Hugh-Candoit (ENG) Posted July 25, 2008 Report Share Posted July 25, 2008 Most folk use the wrong primers. There a still many differing components making up PUR and each chemist makes the mix to suit individual manufacturers according to their needs. One adheshive mastered for one manufacturer will not suffice for all the other manufacturers.(not as at this moment in time anyway). The problem will be compounded when they start to use Thermoplastic PUR universally. Then you realy will have problems, some of those that defy adhesive application my already belong to this group of Polymers. Link to comment Share on other sites More sharing options...
bkb Posted July 26, 2008 Report Share Posted July 26, 2008 indubadably. you are most correct in your assumtion. i think bkb Link to comment Share on other sites More sharing options...
Hugh-Candoit (ENG) Posted July 26, 2008 Report Share Posted July 26, 2008 Link to comment Share on other sites More sharing options...
kobblers Posted May 14, 2009 Report Share Posted May 14, 2009 i do not use any prmers at all the way i prepare the clarks and thermo shoes is as follows pour some kumzoff in a jar apply to sole and heel of shoe and rub briskly with a saude brush but do not bend shoe whilst doing this or it will break up leave to dry for five to ten mins then brush of the the crumbs that form with astiff brush and apply either the renia ortec or syntic and finish as normal I actually got chance to see elfman showing me this method yesterday, gotta say I was sceptical but the result was fantastic I think it was renia De-sohl he was using instead of kumzoff on this occasion though? As they say: 'Stuck like sh*% to a blanket' I've never seen so many old tools in my life, including a gadget that attaches to those three pronged lasts to give you a heel support Post a pic elfman Rick. Link to comment Share on other sites More sharing options...
Auto Key Wizard Posted May 14, 2009 Report Share Posted May 14, 2009 Yes Paul knows his adhesives, He sent me an information sheet on adhesives & their uses. I now use Renia Syntic to good effect. Link to comment Share on other sites More sharing options...
Guest darrenbooth Posted May 19, 2009 Report Share Posted May 19, 2009 if you get something back and your pretty sure your glue and primer is still not going to work do yourself a favour go down the hardware store and buy some glue called gorrila glue.it has to be left overnight and it expands a little so don't use a lot but it will stickall the shittiest plastics man has invented .just peel exsess of and polish or spray die as normal.this is not something we use all the time as it is exspensive but it will keep your custumer happy. Link to comment Share on other sites More sharing options...
kobblers Posted May 19, 2009 Report Share Posted May 19, 2009 Gorilla glue is an expanding urethane adhesive very similar to expanding foam that reacts with moisture and as far as I'm aware it's not flexible enough for soles. Great on oak though \:D/ Rick. Link to comment Share on other sites More sharing options...
kobblers Posted May 19, 2009 Report Share Posted May 19, 2009 Probably good for those crappy, thin walled, plastic heel blocks on mens's shoes that you can't pin top pieces to properly, due to the fact it will expand and grab the inside of the heel block wall as well as the top. Rick. Link to comment Share on other sites More sharing options...
Lee Posted May 20, 2009 Report Share Posted May 20, 2009 i do not use any prmers at all the way i prepare the clarks and thermo shoes is as follows pour some kumzoff in a jar apply to sole and heel of shoe and rub briskly with a saude brush but do not bend shoe whilst doing this or it will break up leave to dry for five to ten mins then brush of the the crumbs that form with astiff brush and apply either the renia ortec or syntic and finish as normal I actually got chance to see elfman showing me this method yesterday, gotta say I was sceptical but the result was fantastic I think it was renia De-sohl he was using instead of kumzoff on this occasion though? As they say: 'Stuck like sh*% to a blanket' Rick. Your remark touched a nerve today Rick as although they had returned for new heels I had some shoes in today that had begun to fail, so I had a go at Elfmans method on this pair & then another & another & another....... Can't beleive how much it alters the strength of the bond! AMAZING & implemented as standard here at Cobb-Lees. thanks Elfman Lee Link to comment Share on other sites More sharing options...
kobblers Posted May 21, 2009 Report Share Posted May 21, 2009 Great stuff. Did you use De-sohl or Kumzof and was your method exactly the same? Rick. Link to comment Share on other sites More sharing options...
Lee Posted May 21, 2009 Report Share Posted May 21, 2009 kumzoff, same method as described Lee Link to comment Share on other sites More sharing options...
elfman Posted May 22, 2009 Report Share Posted May 22, 2009 kumzoff would be my preferred choice if i could get hold of it rick but desohl is a good enough subsitute Link to comment Share on other sites More sharing options...
kobblers Posted May 22, 2009 Report Share Posted May 22, 2009 Why can't you get kumzoff? Rick. Link to comment Share on other sites More sharing options...
Hugh-Candoit (ENG) Posted May 23, 2009 Report Share Posted May 23, 2009 I believe you can get "Kumzoff" (F.Ball & Co) but it is only supplied in Litre containers (could be Half litre). Elfman saying that he does not use primers yet he is using Zumzoff and Desohl as a type of primer. Proper way to prefpare these subsatances is with "Satreat" manufactured under licence I think from SATRA, try Bostic. After using Satreat which by the way is a Wipe....you can then use Bostic 50/50. The Streat is meat to be wiped over the surface to remove various substances that migrate to the surface after scouring or heating. Elfman uses Kumzioff to this effect and his method is good practice in the abscence of Satreat or a similiar product. It is important to remember that the substance being stuck to PUR sole units should be of the same or greater flexibility than the original compound. Link to comment Share on other sites More sharing options...
elfman Posted May 23, 2009 Report Share Posted May 23, 2009 i have tried to order kumzoff from 3 sources algeos answer, no longer available sent desohl as alternative healys answer, see above birchs answer ,asked for kumzoff if not then desohl will do ,answer as above but no desohl either so sent birch tek no 1 instead. hugh if you read the post on the way i do it , i do use the word wipe as for the substances that are used to repair this type of shoe ,i would have thought it was common knowledge to use a like for like material,if you dont then you are asking for problems Link to comment Share on other sites More sharing options...
Auto Key Wizard Posted May 23, 2009 Report Share Posted May 23, 2009 T Colledge and Son seem to have plenty Caswells Kumzoff 1 litre Price: £5.46 Link to comment Share on other sites More sharing options...
algsoul Posted May 27, 2009 Report Share Posted May 27, 2009 i use a thin bead of super glue put around sole edge and a bit in the centre. work in very fast with a bit of old rag and leave to set for a few mins. then use you fave glue. works ok for me. Link to comment Share on other sites More sharing options...
kobblers Posted May 27, 2009 Report Share Posted May 27, 2009 Yup. that method works too but the smell is unbearable Rick. Link to comment Share on other sites More sharing options...
algsoul Posted May 29, 2009 Report Share Posted May 29, 2009 i use a thin bead of super glue put around sole edge and a bit in the centre.work in very fast with a bit of old rag and leave to set for a few mins. then use you fave glue. works ok for me. Link to comment Share on other sites More sharing options...
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