The 29/21 CTC (continuous thread closure) cap is the standard closure for edible oil PET bottles in India — 250 ml, 500 ml and 1-litre packs. We injection mold 29/21 CTC caps in food-grade material with tight thread tolerances, so caps seat and torque correctly on high-speed capping lines without cross-threading or leakage.
250 ml, 500 ml and 1-litre edible oil bottles (mustard, soybean, sunflower, groundnut oil), and other 29/21-neck PET bottles.
Edible oil packers and refiners, oil brands, PET bottle manufacturers.
Not sure which size fits your jar or bottle? See our cap size & neck finish guide →
The 29/21 CTC cap is the standard screw closure for edible oil PET bottles in India, used on 250 ml, 500 ml and 1-litre packs. The 29/21 refers to the neck finish: 29 mm outer diameter across the threads, 21 mm inner diameter.
Yes. All our caps for food and edible oil packaging are molded from food-grade raw material.
Yes. Our color matching process ensures the caps you receive in bulk match the sample you approve.
