Heavy-Duty Fiberglass Shredder

Product Introduction

Fiberglass and glass-reinforced plastic (FRP) waste is strong, abrasive, and almost impossible to process with standard shredders. Wind turbine blades, boat hulls, FRP tanks, and production offcuts are too tough for high-speed grinders, which wear down in hours and generate hazardous airborne fibers. Landfill space is running out, and incineration releases toxic emissions. The composite industry desperately needs a reliable, heavy-duty solution to reduce fiberglass waste to a manageable, recyclable form.

Our Heavy-Duty Twin-Shaft Fiberglass Shredder is that solution. With extremely wear-resistant alloy blades, high-torque low-speed shearing, and sealed dust suppression, it tears through thick FRP laminates, fiberglass pipes, and composite panels without creating dangerous fiber dust clouds or destroying the machine itself. The output is a uniform, compacted granular material that can be used as filler, sent to cement kilns for co-processing, or further refined for fiber recovery. Turn your tough composite waste from an environmental liability into a resource stream.

Product Features

Twin-Shaft, High-Torque Shearing for Tough Composites Two counter-rotating shafts equipped with specially hardened, wear-resistant alloy blades operate at very low speed (12–25 rpm). The immense torque fractures the brittle glass fiber and shears through the polymer resin matrix in a controlled, spark-free process. Unlike high-speed impact mills that shatter under composite loads, our shredder applies steady, destructive force without creating dangerous dust explosions.

Abrasion-Resistant Blades — Built to Survive Glass Fibers Glass fibers are notoriously abrasive, destroying standard steel blades in hours. Our blades are machined from high-carbon, high-chromium tool steel with an additional hard-facing or tungsten carbide coating, specifically engineered for glass-reinforced materials. Thick cutting edges accept multiple re-sharpening cycles, and segmental blade design allows selective replacement of worn sections without replacing the entire rotor set.

Sealed Chamber & Integrated Dust Extraction Shredding fiberglass releases fine, airborne glass fibers that are hazardous to breathe and damaging to machinery. Our cutting chamber is fully sealed with specialized shaft seals and connected to an optional high-efficiency pulse-jet dust collection system. The low-speed shearing inherently produces fewer airborne fines than high-speed grinders, and the sealed design keeps your workplace safe and OSHA-compliant.

Anti-Wrap & Anti-Bridging Feed System FRP panels and long profiles can bend and bridge across feed openings. Our hydraulically driven ram and aggressive rotor hooks force material into the cutting zone at a controlled pace. The rotor geometry actively prevents long fibers from wrapping around shafts, ensuring continuous, jam-free operation on stringy composite waste.

PLC Intelligence & Auto-Reverse Protection The integrated PLC monitors shaft torque, motor temperature, and hydraulic pressure in real time. Upon detecting an uncrushable hard spot — such as a thick metal insert or embedded steel reinforcement — the rotors instantly auto-reverse to eject the object, then resume normal operation. This hands-free jam clearance maximizes uptime on mixed, unpredictable composite scrap.

Technical Parameter

Model	Motor Power	Rotor Diameter	Chamber Size (L×W)	Blades Qty	Max. Input Width	Capacity (FRP Panels / Fiberglass Pipes)
FGSH-400	15+15 kW	250 mm	400×500 mm	20 pcs	400 mm	150–300 / 200–400 kg/h
FGSH-600	22+22 kW	300 mm	600×800 mm	30 pcs	600 mm	300–600 / 400–800 kg/h
FGSH-800	37+37 kW	350 mm	800×1000 mm	40 pcs	800 mm	600–1,200 / 800–1,500 kg/h
FGSH-1000	55+55 kW	420 mm	1000×1200 mm	50 pcs	1000 mm	1,200–2,000 / 1,500–2,500 kg/h
FGSH-1200	75+75 kW	480 mm	1200×1500 mm	60 pcs	1200 mm	2,000–3,500 / 2,500–4,000 kg/h
FGSH-1500	110+110 kW	550 mm	1500×1800 mm	80 pcs	1500 mm	3,500–5,000 / 4,000–6,500 kg/h

Capacity estimated for medium-thickness FRP panels and standard fiberglass pipes. Throughput varies significantly with material thickness, glass content, resin type, and desired output size. All models available with tungsten carbide-coated blades for extended wear life. Custom configurations available for wind blade sections and large FRP tanks.

