86-15852949220      mt@alasmachinery.com
NANJING ALAS INTERNATIONAL CO., LTD
You are here: Home » Products » Crusher Blade & Chipper blade & Shredder blade » Industrial Plastic Shredder Replacement Blades

Product Category

Contact Us

loading

Share to:
sharethis sharing button

Industrial Plastic Shredder Replacement Blades

Industrial Plastic Shredder Replacement Blades
  • L/C, T/T, Paypal, Money Gram

  • 10

Availability:
Quantity:

Why Investing in High-Quality Industrial Plastic Shredder Replacement Blades Is Critical for Your Recycling Line

In the busy waste management industry, your recycling line’s efficiency depends on one key part: the shredder blade. Using cheap, low-quality blades leads to frequent downtime, inconsistent output, and higher costs. Buying high-quality replacement blades is not just a purchase—it’s a smart choice to boost productivity, make equipment last longer, and cut long-term expenses.

Key Benefits of High-Quality Replacement Blades

Built for Tough Recycling Jobs

Industrial shredders handle many types of plastic, including:
  • Rigid HDPE containers and PET bottles

  • Flexible films and thick plastic profiles

  • Contaminated or mixed plastic waste

ALAS replacement blades are made for these heavy-duty tasks. They keep a steady workflow even during non-stop, high-load use. Their sharp, clean cuts reduce strain on motors, which lowers energy use in your facility. Unlike cheap blades, they don’t chip, dull fast, or struggle with different plastics.

Better Materials for Longer Life

Not all steel works the same for shredding. ALAS blades use special alloys like D2 (SKD11), DC53, and H13. These materials balance hardness and strength, so they:
  • Resist wear and damage

  • Don’t dull, chip, or break easily

  • Need fewer replacements and less maintenance

This lets your team focus on production, not repairs—maximizing your recycling line’s uptime.

Precision Cutting for Consistent Results

Blade design affects the size and quality of shredded plastic. Every ALAS blade is made with precision CNC machining and heat treatment to ensure:
  • Perfect fit inside the shredder

  • Fewer jams and less material wrapping

  • Uniform output that meets recycling standards

This makes downstream sorting and processing easier and more efficient.

Plastic Shredder Blade Material Guide

Blade material determines how well it works, how long it lasts, and how stable your equipment is. Different plastics need different blade properties. ALAS helps you choose the right material for your needs.

Blades for Different Plastic Types

1. Hard, Brittle Plastics (ABS / PS / Hard PVC)

Plastic Traits: Rigid and brittle. Shredding them causes sudden impact, which can chip or dull blades quickly.
Recommended Material: SKD11 (D2) High-Carbon High-Chromium Alloy Steel
  • Very hard and wear-resistant—stays sharp longer

  • Handles impact well without chipping or breaking

  • Strong enough for high-speed cutting of hard plastics

2. Soft, Flexible Plastics (PE / PP / PA / Soft PU / Film)

Plastic Traits: Elastic and hard to cut. They often wrap around blades or stick to them, leading to inconsistent output.
Recommended Material: 9CrSi Chromium Silicon Steel (special alloy for ultra-thin films/woven bags)
  • Tough and won’t break easily—good for high-speed cutting

  • Smooth, precision-ground edges reduce sticking and wrapping

  • Easy to grind for a clean cut

3. Fiber-Reinforced, Thick, & Mixed Plastics

Plastic Traits: Fiber-reinforced plastics (glass/carbon fiber) wear down blades fast. Thick/mixed plastics put extra stress on blades (impact, wear, shear).
Recommended Material: DC53 High-Strength Tough Alloy Steel
  • More wear-resistant than SKD11—lasts longer with fiber plastics

  • Resists chipping and breaking during high-impact shredding

  • Stays stable at high temperatures during long runs

How to Choose the Right Blade Material

  • Hard plastics: SKD11

  • Soft plastics & films: 9CrSi

  • Fiber-reinforced/thick/mixed plastics: DC53

  • General use / budget-friendly: 9CrSi (good for standard plastics)

  • Mid-to-high end: SKD11 (best balance of performance and cost)

  • Heavy-duty / high-wear: DC53 (ideal for tough jobs with enough budget)

Lower Your Total Costs with ALAS

ALAS is more than a blade supplier—we’re your partner in recycling efficiency. We help you:
  • Choose the right blade material for your plastic type

  • Set up blades for optimal performance

  • Cut blade replacement frequency and energy use

  • Minimize downtime and improve output consistency

ALAS blades lower your total costs while making your recycling line more reliable and profitable.


Blade Metal Materials International Grade Corresponding Table

China (GB)

USA(ASTM)

Japan (JIS)

Germany (DIN)

Germany (W-Nr)

France (NF)

Russia (ROCT)

U.K (BS)

9CrSi

-

-

90CrSi5

1.2108

-

9XC

-

DC53








Cr12MOV

-

SKD11

X165CrMov12

1.2601

-

X12M

-

Cr12Mo1V1

D2

-

X155Cr12Mo12

1.2379

X160CrMoV12

-

BD


Drawings of the blades for  plastic shredder

500-plastic-shredder-blades-drawing300-plastic-shredder-blades-drawing


industrial-plastic-recycling-blades-02replacement-blades-for-plastic-shredder-04replacement-blades-for-plastic-shredder-01

包装微信图片_20250104142227微信图片_20250104142224微信图片_20250104142221

Previous: 
Next: 
200
Phone:
86-15852949220
Address:
Jiangning District, Nanjing
About Us

Nanjing Alas International Co., Ltd. is a professional industrial tooling manufacturer focused on shear blades, bending dies, shredder blades, and custom wear parts. We offer full application engineering, material selection, setup guidance, and after-sales support to global customers.
Tell us your requirements, and our engineering team will provide professional solutions for blade specification, tool life optimization, and cost-effective production.

Subscribe
Sign up for our newsletter to receive the latest news.
​Copyright 2021 NANJING ALAS INTERNATIONAL CO., LTD            苏ICP备2021025144号