Food Grade PP Plastic Screw Water Bottle Caps 28/30/38mm

Product Overview

We are a 16+ years certified professional packaging supplier with CNAS, ISO, CE, FC certifications. Our ribbed PP screw caps are designed for standard mineral water, sports drink and baby water bottles, available in three mainstream calibers (28mm, 30mm, 38mm). Equipped with leak-proof PE sealing liner, the caps adopt non-toxic food-grade PP raw material, with full-color & packaging OEM customization support.

Product Size

Three standard thread diameters for matching plastic beverage bottles:

1. 28mm screw cap
2. 30mm screw cap
3. 38mm screw cap
   All caps feature vertical anti-slip knurling on outer wall for easy twisting.

Product Detail

1. Premium Food-Grade PP Raw Material
   High-strength virgin polypropylene, high toughness, wear-resistant, no recycled filler, stable structure after long-term extrusion.
2. Eco-Friendly & Non-Toxic Tasteless
   Compliant with international food contact safety standards, no peculiar smell, no harmful substance precipitation, safe for infant drinking water packaging.
3. Excellent Durability & Anti-Crack Performance
   Thickened cap wall structure, resistant to drop and extrusion during long-distance bulk transportation, not easy to crack or deform.
4. Leak-Proof PE Sealing Liner
   Built-in soft blue PE gasket, closely fits bottle mouth after tightening, effectively prevents liquid leakage and beverage oxidation.

Application Scenarios

• Daily mineral water plastic bottle sealing
• Baby drinking water bottle matching
• Outdoor sports portable beverage packaging
• Indoor yoga & fitness portable water container

Customized Service

1. Color Customization: Custom any Pantone color for cap body and sealing liner, abundant bright/matte color options.
2. Mold & Structure Customization: Professional design team develops exclusive molds for non-standard bottle mouth diameters.
3. Logo Customization: Silk screen printing, emboss brand logo on cap top upon request.
4. Packaging Customization: Custom export carton with printed brand logo, size and material adjustable.

Packaging & Factory Advantage

Packaging

Inner bulk plastic woven bag packing; outer standard export carton; pallet stacking for large orders to avoid extrusion damage during transit.

Factory Strength

• Complete automatic injection molding production workshop, full-process QC inspection for every batch.
• Mass spot inventory ensures fast shipping, three global logistics modes: sea freight, air freight, land freight covering worldwide markets.
• Long-term customer positive feedback for stable quality, fast delivery and responsive after-sales service.

FAQ

1,How can we know these are really lead free and food grade?

As usual for glass we have common material , high white material, crystal white material, all these material are suitable for food

grade and lead free, we pass food grade test,no need to worry safety.

2, How can I get a sample to check your quality? Do you offer free sample?

-- Yes, free samples are available,direct trade assurance order is allowed. Only freight cost is on your side which will be

refundable once the order was placed. Or if you have a courier account, we can arrange samples by collected.

3,How about the Safe package and defective and broken questions?

-- For small order or samples, we all use bubble bags or foam to pack one by one, so far customers who placed small orders have

not yet feedback about the damaged problem.

--For large quantity of container order, we support the standard export pallet package or paper carton with safe egg packing. Also

we accept customized gift box.

--Other accessories like caps will put in another carton to avoid hitting. We will guarantee the broken rate under 0.2%.

--We will compensate the defective and broken bottles by your next order freely.

4,What surface handing could you support? Shall we do our logo on it?

--Sure, we can do the logo as you need and support decoration firing ,screen printing, hot stamping, frost, label printing etc.

--About printing color: it can be made according to PANTONE color number.

5, How about the sealing?

For glass jar, we have glass lids, plastic caps, metal caps and ect ,all these kinds of lids will be matched with the jar

perfectly and sealing very well. There is a small strip of rubber under the lid where the glass hits the lid. They seal pretty

well.Food-grade rubber in line with EU export standards,the lids are very easy to screw on and off. Just one twist for on and one

for off.

6,What about the lead time?

-- samples will be send within 12-24hours after we receive your payment;

--small orders will be delivery within 7-10 days after we receive your payment.

--large quantity orders will be delivery with 20-25days.

7,What is your payment?

--For sample or trial order,we accept Paypal,western union and trade assurance.

--For larger orders,T/T or L/C or trade assurance will be acceptable.

8,What's your shipping terms?

For samples or trial order,FEDEX,DHL,UPS ,TNT,ARAMEX can be provided.

For larger orders,delivery by air or sea or rail accord to your requirements, we will try to help you to choose the best way depending your actual situation.