Pfaff Technologies provides aerospace-grade composite manufacturing for high-performance applications across Canada and North America. With more than 25 years of combined experience, our team is proficient in all composite manufacturing processes, including the use of prepreg (both in or out of autoclave), resin infusion, and wet lay methods.
From carbon fibre race car components to complex aerospace structures, we manufacture composite parts that deliver exceptional strength and performance while maintaining strict, precise quality control. Whether you require a single prototype or full-scale production, our advanced facilities and materials expertise ensure consistent, repeatable results for aerospace, automotive, marine, and defence applications.
Pfaff Technologies integrates aerospace-grade precision, military-level durability, and advanced additive manufacturing to support organizations across multiple industries, with a focus on accelerating innovation, improving reliability, and maintaining a competitive advantage.
Composite materials combine two or more distinct materials to create a final product with superior properties to either component alone. In structural composites, continuous or woven fibers (carbon, glass, aramid) provide strength and stiffness, while the resin matrix (epoxy, vinyl ester, polyester) binds the fibers together, transfers loads, and protects against environmental damage.
The primary advantage of composite materials is their exceptional strength-to-weight ratio—often 5-10x better than steel or aluminum. This makes composites ideal for weight-critical applications in aerospace, high-performance automotive, and marine structures.
Autoclave Curing (Prepreg Composites)
Autoclave curing is the gold standard for high-performance composite manufacturing, combining heat and pressure to produce parts with superior mechanical properties, minimal voids, and excellent surface finish.
The Autoclave Process:
Prepreg (pre-impregnated) carbon fiber or fiberglass is laid up on a tool, vacuum bagged, and cured in our autoclave under controlled temperature (typically 120-180°C) and pressure (up to 6-8 bar / 85-115 psi). This pressure compacts the laminate, removes air voids, and ensures optimal resin distribution.
Wet layup, or hand layup, is the most fundamental composite manufacturing process. Dry fiber reinforcements are manually saturated with resin, laid into a mold, and cured at room temperature or with mild heat.
The Wet Layup Process:
Operators apply release agent to the mold, then lay dry carbon fiber or fiberglass fabrics while manually applying liquid resin using brushes, rollers, or squeegees. Layers are built up to achieve the desired thickness and fiber orientation. The part is then allowed to cure, with optional vacuum bagging to improve consolidation and remove excess resin.
Wet layup provides maximum flexibility for custom fabrication, rapid prototyping, and repair work.