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Electrical

Carbon based flat sheet electrodes

For a new electrical application, we have developed a carbon black and PTFE based eletrode and are now looking for the best processing equipment for larger scale production.
In the lab the process steps are:
creating the carbon/PTFE mixture as a powder (no help needed here), pressing the powder into thin sheets, heating between 300 and 400C and then compacting the sheet under pressure.

The target end-product is a sheet, as thin as possible.

Any guidance with regards to type of process/equipment needed, suppliers and service providers especially in the South East of the UK would be very much appreciated.

Question asked by Achim Hoffmann 37 weeks 3 days ago. No replies. Read more

RoHS compliant Flame Retardant Treated ABS - Meium Impact

We wish to know if ABS can be made flame retardant in a RoHS friendly way so that it will pass PBB and PBDE elements of the RoHS tests.

Question asked by Andy Wiles 41 weeks 2 days ago. No replies. Read more

SILVER FINISH EGGCRATE DIFFUSER

We used to obtain panels of silver eggcrate diffuser (1200 x 600) from a company Display Developments. Unfortunately these have stopped trading and we are looking for a new supplier. We have had no success on the internet and were hoping you may be able to assist us.
Regards
Mike Elliston

Question asked by Mike Elliston 1 year 15 weeks ago. No replies. Read more

PVC products of combustion

I am looking for COSHH guidance on products of combution given off by PVC-insulated cables involved in fire emergencies, please.
i.e. What harm? Any exposure limits? etc.

Question asked by Philip Wicks 1 year 15 weeks ago. 1 reply Read more

Rotary tool bodies

I am trying to help a student who needs to find out what the body of a hand held rotary tool is made from i.e. the type of plastic. I am presuming that it is injection moulded, is this correct?
Thank you

Question asked by Christine Pipes 1 year 15 weeks ago. 1 reply Read more

PVC cable insulation

Good morning?
I am trying to find out the heat degradation temperatures of PVC used for low voltage (240 volt UK) cable insulation and the chemical process that occures during heating.

I am a fire investigator and i'm trying to find out at what temp/point/time line, sufficient current will flow between line and earth tp trip a circuit breaker and a residual current device, as a result of heating pvc insulation?

Could you help?
Kind regards
Rick

Question asked by Rick Percival 1 year 16 weeks ago. No replies. Read more

XLPE Compound

we are looking for all weather & uv protected XLPE compound suppliers?

Question asked by Anand Dave 1 year 16 weeks ago. No replies. Read more

PVC class 1 v nylon6

We have an application where thin sheathed cable 0.6mmsq during installation is fed through a plastic cable ring manufactured for PVC class 1. We are finding that when the cable is pulled through the ring, 'friction' grooves are being cut in the cable ring. Would rings produced from nylon 6 be less susceptable to this effect or would there be no/minimal difference?

Question asked by Richard Lyne 1 year 18 weeks ago. No replies. Read more

Euromap 11 Ejector coupling signals

We're making ejector couplings to the Euromap 11 spec.
BUT
All Euromap 11 says is that the ejector coupling needs to signal coupled or uncoupled, very useful. What sort of signal on what sort of connector. I can't find any Euromap info that lists where the signal is supposed to go.
Help

Regards
Russ

Question asked by Adrian Russell 1 year 18 weeks ago. No replies. Read more

Anti Static bags

We have numerous static shield bags manufactured by Eurostat, these used bags normally are disposed of as commercial waste which goes to landfill. Can anti static bags be recycled?

Question asked by Nick Melville 1 year 19 weeks ago. No replies. Read more
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