supply chain management experience - Park's 50+ years in Advanced Materials
> Structural design databases, including FAA accepted AGATE design allowables for key composite materials
> Nelcote composite materials are available in a variety of reinforcements and product forms including broadgoods, unidirectional tapes, biased tapes and molding compounds
> A broad range of resin chemistries are available including epoxy, polyester and phenolic resins
> Customer focused company with a history of proven successes with large and small customers
> Quality Management System Based on ISO 9002 and AS 9000 standards and procedures
> Extensive technical, research and development resources
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L-925 is a 275°F (135°C) curing phenolic prepreg with excellent fire smoke and toxicity properties. L-925 is available on 3K70P style graphite fabric or other styles of fabric as requested. L-925 is intended to be used as a single ply or multiple ply skin for aramid/phenolic honeycomb or aluminum honeycomb sandwich panels.
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Phenolic / Carbon Ablative Prepreg
Carbon-loaded resin system. Combines high-strength and ablative properties
for demanding applications. Low thermal expansion. Also available in a low
density version
Applications: Ablative rocket nozzles, Combustion chambers, Heat shields, Rocket
motor throat sections
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Isovolta AG provides different Epoxy Prepreg systems for special purposes:
Some examples for our Epoxy Prepreg Systems are:
Isopreg KB
Isopreg HT
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Prepregs – "PRE-imPREGnated sheet materials" are fibrous materials impregnated with reactive resin materials. Prepregs are the ideal starting material for lightweight yet high-strength constructional parts thanks to the diverse ways of processing these further.
Characteristically, the prepreg resins are in the still very reactive B stage, are of medium to high viscosity and can thus be processed without any problems by supplying energy and moulding to shape at the same time. The low-molecular and still fusible resins are transformed here to a high-molecular non-fusible C state. The KREMPEL prepreg systems are based on multifunctional, specially modified epoxy resins and a curing which although latent at room temperature, is a highly reactive system at higher temperatures. Structural components having very good mechanical properties can be fabricated with glass, carbon and aramide fibres.
This is a controlled process and we can adjust the resin system exactly to the conditions required for further processing.
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ISOCARBON is a rigid carbon reinforced epoxy laminate which covers a broad spectrum of applications with the resin systems developed by ISOVOLTA AG. ISOCARBON with the high temperature resisting epoxy resin EPOLACK 1069 allows long term applications up to 200°C.
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Texipreg® includes prepregs from fabrics, multiaxial and unidirectional tapes by using resin systems in-house designed and manufactured, based on epoxy, phenolic and thermoplastic matrix.
Texindustria® and Saatilar® products can be impregnated.
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Nelcote Advanced Composite Prepregs
> Global manufacturing and supply chain management experience - Park's 50 years in Advanced Materials
> Structural design databases, including FAA accepted AGATE design allowables for key composite materials
> Nelcote composite materials are available in a variety of reinforcements and product forms including broadgoods, unidirectional tapes, biased tapes and molding compounds
> A broad range of resin chemistries are available including epoxy, polyester and phenolic resins
> Customer focused company with a history of proven successes with large and small customers
> Quality Management System Based on ISO 9002 and AS 9000 standards and procedures
> Extensive technical, research and development resources
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L-501 is a 250°F (121°C) curing, high peel strength, flame retardant, epoxy prepreg available on fiberglass fabrics such as 7781 style or other styles as requested. L-501 is intended to be used as a single ply or multiple ply skin for aramid/phenolic honeycomb, aluminum honeycomb or PVC foam core sandwich panels.
