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drjonts · 26th October 2016, 10:16

David,

If PP means polypropylene then it is a NAUGHTY WORD-NAUGHTY WORD-NAUGHTY WORD- to stick. Araldite-type epoxies are normally first attempt. Never used Gorilla glue but it does stick most stuff.

There are some specialist glues that prime the surface to aid adhesion (surface energy increase apparently). Never used it but maybe stuff like this...

http://www.loctiteproducts.com/p/sg_...ing-System.htm

Plastic welding (with a soldering iron / pyrography burner) should always work...but not very pretty!!!

Jonty

26th October 2016, 10:16	#5
drjonts Loves to post MG ZT-T 160 Join Date: Dec 2015 Location: Devon Posts: 288 Thanks: 179 Thanked 70 Times in 53 Posts	David, If PP means polypropylene then it is a NAUGHTY WORD-NAUGHTY WORD-NAUGHTY WORD- to stick. Araldite-type epoxies are normally first attempt. Never used Gorilla glue but it does stick most stuff. There are some specialist glues that prime the surface to aid adhesion (surface energy increase apparently). Never used it but maybe stuff like this... http://www.loctiteproducts.com/p/sg_...ing-System.htm Plastic welding (with a soldering iron / pyrography burner) should always work...but not very pretty!!! Jonty