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11th October 2017, 02:39 PM #1
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Light Sanding MDF - Face Mask downgrade?
Hi. This is a Laser cut model that was assembled before sanding, leaving behind that typical mucky smoke smudges like on the front fork
. We're deciding whether or not to spend extra on sign writers tape to mask before cutting, which would great reduce if not eliminate this.
Sanding of the smudge is pretty quick, done with 250 grit or a mini-file.
I wear a 3M half-face respirator mask & a face shield and nitrile gloves. Do it outside and may use a pedestal fan to help blow dust away from me.
Given that it's starting to get verybloodyhot outside now (Based near Ipswich QLD) I'm thinking about ways to do that are slightly more comfortable.
As very little MDF dust is being created would you believe I can use a more basic and lighter weight Mask?
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11th October 2017, 02:46 PM #2
China
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Have a look here https://www.cwsonline.com.au/shop/it...-bee-gone-mask
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11th October 2017, 03:20 PM #3
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How often do you do this?
Given the size of the task, and if it's only every now and then and you do it outside you should be OK.
But its definitely not OK for more regular, larger scale, users of MDF
Unless you have no choice I wouldn't rely on just a mask when working with MDF , instead I'd suggest using high quality dust extraction that vents outside a shed.
MDF contains chemicals that are emitted as vapours when sanding and these are so fine the go straight through nearly all masks.
Only respirators that use charcoal absorbers are able to remove these vapours from the air and these are a PITA to use.
Using a Pedestal fan to dilute the chemicals in your case is probably OK, but not so on a larger scale especially in an enclosed workspaces. Remember pedestal type fans push air out the front and it immediately recirculates to around the sides and back of the fan. Once again - full extraction and replacement with fresh air is the safest way to go.
FWIW, Years ago I lost my sense of smell for 6 weeks working with MDF outside on the back lawn. I would not wish that on anyone.
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