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Urethane Casting Resin - 75 Shore D
Superior Stiffness for Parts and Castings


For final parts and short-run castings, this white Urethane Casting Resin with 75 Shore D hardness can create detailed parts with superior cosmetic qualities. #3475 Urethane Casting Resin has a simple 1:1 mix ratio, and its low mixed viscosity makes it an ideal material to fill complicated molds. Cured castings are bright white and have great physical properties including: good tensile strength and superior stiffness in thin sections.

#3475 Urethane Casting Resin is a great material for high performance parts and castings. It can be used for the casting of prototypes to simulate molded parts or for the preproduction checking of injection molds. Common application include automobile, aircraft and marine parts and tooling. As a low viscosity material, it can be hand injected into the most detailed cavities.

When mixed thoroughly, pour the urethane slowly to aid the release of air bubbles. When using Urethane Casting Resin – 75 Shore D kits, avoid water and all types of moisture contamination. Do not use any urethane kit with PVA Release Film, and do not mix with wooden mixing sticks. #2333 Plastic Paint Stirrers for Urethanes are recommended. To ensure a proper release from a mold, use at least four layers of #4121 Non-Silicone High Temp Paste Wax.

#3475 Urethane Casting Resin can fully cure at room temperature. Demold time for heavier section castings is 4 to 6 hours @ 77°F. Castings will develop strength sufficient for most applications in 18 to 24 hours at 77°F, and reach full cure in 7 days at room temperature. The full cure can be accelerated by oven curing after the material gels at room temperature. Oven cure at 150°F for 2-3 hours or oven cure at 120°F for 4-6 hours. Heat curing will increase the heat distortion temperature, and therefore improve the heat stability of the cured material.
  • Mix Ratio (by weight) – 100:100
  • Color – White
  • Working Time, 4 fl. Oz. mass @ 77°F – 30-40 minutes
Nylon Release Peel Ply
Easy release from your laminate

Our Nylon Release Peel Ply has been scoured, heat set and is coated with a specially designed release agent, providing for easy release from your laminate while leaving a uniform texture. It is compatible with all composite manufacturing processes at temperatures up to 480°F. Nylon Release Peel Ply works with all of Fibre Glast's composite materials and resins. Due to the release coating, this product is not recommended for use where secondary bonding is planned. This peel ply is not compatible with phenolic systems. Available in 60" wide rolls/packages.
Style 6781 S2-Glass
9 oz/sq yd, 50" Wide, 0.010" Thick, 58 x 54 8H Satin Weave


This 9-ounce fabric selection is much like our #543 9-ounce E-Glass, except that it is woven from S2 fibers. As a result, this S2-Glass features extraordinary strength with a superior look and finish. Style 120 is broadly the most popular fabric for modern aerospace applications.

Before starting the lay-up process, fabricators should consider:
  • Satin weaves are flatter and conform to shapes easily, but note that are also more easily distorted than other weaves.
  • Each side of this fabric is either largely fill or warp fibers, so opposite sides will look much different. To produce a symmetrical laminate, invert half the plies.
  • To maximize strength for your part, use with an epoxy, like our System #2000. Fiberglass composites also boast low weight and great cosmetics.


Fibre Glast is committed to ensuring that every roll of fabric we handle is First Quality and manufactured to the highest standards, so that you can expect the same finish, sizing, and handling characteristics every time you order.

Meets AMS-C-9084, Type VIII-B.

Typical full roll length is 500 yards.
Unidirectional Carbon Fabric (4.3 oz)
4.3 oz/sq yd, 12" Wide, 0.006" Thick, 12K Intermediate Modulus


This unidirectional fabric is non-woven. Consequently, there is no crimping of the fibers and only minimal binder is used. Polyester fill threads on one side further reduce crimp potential. This results in the highest property unidirectional dry reinforcement available.

Unidirectional fabrics add strength in only one direction. To maximize the strength of this carbon fiber, use an epoxy resin system, like our System #2000.

Our 4.3-ounce version is an intermediate modulus fabric with a tensile modulus of more than 24 MSI, and is ideally suited for aerospace and racing applications where maximum single-directional properties are crucial.

