Carbon Fiber Fabric 4×4 Twill 3k 50″/127cm 8.3oz/281gsm Toray T300 with Web-Lock Stabilization

SKU: F-600-50-WL


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    Title Range Discount
    Per Linear Yard 5 - 9 $50.35
    Per Linear Yard 10 - 24 $47.70
    Per Linear Yard 25 - 49 $45.05
    Per Linear Yard 50 - 99 $43.99
    Per Linear Yard 100 + $42.93


    This fabric has a width of 50″, tow size of 3k and is woven in a 4×4 twill weave. This is a very unique weave and gives an appearance unlike anything else. The weave allows this fabric to drape very easy and this material is very easy to work with. This material is woven tighter than most of our competitors’ fabrics. This will help ensure a straight weave and a better looking final product. This material has been Stabilized using our EXCLUSIVE Web-Lock Stabilization Technology.

    This material is a high grade PAN fiber, which means you are receiving a higher quality material than many of the other fabrics on the market.

    Web Lock Logo

    Web-Lock is a fabric stabilization process that is achieved by applying high heat and pressure to lock every filament of fabric together, ensuring perfect cosmetic and structural symmetry. Currently, this process is ONLY offered by Composite Envisions. You may have seen or tried stabilized fabrics in the past, but we’ve found that these existing products can often be too stiff to work with, require large volume orders with high costs, or simply aren’t available in the fabric or time frame needed. All these reasons lead us to one solution – Web-Lock. Web-Lock is the material that we believe solves all the current problems and exceeds the finished fabric performance on all levels. Web-Lock will help you improve your ease of manufacturing, saving you time and money.

    The side that has the Web-Lock on it will not make a good finish for your parts as you will still be able to see the stabilizer in a finished part. When using make sure to have the stabilized side face the non cosmetic side of your part. If you have a part that requires to have a perfect finish on both side we would recommend using two layers of this material and face the stabilized sides together. 

    Advantages of Web-Lock

    Web-Lock is applied at Composite Envisions, allowing flexibility of coating options. Currently, Web-Lock has been applied to Carbon Fiber, Kevlar, Fiberglass and will be available on other composite fibers.

    Low MOQ’s. Can be applied to smaller runs of fabric, up to full 100 yd rolls.

    Reduce employee training for the time it takes to make quality composites.

    Reduce waste as a result of less damaged cloth.

    Standard heat range is 225°F/107°C. Coatings can range from 194°F/90°C to 392°F/200°C (only capable now of doing up to 248°F/120°C material)

    Current version only adds .175oz/6gsm of weight to the fabric for little interference. (weights available from 4-15gsm to change performance characteristics)

    No release liner required between layers of material; reduces waste, lowers cost and makes material easier to use.

    Compatible with most resin systems on the market, including polyester, vinylester and epoxy resin.

    Can be applied to various widths ranging from narrow tapes to 50″ wide.

    Prevents fabric weave from shifting but stretches to allow the fabric to stay conformable.

    Keeps fiber coverage even to avoid resin rich areas and failure points.

    Produced in the USA. Our goal is to make Web-Lock the new standard for high-end composite fabrications meet your supply needs while exceeding your expectations.


    To harden the raw fabric into a usable form, you will need the appropriate resin or epoxy for your project. For the colored materials, we suggest one of our resins which cure clear.


    Additional information

    Unit of Measure


    Tow Size






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    This roll is 50″ (127cm) wide, and the fabric is sold by the linear yard. The unit price displayed is for 1 linear yard; all volume discounts will be automatically applied when selecting larger quantities of fabric when added to your shopping cart, as indicated in the table above with quantity discount ranges for units purchased. Please purchase the number of linear yards that you require. When purchasing multiple yards of the same fabric, you will receive one continuous length of that material. We carefully take that material and roll it onto a cardboard core and wrap clear plastic or Kraft paper over it, making sure to keep the fabric in its first quality condition. We pride ourselves on having one of the best material handling crews possible. We have most of our material available for purchase in sample swatch books per fabric category. Samples of our fabrics can be purchased by Clicking this Link.
    Resin consumption is provided for the approximate amount of resin by weight in the final part after processing by vacuum infusion. This does not account for the resin used in the flow lines and consumables such as flow media or breather cloth. Wet-layup by hand will also have a higher resin consumption in the final part and depends on the user’s techniques. Vacuum bagging a wet layup will improve the resin content. Too much resin will cause a weaker part, not stronger. The average rule of thumb is around 45% (+/- a couple of percent). To calculate actual resin % in your part, a burn test is used. For example, you have a part weighing 100 grams, and you would burn off the resin, which would leave the fiber behind. You should have 55 grams of fiber left when your process is working correctly. Due to the variables in processing, it is hard to give an accurate amount of resin needed to purchase for making your part. However, you will have waste no matter what method is used. A suggested ratio is about 1-1.5lbs of resin per lb of fabric purchased.
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