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Prepregs

Prepregs

Pre-preg is a term for "pre-impregnated" composite fibers where a matrix material, such as epoxy, is already present. The fibers often take the form of a weave and the matrix is used to bond them together and to other components during manufacture. The matrix is only partially cured to allow easy handling; this is called B-Stage material and requires cold storage, normally at -18 ºC (-0.4 ºF) to prevent complete curing. B-Stage pre-preg is always stored in cooled areas since heat accelerates complete polymerization. Hence, composite structures built of pre-pregs will mostly require an oven or autoclave to cure.

In the B-stage, the resin is partially cured, and usually tacky. When the resin is brought up to an elevated temperature, it often returns briefly to a liquid state prior to hardening completely. Once cured, the thermoset resin which was in the b-stage, is now fully cross-linked.

Pre-preg allows one to impregnate the fibers on a flat workable surface, or rather in an industrial process, and then later form the impregnated fibers to a shape which could prove to be problematic for the hot injection process. Pre-preg also allows one to impregnate a bulk amount of fiber and then store it in a cooled area for an extended period of time to cure later. Unfortunately the process can also be time consuming in comparison to the hot injection process and the added value for pre-preg preparation is at the stage of the material supplier.

The primary resin matrix used is epoxy. However, other thermoset resins are made into prepregs including BMI (mainly for tooling) and phenolic resins (fire retardant applications).

We supply a wide range of epoxy prepregs, but we can also supply both polyester and vinyl ester ones under an scheduled program. Please, ask for quotation and lead times

Advantages of Prepregs

  • Perhaps the greatest advantage of using prepregs is their ease of use. An epoxy prepreg comes on a roll and has the desired amount for both resin and hardener already impregnated in the fabric. Operators are not in contact with hazardous products.
  • No mixing ratio mistakes possible.
  • Glass to fibre weight ratio control.

Disadvantages of Prepregs

Shelf Life
Since the epoxy is in a B-stage, it is required to be stored either refrigerated or frozen prior to use. Additionally, the overall shelf life can be low, normally ranging from few days to a month at 23 ºC.

50 gsm Plain Glass-Epoxy Prepreg VTC401-G50-STYLE 1080-50% RW, Width 1270 mm
  • New

50 gsm Plain Glass-Epoxy Prepreg VTC401-G50-STYLE 1080-50% RW, Width 1270 mm

SHD1647-1270
VTC401 is an epoxy resin system designed to give an initial cure at low temperatures or snap cure at high temperatures with enhanced toughness, honeycomb bondability and higher service temperature, giving greater flexibility in component manufacture.
€38.72 €38.72 Tax incl. €32.00 Tax excl.
300 g/m2 Twill Fire Retandant Glass-Epoxy Prepreg FRVC410-G300-8HS-40%RW
  • New

300 g/m2 Twill Fire Retandant Glass-PFA Prepreg FR308-G300-8HS-33%RW

FR308G3008HS
FR308 is a flame retardant Poly(furfuryl alcohol) (PFA) resin system designed to cure from 120°C for the production of composite parts. Typical applications: Flame retardant –Aerospace/Rail
€48.40 €48.40 Tax incl. €40.00 Tax excl.

MTFA500 Epoxy Resin Adhesive Film for Prepregs

MTFA500150
MTFA500 (DF044) Adhesive Film  MTFA500 (DF044) adhesive resin film is designed to cure between 80 and 120°C, allowing flexibility in component manufacture.  
€54.15 €54.15 Tax incl. €44.75 Tax excl.
Prepeg Carbon-Epoxy VTC401-UD100-T700-40%RW-300P
  • New

Prepeg Carbon-Epoxy VTC401-UD100-T700-40%RW-300

T0355
VTC401 is an epoxy resin system designed to give an initial cure at low temperatures or snap cure at high temperatures with enhanced toughness, honeycomb bondability and higher service temperature, giving greater flexibility in component manufacture.
Out-of-Stock
€54.45 €54.45 Tax incl. €45.00 Tax excl.
300 g/m2 Twill Fire Retandant Glass-Epoxy Prepreg FRVC410-G300-8HS-40%RW
  • New

300 g/m2 Satin Fire Retandant Glass-Epoxy Prepreg FRVC411-G300-8HS-38%RW, 1270 mm width

SHD1771-1270
FRVC411 is a flame retardant epoxy resin system designed to cure between 65°C and 120°C allowing flexibility in component manufacture. It is a toughened, flame retarded epoxy resin system designed for component manufacturing that can be supplied on a variety of fabrics and in UD format to meet your cost and manufacturing requirements. Typical...
€54.45 €54.45 Tax incl. €45.00 Tax excl.
E-glass-Epoxy Prepreg MTC510-UD600-EGLASS-35%RW, Width 300 mm
  • New

