Engineered to Protect Your Harvest.

This one is counter-intuitive, so I’ll say it plainly: when a grower emails me that a net “failed early,” more than half the time the UV grade isn’t the cause at all.

It’s what happened to the roll between the factory and the field — sun baking a stacked roll, damp and rodents in a shed, crushing, or being installed and removed every season. One grower sent me photos of a “UV-failed” net where the damage stopped in a clean line down one face: the roll had sat half-out of a doorway all summer, one side in the sun, the other shaded. The net was fine; the storage wasn’t.

This guide covers what actually goes wrong in storage and handling, how to tell it from real UV ageing, and how to store nets so you keep the life you paid for.

— Kevin Lyu, EyouAgro

“Is the black net more durable?” is one of the most common questions I get — and the honest answer is: sometimes, for one specific physical reason, not because dark colours are magic.

Black lasts longer when the colour comes from carbon black, which physically blocks UV — about 25 months versus 9 for unpigmented polyethylene. But a net dyed dark with ordinary pigment gets none of that. I once watched a buyer dismiss a white net that actually carried a heavier HALS load than the black one he insisted on.

This guide is about colour and UV service life — judge carbon black, or the HALS package, not the shade. Choosing colour for your crop is a separate decision.

— Kevin Lyu, EyouAgro

Most buyers never see the masterbatch stage, so suppliers rarely talk about it — which is exactly why I think you should look there.

UV masterbatch is the concentrated pellet of stabilizers and antioxidants we blend into the HDPE before a net is spun. It’s where protection is actually built in. Early in my career I assumed two nets quoting “the same UV percentage” were equivalent. They’re not: I’ve seen a net with a respectable loading fail in patches because the masterbatch was under-dispersed and the additive clumped — whole sections effectively unprotected while the average number read fine.

This guide opens up how UV protection gets engineered into a net — loading, dispersion, and the virgin carrier behind the label — so you know what to ask.

— Kevin Lyu, EyouAgro