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Polythene Layflat Tubing Explained

Polythene layflat tubing (usually referred to as just "layflat") is an endless and seamless tube of polythene in exactly the state in which it comes from the extrusion machine. Looked at simply it is a continuous polythene bag with no bottom!

How can I secure the ends of my layflat?

You can close layflat by all the same methods as any polythene bag. Most people tape the ends, some use a stapler and many heat-seal the ends. You can even tighten cable ties around the ends!

Is layflat tubing watertight?

If you are planning to make bags which will be filled for short periods they will be watertight, but after 24/48 hours you may see some leaking. You would also need to use heavy duty, or double welds.

Can I freeze layflat wrapped round fish?

Yes - polythene is temperature stable in a domestic freezer. It is not suitable in commercial freezers because the temperature is too low, and drops too quickly. It will cause the polythene to crack. For this purpose you will need the additive EVA which reduces stress fractures and is available on special order with a minimum order of 10 rolls.

Can I use layflat as air-ducting?

Yes - lots of people use layflat as cheap air-ducting; not only that, but wherever you want extra air simply make a hole in the duct! It can also be used to carry air-born products into silos, etc.

What is the diameter of 12" (305mm) layflat?

Our listed layflat dimensions are half the circumference (i.e.the circumference is twice the width when laid flat). This means that a 305mm wide tube does NOT fit a 305mm dia pipe.

To go over a 305mm pipe the layflat circumference would need to be 305 x 3.142 (Diameter X pi) = 958mm This is twice what the laid flat width would be; so - halve it for the right width, in this case 479mm. The nearest available size is 508mm (20") - a nice fit with a little to spare.

Can I make my own bags from layflat tubing?

Yes, you’ll need a heat sealer with a cutter to make life easy. If you are packing components of varying lengths but a common width, layflat is the ideal solution. It saves stocking loads of different size bags.

What duty should I use to pack a steel angle-iron?

Our polythene layflat tubing comes in three duties...

Rule out Medium duty immediately - it won’t be tough enough to hold the angle-iron. Heavy duty will be fine on your own vehicles with limited handling, but for despatch on outside carriers we recommend the ultra heavy.

What duty should I use for packing curtains?

For these the Medium duty will be sufficient, but not if you are shipping them by carriers. In that case use Heavy duty.

How long are the rolls of layflat tubing?

Polythene Layflat Tubing

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