Rubber Is a Crop. That Fact Explains Your Unstable Quotes.

You asked three suppliers for a price. The numbers came back miles apart. Then a batch arrived that cured differently from the last one, and everyone blamed “material variation.” I’ve heard this story dozens of times, and the cause is almost always the same: natural rubber is a farm product, not a chemical. More than 90% of the world’s supply comes from the Hevea brasiliensis tree, tapped much like maple syrup. China grows roughly 800,000 metric tons a year (2023 figures from the China Rubber Industry Association). Sounds impressive. It covers only about 20% of what the country actually consumes, so the balance gets shipped in from Southeast Asia before local factories process it. Your supply chain now sits at the mercy of weather, tree disease, and harvest cycles. Think coffee or cocoa. One of our clients felt this directly: a November typhoon