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In the plastic recycling industry, the efficiency of your operation is measured by the longevity and sharpness of your shredder blades. For processing abrasive materials like PET, heavy-duty HDPE, or reinforced plastics, SKD-11 plastic shredder blades have become the industry benchmark for performance and cost-effectiveness.
The hardness, toughness, and fiber content of plastics determine the stress points during shredding. Hard and brittle materials are prone to impact, soft materials are prone to blade entanglement and adhesion, and fiber-reinforced materials are prone to wear on the cutting edge. Blade selection should follow the principles of high hardness, wear resistance, and impact resistance for hard materials; high toughness and shear force for soft materials; and high wear resistance and resistance to chipping for fiber-reinforced materials. Precise matching can reduce costs and improve efficiency.
Hard plastics are hard and brittle. During the shredding process, the blades are susceptible to instantaneous impact forces, leading to problems such as chipping and rapid dulling of the cutting edge. This requires extremely high hardness, wear resistance, and impact resistance from the blades.
Soft/high-toughness plastics have strong elasticity and good ductility. They are difficult to cut during shredding, leading to problems such as blade entanglement, material sticking to the blade edges, and material being discharged in strips. This requires blades with high toughness, shear strength, and smooth cutting edges.
9CrSi Chromium Silicon Steel (Special alloy tool steel can be used for ultra-thin materials such as films/woven bags)
Core Material Characteristics
1. Excellent toughness, not easy to break, suitable for the high-speed shearing motion of the shredder, effectively cutting highly elastic plastics;
2. High precision grinding of the cutting edge and smooth surface reduce sticking and entanglement of soft plastics, ensuring efficiency;
3. Good processing performance, allowing for fine grinding of the cutting edge.
Fiber-reinforced plastics (glass fiber/carbon fiber reinforced plastics) contain hard fibers, which can quickly wear down the blade edges; when shredding thick/mixed materials, the blades are subjected to multiple forces including impact, wear, and shear, making this the scenario with the highest demands on the overall performance of the blades.
1. Superior wear resistance compared to SKD-11, with excellent hardness and toughness, addressing the blade wear problem of fiber-reinforced materials and significantly increasing service life;
2. Outstanding resistance to chipping and fracture, suitable for the strong impact force of thick material crushing and the complex stress environment of mixed material crushing;
3. Good high-temperature stability; the cutting edge is not easily deformed during long-term continuous crushing of thick/mixed materials, maintaining a stable shearing effect. 2. Plastic Shredder Blade Selection: Pitfalls to Avoid and Recommendations
China (GB) | USA(ASTM) | Japan (JIS) | Germany (DIN) | Germany (W-Nr) | France (NF) | Russia (ROCT) | U.K (BS) |
9CrSi | - | - | 90CrSi5 | 1.2108 | - | 9XC | - |
Cr12MOV | - | SKD11 | X165CrMov12 | 1.2601 | - | X12M | - |
In the plastic recycling industry, the efficiency of your operation is measured by the longevity and sharpness of your shredder blades. For processing abrasive materials like PET, heavy-duty HDPE, or reinforced plastics, SKD-11 plastic shredder blades have become the industry benchmark for performance and cost-effectiveness.
The hardness, toughness, and fiber content of plastics determine the stress points during shredding. Hard and brittle materials are prone to impact, soft materials are prone to blade entanglement and adhesion, and fiber-reinforced materials are prone to wear on the cutting edge. Blade selection should follow the principles of high hardness, wear resistance, and impact resistance for hard materials; high toughness and shear force for soft materials; and high wear resistance and resistance to chipping for fiber-reinforced materials. Precise matching can reduce costs and improve efficiency.
Hard plastics are hard and brittle. During the shredding process, the blades are susceptible to instantaneous impact forces, leading to problems such as chipping and rapid dulling of the cutting edge. This requires extremely high hardness, wear resistance, and impact resistance from the blades.
Soft/high-toughness plastics have strong elasticity and good ductility. They are difficult to cut during shredding, leading to problems such as blade entanglement, material sticking to the blade edges, and material being discharged in strips. This requires blades with high toughness, shear strength, and smooth cutting edges.
9CrSi Chromium Silicon Steel (Special alloy tool steel can be used for ultra-thin materials such as films/woven bags)
Core Material Characteristics
1. Excellent toughness, not easy to break, suitable for the high-speed shearing motion of the shredder, effectively cutting highly elastic plastics;
2. High precision grinding of the cutting edge and smooth surface reduce sticking and entanglement of soft plastics, ensuring efficiency;
3. Good processing performance, allowing for fine grinding of the cutting edge.
Fiber-reinforced plastics (glass fiber/carbon fiber reinforced plastics) contain hard fibers, which can quickly wear down the blade edges; when shredding thick/mixed materials, the blades are subjected to multiple forces including impact, wear, and shear, making this the scenario with the highest demands on the overall performance of the blades.
1. Superior wear resistance compared to SKD-11, with excellent hardness and toughness, addressing the blade wear problem of fiber-reinforced materials and significantly increasing service life;
2. Outstanding resistance to chipping and fracture, suitable for the strong impact force of thick material crushing and the complex stress environment of mixed material crushing;
3. Good high-temperature stability; the cutting edge is not easily deformed during long-term continuous crushing of thick/mixed materials, maintaining a stable shearing effect. 2. Plastic Shredder Blade Selection: Pitfalls to Avoid and Recommendations
China (GB) | USA(ASTM) | Japan (JIS) | Germany (DIN) | Germany (W-Nr) | France (NF) | Russia (ROCT) | U.K (BS) |
9CrSi | - | - | 90CrSi5 | 1.2108 | - | 9XC | - |
Cr12MOV | - | SKD11 | X165CrMov12 | 1.2601 | - | X12M | - |