E-glass-Epoxy Prepreg MTC510-UD600-EGLASS-35%RW, Width 300 mm

SHD2465-300P
MTC510 is an epoxy resin system designed to cure between 80°C and 120°C allowing flexibility in component manufacture. It is a toughened epoxy resin system designed for component manufacturing that can be supplied on a variety of fabrics and in UD format.
€54.45 €54.45 Tax incl. €45.00 Tax excl.
FLAXPREG T-UD 110
  • New

FLAXPREG T-UD 110

FLAXPREG TUD 110
FLAXPREGT-UD is a range of pre-impregnated material based on an epoxy resin system and the UD flax fibres reinforcement developed by LINEO: the FlaxTapeTM FLAXPREG T-UD 110 is made with unidirectional FlaxTapeTM–110g of flax/m², with a 50% Epoxy Resin Weight. Toll width: 400 mm.
€55.06 €55.06 Tax incl. €45.50 Tax excl.

800 g/m2 Quadriaxial Fire Retandant Glass-Epoxy Prepreg FRVC411 EQX800 32%RW, 1270 mm width

FRVC411EQX800
FRVC411 is a flame retardant epoxy resin system designed to cure between 65°C and 120°C allowing flexibility in component manufacture. It is a toughened, flame retarded epoxy resin system designed for component manufacturing that can be supplied on a variety of fabrics and in UD format to meet your cost and manufacturing requirements. Typical...
€57.66 €57.66 Tax incl. €47.65 Tax excl.

Glass-Epoxy Prepreg VTC401-EBX600-36%RW, Biaxial +-45º, 600 g/m2

PPEVVTC401
VTC401 is an epoxy resin system designed to give an initial cure at low temperatures or snap cure at high temperatures with enhanced toughness, honeycomb bondability and higher service temperature, giving greater flexibility in component manufacture.
€59.29 €59.29 Tax incl. €49.00 Tax excl.

MTC510-UD300-HS-33%RW Unidirectional Carbon-Epoxy Prepreg of 300 g/m2 (24K), 300 mm wide

WMTC510-UD300
MTC510 is an epoxy resin system designed to cure between 80°C and 120°C allowing flexibility in component manufacture. It is a toughened epoxy resin system designed for component manufacturing that can be supplied on a variety of fabrics and in UD format.
Last items in stock
€64.86 €64.86 Tax incl. €53.60 Tax excl.

Aramid-Epoxy Prepreg VTC401-A200T-46%RW, Twill 2x2, 200 g/m2

VTC401200
VTC401 is an epoxy resin system designed to give an initial cure at low temperatures or snap cure at high temperatures with enhanced toughness, honeycomb bondability and higher service temperature, giving greater flexibility in component manufacture.
Out-of-Stock
€78.65 €78.65 Tax incl. €65.00 Tax excl.
Carbon-Epoxy Prepreg VTC401-C200T-HS-3K-42%RW- 1250 mm
  • New

200 gsm Twill Carbon-Epoxy Prepreg VTC401-C200T-HS-3K-42%RW, Width 1250 mm

VTC401C200T
VTC401 is an epoxy resin system designed to give an initial cure at low temperatures or snap cure at high temperatures with enhanced toughness, honeycomb bondability and higher service temperature, giving greater flexibility in component manufacture.
Out-of-Stock
€78.65 €78.65 Tax incl. €65.00 Tax excl.
Prepeg Carbon-Epoxy VTC401-UD100-T700-40%RW-300P
  • New

Carbon-Epoxy Prepreg VTC401-UD300-T700-24K-37%RW-300P

SHD1022-300
VTC401 is an epoxy resin system designed to give an initial cure at low temperatures or snap cure at high temperatures with enhanced toughness, honeycomb bondability and higher service temperature, giving greater flexibility in component manufacture.
€81.07 €81.07 Tax incl. €67.00 Tax excl.
OPS 75 (DF259) Surface Glass Prepreg for Tooling
  • New

OPS 75 (DF259) Surface Glass Prepreg for Tooling

OPS75GLASS-1270
OPS75 material is designed to give a high class finish with reduced pre-paint preparation and versatile out of autoclave curing. It can be supplied with carbon or glass fabric reinforcement. In this case, we supply this prepreg with a 300 sqm glass fabric.Typical applications: Automotive Body Panels – Out of Autoclave
€83.49 €83.49 Tax incl. €69.00 Tax excl.
Carbon-Epoxy Prepreg VTC401-CBX400-+-45º-38%RW-1270 mm
  • New

Carbon-Epoxy Prepreg VTC401-CBX400-+-45º-38%RW-1270 mm

SHD2097-1270
VTC401 is an epoxy resin system designed to give an initial cure at low temperatures or snap cure at high temperatures with enhanced toughness, honeycomb bondability and higher service temperature, giving greater flexibility in component manufacture.
Last items in stock
€87.12 €87.12 Tax incl. €72.00 Tax excl.