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Nelcote Advanced Composite Prepregs
> Global manufacturing and supply chain management experience - Park's 50 years in Advanced Materials
> Structural design databases, including FAA accepted AGATE design allowables for key composite materials
> Nelcote composite materials are available in a variety of reinforcements and product forms including broadgoods, unidirectional tapes, biased tapes and molding compounds
> A broad range of resin chemistries are available including epoxy, polyester and phenolic resins
> Customer focused company with a history of proven successes with large and small customers
> Quality Management System Based on ISO 9002 and AS 9000 standards and procedures
> Extensive technical, research and development resources
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Nelcote Advanced Composite Prepregs
> Global manufacturing and supply chain management experience - Park's 50 years in Advanced Materials
> Structural design databases, including FAA accepted AGATE design allowables for key composite materials
> Nelcote composite materials are available in a variety of reinforcements and product forms including broadgoods, unidirectional tapes, biased tapes and molding compounds
> A broad range of resin chemistries are available including epoxy, polyester and phenolic resins
> Customer focused company with a history of proven successes with large and small customers
> Quality Management System Based on ISO 9002 and AS 9000 standards and procedures
> Extensive technical, research and development resources
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Description:
The CN-resin system basing on cyanatester was especially developed for high temperature applications up to 400°C. ISOPREG CN-prepregs find many other applications due to their low water uptake and the outstanding flame resisting properties. ISOPREG CN prepregs are available from dry to tacky and suitable for pressing and vacuum applications.
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Seal S.p.A. has launched a new high temperature ester-cyanate thermoset resin system named CE661, designed for high operating environments. This nontoughened resin system, featuring a DMA Tg of 370°C (+707°F) after post-cure and a very competitive market price, can be suitable for various applications including exhaust pipes, engine vanes parts, radomes, space structures, just to mention some examples.
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L-952 is an excellent high temperature modified epoxy prepreg which exhibits outstanding performance at temperatures up to 400°F (204°C). L-952 is ideally suited for applications on light weight advanced aircraft for fairings, inlet ducting, leading edges, control surfaces, pylons, and radomes. L-952 is moisture resistant and has excellent compatibility with other graphite/epoxy systems.
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HexTOOL® Tooling Compound is randomly layered strips of uni-directional prepreg consolidated into continuous rolled goods. It can be utilized as multi-ply quasi-isotropic hand lay-up and subsequently CNC milled to close tolerance. HexTOOL® has proved to be dimensionally stable with the ability to hold vacuum integrity before and after machining, and after more than 100 part cure cycles. Fabricated from Hexcel’s toughened BMI resin HexPly® M61, HexTOOL® tools are ideally suited for 350°F/180°C cure carbon fiber tools. This makes them lighter weight, more energy efficient than tools made of steel or INVAR, and more cost effective with tighter mold tolerance than standard composites
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The TEXIPLAST® range of thermoplastic reinforcements is based on thermoplastic coated yarn. This new system is based on a wide range of carbon, aramid and glass yarn already impregnated with thermoplastic -PP, PA, PE, PET and others - matrix. Therefore, part producers can quickly process it to manufacture parts having high shock resistance, smooth surface and good reversibility. The latter property represents a substantial improvement in the environmental and recycling issues.
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Corecell M-Foam – The Marine Foam
• Replacement for PVC cores
• High shear strength combined with low density
• High temperature processing (prepreg compatible)
• High elongation for toughness
• Suitable for all composite processes including prepreg
Corecell M-Foam is the newest addition to the Corecell range and shares the benefits of SAN chemistry common to all Corecell products.
Corecell M-Foam has been developed to deliver one product for all Marine applications. It provides a unique combination of high shear strength with low density, high elongation, high temperature resistance and low resin uptake. M-Foam is the performance leader whether your application is slamming area or superstructure, hull or deck, using hand lamination, infusion or prepreg.
Corecell M-Foam delivers reliable processing through the benefits recognized in all Corecell products of fine cell size and unique knife-cuts giving low resin uptake in infusion processes. For prepreg, M-Foam offers high temperature resistance to allow shorter cure cycles and the confidence to process without fear of inhibition of prepreg catalysis. Where static properties are important, M-Foam delivers market-leading shear strength at a lower density. Where dynamic performance is crucial, the high elongation delivers higher useful properties and the toughness to give impact resistance and superior fatigue performance,
Corecell M-Foam is available in resin infusion format and is compatible with polyester, vinylester and epoxy resin systems.
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