Intermediate Modulus(equivalent to Toray 800) UD carbon fiber prepreg

We supply UD carbon fiber prepregs made from Toray 800 equivalent Carbon Fiber. These are mostly supplied in 50, 75, 100 gsm

All our prepregs are protected with wax paper on one side and plastic film on the other.

All our prepreg rolls are 1m / 1.27m wide; the Length is 50/100 meters.  10m rolls are available for sample orders

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Properties of Intermediate modulus (equivalent to Toray 800) Unidirectional Carbon Fiber Prepregs

Model :  ZhongFu SYT55S
(equivalent to Toray 800)
Fiber
Specification		 ： 12K
Tensile Strength
(in Mpa)		 : 5900
Modulus of Elasticity for tension
(in Gpa)		 ： 295
Linear Density
(in g/km)		 : 450
Elongation at Break
(in %)		 ： 2
Diameter of Filaments
(in μm)		 : 5

 

Model : ZhongFu SYT55S
(equivalent to Toray 800)
Tow
Specification		 ： 24k
Tensile Strength
(in Mpa)		 : 5900
Modulus of Elasticity for tension (in Gpa) ： 295
Linear Density
(in g/km)		 : 900
Elongation at Break
(in %)		 ： 2
Diameter of
Filaments(in μm)		 : 5

 

List of Intermediate modulus (equivalent to Toray 800) Unidirectional Carbon Fiber Prepregs

dry weight resin content final weight thickness
54 gsm 38% 78 gsm 0.06 mm
75 gsm 32% 110 gsm 0.075 mm
100 gsm 35% 155 gsm 0.1 mm
150 gsm 35% 230 gsm 0.15 mm
200 gsm 35% 300 gsm 0.2 mm

All these above UD prepregs can be produced with/without scrim.

We also supply Carbon fiber prepregs of other weights than mentioned above. Resin Content can be varied based on clients’ requirements.

For more information on the strength of these UD prepregs, please visit this link.

Advantages of using prepreg

  • Easy to process
  • Stable size, Easy to mould
  • Resistant to temperature and aging
  • Little unravel during transportation.

Scope of application

  • Manufacturing Fishing rods, tennis rackets, skateboards
  • Aerospace industry
  • Automobiles, yachts, Ships
  • Construction reinforcement

Methods of curing 

  • Autoclave
  • Out of Autoclave
  • Heat-press moulding
  • Heat-shrink wrapped

Ideal curing process for our prepregs

  • Once you take out the prepreg from freezer, let it defrost overnight.
  • For curing, first cure it at about 80C for about 30 minutes
  • Then raise to 120C, for 120 minutes.. If 130 C, only 60 minutes. About 4 hours if at 100 C
  • Wait untill the temperature lowers to 60 C , then remove mould

This is the process for our default/standard resin system, we also supply prepregs made using other epoxy resin systems with different Tg and curing temperatures.

Storage and Transportation

Our Prepregs can be stored at room temperature for about a month hence do not require freezer bags for transportation. But if stored in a freezer (at about -18°C) then our prepreg can last for more than 6 months.

List of Resin systems used in prepregs supplied by CA Composites
Resin Name Glass Transition (Tg) Curing Condition Remarks
TNYPH-23 100-110 120 minutes at 90 C + 120 minutes at 100 C standard resin/slightly lower curing temp
TNYPH-42 120-130 30 minutes at 80 C + 100-120 minutes at 120-125C Standard tg/standard curing temp
JS-YPH170 175-180 30 minutes at 80 C + 90 minutes at 150 C moderately high tg
TN-YPH170 170-190 30 minutes at 80 C + 45 minutes at 160 C moderately high tg
JS-YPH200 195-205 30 minutes at 150 C + 120 minutes at 200 C (after cure) highest Tg
TN-FR-Epoxy 120-130 30 minutes at 80 C + 30 minutes at 150 C (or 90 minutes at 120 C) Flame Retardant/ UL94 V-0 compliant
JS-FR-Epoxy 120-130 30 minutes at 80 C + 90 minutes at 120 C Flame Retardant/ UL94 V-0 compliant
JS-YPH150 140-150 5-10 minutes at 150 C Superfast curing and moderately high tg

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