https://www.youtube.com/embed/i04PKY9o7Nk?feature=oembedme and my mate on lunch at work lol was tryinng to land it on my head..
Mine have various company labels on. Mates a sign writer so did me hundreds of panel stickers, which get stuck on anything.Out of Curiosity, How many have actually Wrote their name or anything else on their hard hats? Or even put a sticky label on there?
Yeah, had a feeling that was going to be the case. First time I've heard this though. If it's a major issue then surely it would have been mentioned on one of the many site inductions or health and safety courses, or somewhere anyway as loads of plastics have stickers and markers all over them and are still in one piece.Polycarbonate and solvents in marker pens, sticker adhesive etc dont mix and can cause cracks.
It's the same for plastic motorbike helmets, the solvent can cause weaknessesPolycarbonate and solvents in marker pens, sticker adhesive etc dont mix and can cause cracks.
heard of that a while back.Polycarbonate and solvents in marker pens, sticker adhesive etc dont mix and can cause cracks.
deffo still the case, why any decent bike helmet is made of fibreglass or some other composite,It's the same for plastic motorbike helmets, the solvent can cause weaknesses
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