Applicable Material

Fiberglass & Composite Materials We Shred

FRP (Fiber-Reinforced Plastic) Panels: Flat and corrugated FRP sheets, roofing panels, and wall cladding. Brittle composite is fractured into small, manageable chips for cement kiln co-processing or filler production.
Fiberglass Pipes & Tanks: GRP pipes, chemical storage tanks, and pressure vessels. High torque shears through thick-walled, filament-wound structures.
Wind Turbine Blades: Decommissioned wind blade sections cut to size. Glass fiber and epoxy resin are shredded for energy recovery, cement kiln fuel, or mechanical recycling of the fiber fraction.
Boat Hulls & Marine Composites: Scrap from boat building, fiberglass hulls, and marine components. Handles gelcoat, resin, and glass laminate combinations.
Fiberglass Insulation Waste: Fiberglass wool offcuts and production waste. Shredded for volume reduction and potential remelting or reuse in lower-grade insulation products.
Pultruded & Molded Composite Parts: GRP profiles, ladder rails, automotive body parts, and molded electrical enclosures. Uniform shredding prepares material for downstream separation or energy recovery.

Why Choose Us

Factory-Direct Composite Shredding Expertise: You work directly with engineers who specialize in abrasive, difficult-to-process materials. We manufacture wear-protected rotors, gearboxes, and controls in-house, delivering fiberglass-ready shredders at a factory price — with no middleman markups and no compromise on component hardness.
12-Month Comprehensive Warranty: All core mechanical systems, sealed bearings, and electrical components are fully covered. Our remote support team responds within 12 hours with video-guided diagnostics to address any wear or operational issues and keep your line productive.
Fast-Response Spare Parts & Wear Management Support: We keep blades with hard-facing and tungsten carbide options, seals, screens, and bearings in ready stock for immediate dispatch. Our engineers provide practical wear-life guidance — helping your team track blade condition, plan re-sharpening intervals, and budget consumable costs accurately.
Turn-Key Fiberglass & Composite Recycling Lines: Need a complete system? We integrate feeding conveyors, magnetic separation for steel inserts, screening stations, and dust collection to deliver a plug-and-play fiberglass recycling plant that meets environmental and safety regulations.

Tell us about your fiberglass or composite waste — material type, dimensions, thickness, and daily volume. Send photos or a sample today. Our application engineers will evaluate the abrasiveness and design a customized, wear-protected shredding solution with transparent pricing within 24 hours.

FAQ

How do you prevent the glass fibers from wearing out the blades too fast? We use high-alloy tool steel with optional tungsten carbide hard-facing on the cutting edges, specifically selected for glass-reinforced materials. Blade re-sharpening intervals for fiberglass are typically 300–500 hours. With proper maintenance, one set of carbide-coated blades can last significantly longer than standard steel.

Is fiberglass dust hazardous, and how does the shredder manage it? Yes, airborne glass fibers are a respiratory hazard. Our shredder uses a fully sealed cutting chamber and operates at low speed to minimize dust generation. An integrated pulse-jet dust extraction system captures fine particles before they enter the workplace air, ensuring OSHA and environmental compliance.

Can the machine handle wind turbine blades or large FRP tanks? Yes. Wind blade sections and large FRP structures must first be pre-cut to a size that fits the shredder opening. We can supply upstream size reduction equipment (e.g., hydraulic shears or saws) as part of a complete processing line.

What can the shredded fiberglass be used for? Shredded FRP can be used as solid recovered fuel (SRF) in cement kilns, where the glass content serves as a raw material and the resin provides energy. It can also be mechanically recycled as filler in new composites, used in asphalt modification, or sent for fiber recovery via thermal or chemical processes.

How often do seals and bearings need replacement due to abrasive dust? Our shredder uses heavy-duty sealed bearings and labyrinth shaft seals designed for dusty, abrasive environments. With routine inspection, seals typically last 12–18 months, and bearings 2–3 years, depending on operating hours and dust load.

Do you provide complete fiberglass recycling plants? Yes. We design and deliver complete lines: pre-cutting → shredder → magnetic separator → conveyor → dust collection → output material. Full engineering, layout design, installation support, and operator training are included.