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JkSalt  
#1 Posted : 23 May 2024 09:55:20(UTC)
Rank: Forum user
JkSalt

Hi All,

For context, we have recently started to widen our business activites, one new activity involves the stencilling of small metal parts. These stencils are made in house and are plucked using throwaway craft knives. 

We have a sharps bin located on site in which we dispose of used retractable blades, but my query is on whether or not the plastic handles can be disposed of in this manner? As the blades are moulded to the plastic handles it would make it a extremly difficult, risky task to remove them for disposal. 

Roundtuit  
#2 Posted : 23 May 2024 10:21:40(UTC)
Rank: Super forum user
Roundtuit

In the event there is no better device for conducting this plucking why not switch to changeable blade handles and eliminate plastic from the supply chain?

For my hobby I have a crafting knife whose blades are held in place by a screw collar whilst at college they had metal "pop-fit" blades in the biology lab.

Roundtuit  
#3 Posted : 23 May 2024 10:21:40(UTC)
Rank: Super forum user
Roundtuit

In the event there is no better device for conducting this plucking why not switch to changeable blade handles and eliminate plastic from the supply chain?

For my hobby I have a crafting knife whose blades are held in place by a screw collar whilst at college they had metal "pop-fit" blades in the biology lab.

Kate  
#4 Posted : 23 May 2024 12:01:45(UTC)
Rank: Super forum user
Kate

My craft knife also has a metal handle and replaceable blade.

If you care about sustainability then reusable is often best.

A Kurdziel  
#5 Posted : 23 May 2024 12:09:31(UTC)
Rank: Super forum user
A Kurdziel

Sorry Roundtuit but I am not convinced. I have seen too many accidents involving people removing and attaching blades. Most scalpels nowadays have an integral handle, and you dispose of the whole thing at once. Of course, in a clinical setting  the scalpel is incinerated  as  medical waste.

H&S trumps environmental concerns so its better just to get rid of the blades and handles.

Roundtuit  
#6 Posted : 23 May 2024 13:18:05(UTC)
Rank: Super forum user
Roundtuit

Did start with "if there is no better way" - wooden cuticle remover? cocktail stick? pick? needle? precision flat head screw driver? The same issues with changing a blade are present during use, more so when the second hand is holding the piece being worked.

In a clinical environment to avoid transmission incineration of disposable items may be a control however most business do not have a clinical waste incineration service on their regular supplier list and being perceived as disposable increases the likelihood of entry in to the general waste stream.

Roundtuit  
#7 Posted : 23 May 2024 13:18:05(UTC)
Rank: Super forum user
Roundtuit

Did start with "if there is no better way" - wooden cuticle remover? cocktail stick? pick? needle? precision flat head screw driver? The same issues with changing a blade are present during use, more so when the second hand is holding the piece being worked.

In a clinical environment to avoid transmission incineration of disposable items may be a control however most business do not have a clinical waste incineration service on their regular supplier list and being perceived as disposable increases the likelihood of entry in to the general waste stream.

chris42  
#8 Posted : 23 May 2024 15:59:53(UTC)
Rank: Super forum user
chris42

I have a number of craft knives. The one is a scalpel type where you have to flex the blade to slot it on /off which can be a little tricky, but not that bad.

Then there is the type that has a collet and nut at the end (two slots in an x shape) and are easy to change, but in practice I have found don’t buy the real cheap ones and get the correct blade for the collet as they can push up at an angle in use.

Or there is something like the Stanley craft knife 0-10-590 which is a little more money but then blade will work out cheaper in the long run, especially if bought in bulk. They are very easy to change the blade there is a screwable piece at the end.

I have nothing to do with Stanly other than buying a number of their products over the years, and there are probably other equivalents out there.

I suspect you are buying the Stanley disposable ones anyway ( 3 pack) and it is not easy to get the blade out, I know I have tried ( it is possible, but would not recommend).

Have fun crafting.

Chris

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