Skip to content 
Blades for Adhesive Tape & Protective Film Converting
Engineered Blades for Tape & Film Processing
Adhesive tapes and protective films demand high-precision slitting to ensure edge integrity, clarity, and consistent performance. At SUNDI, we manufacture slitter knives specifically engineered for these delicate materials—from pressure-sensitive tape and optical film to surface protection laminates. Our blades support a wide range of converting needs, delivering clean, stable cuts for packaging, electronics, automotive, and industrial applications.
Blade Types
Razor Slitter Blades
Top & Bottom Slitter Knives
Rotary Slitting Knives
Perforation Blades
Serrated or Toothed Blades
- Die-Cutting Blades
Compatible Materials
PET film, PE film, BOPP, PVC
Double-sided adhesive tape
Protective laminates
Optical films
Foam tapes
- Kraft tape, masking tape
SUNDI provides support:
- Material options: SKH51, HSS, Tungsten Carbide
- Supports customisation based on drawings/samples, coating, anti-adhesion treatment and other special processes
- Quality Assurance
- OEM/ODM Service
- Cost Saving
- Fast Delivery
Specification:
Below are some of the most common sizes for carbide film slitter knives. In addition to these standard models, SUNDI offers custom blade solutions based on your drawings, samples, or cutting needs. Whether you’re processing packaging films, adhesive tapes, or optical materials, we deliver high-precision knives to match your application.
Carbide Film Slitter Knife – Common Sizes
| Common Size (mm) | Length (L, mm) | Width (W, mm) | Thickness (T, mm) |
|---|---|---|---|
| 43×22×0.15 | 43 | 22 | 0.15 |
| 43×22×0.2 | 43 | 22 | 0.2 |
| 43×22×0.3 | 43 | 22 | 0.3 |
| 43×22×0.4 | 43 | 22 | 0.4 |
| 43×19×0.4 | 43 | 19 | 0.4 |
| 59×19×0.4 | 59 | 19 | 0.4 |
| 60×22×0.3 | 60 | 22 | 0.3 |
| 60×22×0.4 | 60 | 22 | 0.4 |
English 
Russian 
German 
Spanish 
French 
Portuguese