21.5mm Plastic Spout Cap
2 food-grade 21.5mm spout-cap models 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).
Larger-bore spout caps like this handle thicker or higher-flow contents — laundry detergent and other daily-chemical liquids, cooking oil, mustard and cream sauces, windshield washer fluid, liquid fertilizer, and 3-5 L beer pouches.
Compare 21.5mm models
Same bore, 2 models. What separates them is the cap — its style, the material it is moulded in, and its dimensions.
More 21.5mm models
Also tooled at 21.5mm and available to order. Photography for these is in progress — ask us for samples or a datasheet and we will send images with the quote.
| Model | 内径 | 尺寸 | 材质 |
|---|---|---|---|
| RD-103 | φ21.5mm | 出水口尺寸：39.7×60.7×32 · 瓶盖尺寸：φ30.5×17.7 | PE |
| RD-104 | φ21.5mm | 出水口尺寸：39.7×60.7×32 · 瓶盖尺寸：φ30.5×17.7 | PE |
21.5mm Spout Cap — FAQ
What pouches use a 21.5mm spout cap?
Our 21.5mm spout caps are used on stand-up pouches for 适用于橙汁袋; 适用于便携式果汁、运动饮料和代餐奶昔塑料软袋, and similar liquid or powder products.
How many 21.5mm spout cap models does Ruihua offer?
We currently offer 2 21.5mm spout-cap models in food-grade PP and PE, with custom colors and dedicated mold development available on request.
What is the tolerance on the 21.5mm inner diameter?
21.5mm 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 21.5mm spout caps food-grade and certified?
Yes — 21.5mm 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.
食品接触安全认证
