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Brown rust color instead of a black mark

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Question- am getting a brown rust color instead of a black mark. Are the CerMark laser marking materials bad?

Answer- No, the marking materials are fine. The browning or rusting occurs when you have applied too much thermal energy either due to slow speed or excess power. In this case, you have actually burnt the CerMark material. To fix this you should increase the marking speed or lower the laser power.

How to prevent micro fracturing of glass

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Question- I am marking glass with LMC products and get micro-fracturing. How can I prevent this from happening?

Answer-  Micro-fracturing occurs when the glass substrate is heated beyond its melting temperature and then rapidly cooled to room temperatures. These strong variations in temperature lead to local expansion and contraction and subsequently to micro-fracturing. There are two mechanisms of heating glass substrates: through conduction (ink heating the glass through thermal conduction), and through direct absorption. The latter is present mostly in CO2 lasers due to the absorption at CO2 lasers’ wavelength of operation. Consequently, solid-state lasers generate smoother marks. In both cases the micro-fracturing can often be minimized by lowering the power and the speed, thus creating gentle conditions for bonding – heating the ink just enough to bond to the surface and scanning slowly enough to deposit enough heat to bond.

Clogged/blocked spray nozzel

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Question- I Had An Issue With The Spray Marking Where After Only One Or 2 Uses It Clogged Up On Me And I Wasted Nearly A Full Can Which Was Very Frustrating As To The Cost Of The Material. I Was Told You Came Out With A Different Product That Prevented That From Happening, Is This True?

Answer- Hi , thank's for reaching out!  Ferro has released a new product called Cermark Ultra. This compound is a multi-use marking spray and is highly recommended for just about all marking applications. However, I haven't personally heard of anything regarding a storage difference. The can has instructions on it for safe storage and cleaning of the nozzle. These need to be followed with every use to prevent clogging of the nozzle. This includes spraying a few times with the can flipped upside down. I would also recommend not letting the can sit for over a few weeks without a quick spray to keep the nozzle clean.

Spray nozzle clogged/blocked

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Question- After I laser mark my substrate there is no CerMark material left.

Answer- This happens when you have your laser speed set too low. You are actually blowing the TherMark materials off the substrate surface. At too slow a marking speed, the amount of thermal energy is enough to disperse the materials around on the surface but not let them create a bond. In this instance you will need to increase the marking speed in increments of 5% until you find the exact setting needed.

After I laser mark my substrate there is no CerMark material left

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Question- After I laser mark my substrate there is no CerMark material left.

Answer- This happens when you have your laser speed set too low. You are actually blowing the TherMark materials off the substrate surface. At too slow a marking speed, the amount of thermal energy is enough to disperse the materials around on the surface but not let them create a bond. In this instance you will need to increase the marking speed in increments of 5% until you find the exact setting needed

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COMMERCIAL:
Mackenzie Quiros

mackenzie@Jorlink.com
(336) 604-2942

INDUSTRIAL \ EDU:
Reggie Wright

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(336) 604-5503

GOVERNMENT:
Orlan Hayes

gov@jorlink.com
(336) 604-5502

MEXICO:
Luis Flores

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(521) 55.352-21923

SOUTH AMERICA:
Eduardo Castro

eduardoc@Jorlink.com
Costa Rica (506) 8694-7138
 

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3714 Alliance Dr., Suite 100
Greensboro, NC 27407
TEL: (336) 288-1613
eMail: sales@jorlink.com

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