実践ガイドと実践チュートリアル

One UV grade does not fit every net — which is why we run different stabilizer packages across our lines.

A net spends its life in a specific way: under glass, in full sun, up for one season or for a decade. That pattern decides how much UV protection it actually needs. The mistake I see most is treating “UV-stabilized” as one thing — a grower stretches insect netting rated for a covered house over an open field, or assumes a shade-cloth assurance covers his new vineyard net.

The sun doesn’t read the product category; it reads exposure and time. This guide maps the real UV requirement for hail, shade, insect and vineyard nets, and shows how to turn your region and product into one spec.

— ケビン・リュウ、EyouAgro

UV stabilization is the most misrepresented attribute in netting, because the buyer can’t see it.

Two nets can both say “UV-stabilized HDPE” on the quote and differ by years of real life. After 28 years on the manufacturing side, I can tell you the way to cut through it is documentary, not visual: the resin spec, a current accelerated UV report, and a batch number that ties that report to the goods you actually receive.

The trap I’ve watched catch the most buyers is the silent spec drop — a genuinely good sample lot, then a bulk order quietly built lighter. This guide is the exact checklist I’d use if I were the buyer, plus the red flags and a version you can write straight into a tender.

— ケビン・リュウ、EyouAgro

Buyers rarely need to memorise UV chemistry — they need to know which system belongs in アプリ環境に合わせて 製品。

HALS scavenges the radicals UV creates and is the backbone of almost every net we make. UV absorbers suit thicker, pigmented goods. Carbon black is the most durable of all — unpigmented polyethylene lasts about 9 months outdoors, a carbon-black grade over 25 — but only where black is acceptable.

I once had a buyer insist a black net “lasts longer because it’s black.” He was half right. You can’t borrow carbon black’s durability for a coloured net. This guide compares all three with real numbers, then gives you a decision framework you can apply straight to a quote.

— ケビン・リュウ、EyouAgro

After 28 years exporting nets, the question I’m asked most is the one suppliers dodge: how long will it actually last?

The honest answer is a range — 3 to 5 years for insect netting, 8 to 12 for proper hail netting — and the range is set before you buy, by the material more than the marketing. I’ve watched a net “fail early” that was simply rated for the wrong sky: a European spec deployed in Australia, double the sun. It did exactly what it was built to do.

This guide gives you the real field-life numbers by product, what “5-year life” technically means (50% tensile retention, not how new it looks), the failure signs worth catching early, and why a thin or recycled net can’t be rescued by more UV additive.

— ケビン・リュウ、EyouAgro