Fibre Glast is committed to ensuring that every roll of fabric we handle is First Quality and manufactured to the highest standards, so that you can expect the same properties and handling characteristics every time you order.
Urethane Casting Resin - Shore A
Create Flexible Parts or Molds


Pour tough, flexible parts and molds with Urethane Casting Resin Shore A. Available in two hardness variations, 40 Shore A and 60 Shore A. These urethane casting resins make it easy to create softer more resilient parts and tooling. These urethane casting resins have been designed specifically for the pouring of prototype and production parts. They can also be used to create fast flexible molds with good life. They offer some undercut or negative draft. While silicone can be used to create more flexible and lower cost molds, Urethane offers superior tear strength and offer 3-4 times the mold life. Shore A resins can accept pigments to achieve opaque colors in finished castings. These Urethanes are used in many common mainstream products, but are especially popular in automotive applications.

When mixed thoroughly, pour the urethane slowly to aid the release of any air bubbles. When using Urethane Casting Resin Shore A kits, avoid water and all types of moisture contamination. Do not use any urethane kit with PVA Release Film, and do not mix with wooden mixing sticks. #2333 Plastic Paint Stirrers for Urethanes are recommended. To ensure a proper release from a mold, use at least four layers of #4121 Non-Silicone High Temp Paste Wax.

Urethane Casting Resins with Shore A hardness can completely cure at room temperature, but can also be heat cured up to 150°F for faster production rates.

    #3340 Urethane Casting Resin 40 Shore A
  • Mix Ratio (by weight) – 100:75
  • Color – Light Amber
  • Working Time, 4 fl. Oz. mass @ 77°F – 25 minutes
  • Demold Time
    (75°F) – 2.5 - 3 hrs
    (150°F Cure) – 30-40 minutes
    #3360 Urethane Casting Resin 60 Shore A
  • Mix Ratio (by weight) – 100:55
  • Color – Light Amber
  • Working Time, 4 fl. Oz. mass @ 77°F – 15 minutes
  • Demold Time
    (75°F) – 2 – 2.5 hrs
    (150°F Cure) – 30-40 minutes
Six Roll Fabric Rack
Our Most Popular Rack

Designed specifically for composites, this rack will hold up to six rolls of fabric and is suitable for even the heaviest materials. This rack is extremely stable and does not require rolls to be counter-balanced. Rack is predrilled to accommodate Wedge Anchors or Casters (sold separately). Install this rack with wedge anchors and create a stationary two-sided rack. Attach Casters and you have a portable, easy to move rack that brings your materials to your workspace. Dimensions: Width: 74" - Height (without rolls): 73.5" - Depth: 48" Freight shipping required
1/4
These precision chopped graphite fibers offer an economical alternative for localized reinforcement of high performance parts requiring optimal electrical conductivity, high strength and moduli. Excellent for reducing voids in difficult vacuum bagging applications. Spread the filler in deep cavities or sharp edges of parts and be assured the pressure will squeeze out air. 
3K, 2 x 2 Twill Weave Carbon Fiber Fabric
5.7 oz/sq yd, 50" Wide, 0.012" Thick, 3K, 2x2 Twill Weave


This twill weave is our single most popular carbon fiber fabric, with a signature appearance that is highly desirable for modern composite parts in the auto, marine, and sporting goods industries. As compared to plain weave counterparts, the twill weave offers greater conformability and delivers a slight edge in strength. In fact, the #1069 boasts an ultimate tensile strength of at least 610 KSI—most competitors offer only around 500 KSI.

Some considerations when creating composite parts with the #1069:
  • To maximize strength properties, use with an epoxy, like our System 2000 Epoxy Resin (#2000).
  • For added conformability, lay up the fabric at a 45-degree bias inside molds.
  • Once cut, twill fabrics are prone to unraveling due to the looser weave. Be sure to use our #1735-A Perfect Line Tape, or Dritz Fray Check, #1713-A.

Fibre Glast is committed to ensuring that every roll of fabric we handle is First Quality and manufactured to the highest standards, so that you can expect the same properties and handling characteristics every time you order.

Typical full roll length is 100 yards.


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