Deposition techniques

Deposition techniques

Flame spraying troubleshooting

Problems with your flame spraying process?

Problem Cause Solution
Deposit peels off

1. Poor preparation of the surface (oxidized or oily surface)
2. Required surface roughness is >Ra 5
3. Too low preheating temperature
4. Too high preheating temperature

Clean the surface well
Sand blast well
Preferable >Ra10
Increase preheat
Decrease preheat


1. Overheating
2. Too fast cooling
3. Hardened base material

Slower cooling / controlled cooling


1. Poor preparation of the surface

2. Incorrect spray parameters
3. Incorrect spray distance
4. Poor sealings in the gun
5. Incorrect particle distribution for the gun
6. Too high oxygen level in the powder /oxidized powder
7. Powder contains hollow particles

Clean the surface well. 
Sand blast well.
Adjust parameters
Adjust distance
Replace seals
Choose the right parameter
Adjust lambda
Replace powder

Contact sales & technical support

Contact your sales representative for more information and requests.
Contact us
Contact form
Contact persons
Technical area: Surface coating
Select your country *
Type of contact * Sales
Technical support
Firstname *
Lastname *
Company *
Field of work *
Design engineer
Business developer
Machine operator
E-mail *
Phone of work *
Your message *

Privacy policy

I agree that Höganäs can handle my personal data in order to contact me. My contact information may also be used in marketing purpose, such as newsletters and other relevant information. The data will not be shared with a third party. With my consent, I also confirm that I am over 16 year old.

More information about how we handle personal data can be found in our privacy policy.

You must accept the terms of service before you can proceed.

Thank you for contacting us

We appreciate you contacting {{contact.TypeOfContact}} about {{contact.TechnicalArea}}.
One of our colleagues will get back to you shortly.

Have a great day!

Something went wrong