poly

I've tried the search function and came up with zippo- I have some bags marked "Linear LD Poly Bags". From what i can tell they are LDPE and safe for food storage. They are 0.75mil thick. I usually store in mylar and seal with a flat iron. What is a practical way to seal these? Will they melt on...

The most common materials used for above ground water tanks are 1. Poly/plastic 2. steel 3. concrete Poly tanks - these are light weight, easier for transportation and, moving into place on foundation pads. They generally have a longer life than steel tanks, usually UV stabalised. However...