Carbon - Epoxy Prepreg MTC510-C200T-HS-3K-42%RW Twill 2x2 of 200 g/m2

WMTC510-C200T
MTC510 is an epoxy resin system designed to cure between 80°C and 120°C allowing flexibility in component manufacture. It is a toughened epoxy resin system designed for component manufacturing that can be supplied on a variety of fabrics and in UD format.
€90.45 €90.45 Tax incl. €74.75 Tax excl.
Cosmetic Carbon Prepreg MTC275-C285T-4x4-42% RW Twill 285 g/m2
  • New

Cosmetic Carbon Prepreg MTC275-C285T-4x4-42% RW Twill 285 gsm

MTC275C285T42RW
MTC275-C285T-4x4-42% RW Twill 285 g/m2 is a carbon/epoxy prepreg designed to give excellent clarity and surface finish out of autoclave. 
Out-of-Stock
€93.17 €93.17 Tax incl. €77.00 Tax excl.
245 g/m2 Carbon - Epoxy Prepreg MTC510-C245T VWEAVE-HS-3K-42%RW Twill 2x2
  • New

245 g/m2 Carbon - Epoxy Prepreg MTC510-C245T VWEAVE-HS-3K-42%RW Twill 2x2

MTC510C245TVW
MTC510 Carbon-epoxy prepreg is manufactured with a high tenacity epoxy resin prepared to cure between a variable temperature range of 80 ° C and 120 ° C. It is used to manufacture composite parts. The carbon twill fabric comes in a finish in which the diagonals, typical of twill weave, converge in the center of the sheet forming a V pattern.
€95.59 €95.59 Tax incl. €79.00 Tax excl.

Carbon-Epoxi MTC275-C650T-HS-12K-36% RW Twill 2 x 2 of 650 g/m2, 1250 mm wide

MTC2756501237
Carbon-Epoxy prepreg MTC275 of 650 g/m2 is designed to give excellent clarity and surface finish out of autoclave. MTC275 can be supplied on a variety of fabrics and in UD format. To be combined with the surface prepreg MTM275-C245T-HQ-HS-3K-42%RW.
€102.85 €102.85 Tax incl. €85.00 Tax excl.

Syntactic Glass/Epoxy Prepreg VTS263/GF1100-1.0 mm Thickness of 390 g/m2

WVTS263GF
Variable temperature epoxy syntactic core film. For co-cure with VTM®260 series prepreg matrices. Can be used for edge filling large sandwich panels or as the core for thin variable depth sandwich construction components. Glass and epoxy resin prepreg ideal for use in combination with BPS system surfacing VTF261/GF1200 prepreg.
€106.48 €106.48 Tax incl. €88.00 Tax excl.

Cosmetic Carbon Prepreg MTC275-C416T-HS-6K-38%RW Twill 2x2 of 416 g/m2

WMTC275-C416T
MTC275 Prepreg is designed to give excellent clarity and surface finish out of autoclave. MTC275 can be supplied on a variety of fabrics and in UD format. To be combined with the surface prepreg MTM275-C245T-HQ-HS-3K-42%RW.
€107.69 €107.69 Tax incl. €89.00 Tax excl.
98 gsm Plain Carbon-Epoxy Prepreg VTC401-C98PW-ST-HS-3K- 45%RW, Width 1020 mm
  • New

98 gsm Plain Carbon-Epoxy Prepreg VTC401-C98PW-ST-HS-3K- 45%RW, Width 1020 mm

SHD2413-1020
VTC401 is an epoxy resin system designed to give an initial cure at low temperatures or snap cure at high temperatures with enhanced toughness, honeycomb bondability and higher service temperature, giving greater flexibility in component manufacture.
€113.14 €113.14 Tax incl. €93.50 Tax excl.

PSB Bulk Carbon-Epoxy Prepreg for Tooling

PSB581-1250
PSB Bulk Carbon material is designed to give a high class finish with reduced pre-paint preparation and versatile out of autoclave curing together with the surface prepreg OPS75. It can be supplied with carbon or glass fabric reinforcement.
€113.74 €113.74 Tax incl. €94.00 Tax excl.

OPS 75 (DF259) Surface Carbon Prepreg for Tooling

OPS75 material is designed to give a high class finish with reduced pre-paint preparation and versatile out of autoclave curing. It can be supplied with carbon or glass fabric reinforcement. The standard system comprises of 1 layer of OPS75 surface ply and 1 layer of PSB75 bulk ply. Typical applications: Automotive Body Panels – Out of Autoclave
€114.95 €114.95 Tax incl. €95.00 Tax excl.

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