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Polishing Films for Precision Optical & Photonic Processing
KrellTech offers a comprehensive range of high-performance polishing and lapping films designed for optical connectors, bare fiber processing, waveguides, and photonic integrated circuits (PICs). Our selection includes diamond, silicon carbide, aluminum oxide, and silicon dioxide abrasives, available in multiple grit sizes to achieve optimal surface finishes for fiber optics and photonic components.
For specialized applications, our flock films provide controlled fiber protrusions for multifiber connectors (MTP, MTX, MT-RJ). We also supply final polish films for ultra-smooth surfaces.
Our polishing films are available in 2”, 4”, and 5” diameters, with PSA (pressure-sensitive adhesive) and non-PSA options. Custom orders are also available to meet unique requirements.
Available Polishing Films
🔹 Diamond Films – Precision abrasives for aggressive material removal and fine polishing
🔹 Silicon Carbide Films – Versatile for fiber optic, waveguide, and PIC finishing
🔹 Aluminum Oxide Films – Ideal for controlled surface polishing and material refinement
🔹 Final Polish Films – For ultra-fine surface finishing
🔹 Flock Films – Designed for fiber protrusion control in multifiber connectors
🔹 Silicon Carbide Films – Versatile for fiber optic, waveguide, and PIC finishing
🔹 Aluminum Oxide Films – Ideal for controlled surface polishing and material refinement
🔹 Final Polish Films – For ultra-fine surface finishing
🔹 Flock Films – Designed for fiber protrusion control in multifiber connectors
🔗 Request a Quote to See Full Offering – Select from the complete range of sizes and types.
Why Choose KrellTech Polishing Films?
✔ Process Continuity – Consistent film quality for repeatable polishing results.
✔ Customized Solutions – We accommodate unique polishing needs.
✔ Quality Control – Precision-engineered films for optical and photonic applications.
✔ Timely Sourcing – Reliable stock availability and fast order fulfillment.
✔ Expert Advice – Backed by 30+ years of industry experience.
✔ Customized Solutions – We accommodate unique polishing needs.
✔ Quality Control – Precision-engineered films for optical and photonic applications.
✔ Timely Sourcing – Reliable stock availability and fast order fulfillment.
✔ Expert Advice – Backed by 30+ years of industry experience.
Data Sheet
Related Q&A:
March 4, 2024, 4:26 p.m.
Q
Good morning,
Is this something you are able to provide?
Polishing Film – Alumina Oxide (AO) and Diamond (5.5” x 5.5” sheets)
**5.0um AO Foam-Backed Film
Part# 0700-2663
We are looking to purchase very large qty.
Thank you
Laura
F&M Micro Products
A
We can supply these film types, but only in 5", 4", and 2" diameters for use with Krell automated polishers.
Sept. 21, 2023, 1:05 p.m.
Q
Hi, I'm interested in polishing the edge facets of sapphire-substrate photonic chips. I would like to know which polishing pads are available to polish sapphire (available grain sizes etc) and how to order them.
A
Sapphire components require diamond polishing film. We will send you a listing of available diamond grit abrasives.
Aug. 23, 2023, 7:57 a.m.
Q
Hi, I'm organising a Stores rearrangement project in the UK. Do your polishing films require specific storage conditions i.e. temperature, should they be stored in the dark, humidity etc?
A
Standard ambient environmental conditions are fine. Also, no need to storage in darkness, it is suggested to avoid direct sunlight to prevent product fading.
Nov. 3, 2021, 3:51 p.m.
Q
How many sheets come in a Pack?
A
Diamond films are available in packs of 25 sheets. Silicon carbide, aluminum oxide and final polish films come in packs 100 sheets.
May 12, 2021, 5:57 a.m.
Q
Hi, I have a staple of Krell PF00.XW-P-4 final polishing films and was wondering what material it is. I am using diamond polishing films. Please advise.
A
The final polish film abrasive is 0.02um silicon dioxide.
Jan. 7, 2021, 11:37 a.m.
Q
I am looking to polish a 220 um MM fiber.
I want it to have a surface roughness of less than 0.05 um.
I have a KrellTech Trig Bare Fiber Polisher.
What polishing film do you recommend?
A
We suggest trying 0.02um silicon dioxide polishing film. A quote will be sent directly to you.
June 16, 2020, 8:39 p.m.
Q
I have a "translucent" film. What type of polishing film could this be?
A
This is most likely the XW final polishing film.
May 6, 2020, 3:11 p.m.
Q
I have a violet film with part number PF01.0D-P-4 on it. I am wondering what the grit material is on this film?
A
This part number corresponds to 1um (micron) grit diamond lapping film.
April 6, 2020, 9:11 p.m.
Q
Which films are recommended for the connector type illustrated in the attachment?
A
A combination of silicon carbide and flock-style films. You will be receiving a detailed quotation shortly.
April 1, 2020, 7:02 p.m.
Q
Is this film reusable?
A
Yes
April 1, 2020, 6:59 p.m.
Q
What is the max grit we can order?
A
600g
April 1, 2020, 6:56 p.m.
Q
Do you supply 9um aluminum oxide?
A
Yes
April 1, 2020, 6:50 p.m.
Q
How can I buy this film?
A
email sales@krelltech.com
March 30, 2020, 10:08 p.m.
Q
I have a violet colored film. What type of polishing film can it possibly be?
A
It is possibly 1 micron diamond film. Please send a photo to sales@krelltech.com to confirm.
March 26, 2020, 5:28 p.m.
Q
What is the roughest grit film you supply?
A
600grit 5" ONLY
March 26, 2020, 5:28 p.m.
Q
What size film is available?
A
2", 4", 5"
March 23, 2020, 5:36 p.m.
Q
Can you provide polishing film with custom dimensions?
A
Yes. Please send your custom request to sales@krelltech.com.
Feb. 12, 2020, 5 p.m.
Q
Do you offer square film sheets?
A
No. Polishing film is only available in round disks.
Feb. 2, 2020, 10:07 p.m.
Q
Are films available for these connector types?
A
Yes. Flock films will be required.
Feb. 2, 2020, 9:32 p.m.
Q
Do slurries help the polishing process?
A
This is application dependent. Please contact sales@krelltech.com with information regarding your application details.
Dec. 4, 2019, 5:34 p.m.
Q
How many sheets of 1um diamond film are in a pack?
A
25 sheet in each pack of 1 micron diamond polishing film.
Dec. 4, 2019, 5:30 p.m.
Q
What size film does NOVA use?
A
NOVA uses 4 inch diameter polishing film and pads.
Dec. 4, 2019, 5:20 p.m.
Q
What diameter films are available?
A
Standard diameters are 2", 4" and 5".