33mm Plastic Spout Cap
1 food-grade 33mm spout-cap model for stand-up pouches, in PP and PE with custom colors and in-house molds. Certified ISO 9001, HACCP, FDA and EU 1935/2004 (TÜV SÜD).
Extra-large-bore spout caps at this size are built for high-flow, large-volume pouches — grains, rice, flour and pet food, 5 L water and liquid-fertilizer packs, often paired with a carry handle.
33mm Spout Cap — FAQ
What pouches use a 33mm spout cap?
Our 33mm spout caps are used on stand-up pouches for 用途：米、シリアル、雑穀などの穀物類、ペットフード（キャットフード, ドッグフード）用袋など, and similar liquid or powder products.
How many 33mm spout cap models does Ruihua offer?
We currently offer 1 33mm spout-cap model in food-grade PP and PE, with custom colors and dedicated mold development available on request.
What is the tolerance on the 33mm inner diameter?
33mm is the nominal inner diameter, and we hold production to within ±0.1 mm of it, so every spout in a batch seats the same way on an automated filling line.
Are 33mm spout caps food-grade and certified?
Yes — 33mm spout caps are made of food-grade PP and PE and certified to ISO 9001, HACCP, FDA and EU 1935/2004 (TÜV SÜD) for direct food contact.
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