Product Overview
Our plastic screw caps are universal disposable plastic lids matched for PET plastic beverage bottles, drinking water bottles, juice bottles, daily chemical packaging bottles. We supply two inner thread structures (Type A & Type B), three mainstream calibers: 28mm, 30mm, 45mm, and abundant optional solid colors. Made of food-grade PP polypropylene raw material, lightweight, pressure-resistant, leak-proof, with anti-slip vertical stripes on the outer wall for easy twisting opening and closing. Widely used for drinking water, carbonated drinks, fruit juice, edible oil, lotion, household detergent packaging. We support customized color, surface logo printing, embossing, free sample service with buyer covering freight, factory direct bulk wholesale for global beverage factories, packaging distributors and cross-border sellers.
Core Selling Points
Dual Internal Thread Styles: Type A ribbed inner thread & Type B smooth standard thread, compatible with most domestic and international PET bottle blanks
3 Common Caliber Sizes: 28mm / 30mm / 45mm, covers most beverage & daily packaging bottle mouth specifications
Rich Color Selection: Red, blue, green, yellow, white, black, orange, silver and dozens of solid colors in stock; custom Pantone colors available
Food-Grade PP Material: Non-toxic, odorless, high toughness, resistant to extrusion, suitable for food & beverage direct contact packaging
Outer Knurled Anti-Slip Design: Vertical striped texture on side wall, effortless to tighten and unscrew by hand
Excellent Sealing Performance: Built-in inner sealing gasket option, effectively prevent liquid leakage, good for liquid long-term storage
Full Customization Available: Logo screen printing, embossed text, personalized color matching, customized packaging boxes
Flexible MOQ: Small trial orders acceptable for new merchants, large orders enjoy tiered discount prices
Free Sample Support: Physical samples can be sent out, customers only need to bear international shipping cost
Wide Application: Fit drinking water, soda, juice, vinegar, sauce, cosmetics, cleaning supplies plastic bottles
Product Structure Analysis
- Outer Knurled Body: Vertical stripe anti-slip wall, increases friction for convenient hand twisting; glossy plastic surface, smooth appearance.
- Top Flat Cover Surface: Blank plane, can be printed brand LOGO, text, patterns for brand promotion.
- Inner Thread Structure:
- Inner Sealing Groove: Can be equipped with PE sealing liner to enhance leakproof and dustproof effect.
- Raw Material: Virgin PP polypropylene plastic, no recycled waste material added, safe for food packaging.
Usage Installation Steps
- Confirm the bottle mouth caliber and thread type (Type A/B) to pick the matched bottle cap.
- Clean and dry the bottle mouth completely to avoid dust or liquid residue affecting sealing tightness.
- Align the cap inner thread with the bottle mouth thread, rotate clockwise gently until fully tightened.
- After screwing tightly, invert the bottle to test for leakage; no water seepage means good sealing.
- For mass production assembly: Can be matched with automatic capping machine for fast industrial screwing.
- Unscrew counterclockwise when opening the bottle for use.
Custom Parameter Table
| Item | Detailed Specifications |
|---|
| Product Name | Plastic Screw Bottle Caps for PET Bottles |
| Available Calibers | 28mm, 30mm, 45mm |
| Inner Thread Type | Type A (Ribbed Thread), Type B (Standard Smooth Thread) |
| Raw Material | Food Grade Virgin PP Polypropylene |
| In-Stock Standard Colors | Red, Green, Blue, Yellow, White, Black, Orange, Silver |
| Custom Service | Custom Pantone Colors, Logo Printing, Embossing, Custom Packing |
| Outer Surface | Knurled Anti-Slip Vertical Stripes |
| Optional Accessory | PE Foam Sealing Liner |
| Main Function | Liquid Sealing, Dustproof, Leakproof Packaging Closure |
| Sample Policy | Free Samples, Buyer Pays Shipping Fee |
| Packing Way | Export Standard Plastic Bag + Corrugated Carton |
| Applicable Bottles | PET drinking water bottles, juice bottles, cosmetic bottles, detergent bottles |
Applicable Scenarios
- Beverage Production Industry: Purified water, mineral water, fruit juice, carbonated drinks, vinegar, beverage filling packaging
- Edible Condiment Packaging: Vinegar, soy sauce, honey, edible oil, liquid sauce plastic bottle sealing
- Daily Chemical Products: Hand sanitizer, body lotion, shampoo, laundry detergent, household cleaner packaging
- Small Food Workshops: Homemade drinks, brewed beverages bottled sealing
- **Cross-Border E-commerce Supplies: Packaging accessories sold to Amazon, Shopify offline stores
- Laboratory & Household Storage: Liquid reagent, homemade essence small bottle sealed storage
Our Factory Strength
We are a professional plastic injection molding manufacturer focusing on plastic bottle caps packaging accessories for over 12 years, serving global beverage factories and packaging wholesalers:
- Full automatic injection molding production lines, daily output up to millions of caps, stable delivery for large bulk orders
- Strict raw material inspection + 3 times finished product sealing test before shipment, zero leakage defective rate guaranteed
- Professional mold workshop, can open new customized molds according to customers' exclusive size demands
- Professional color matching laboratory, accurately deploy all Pantone color numbers for personalized brands
- Mature export logistics experience, packaging optimized for long-distance sea transportation to prevent extrusion damage
- Multilingual sales team online 24 hours, fast quotation and customization scheme reply
Packaging & Sea Freight Specification
| Details | Specific Content |
|---|
| Inner Packing | Caps sorted by size, color & thread type, packed into PE plastic bags separately |
| Outer Carton | 5-layer thickened export corrugated carton, marked moisture-proof label |
| Transportation Options | Ocean Freight, Air Freight, International Express |
| Logistics Guarantee | Damaged goods caused by transportation will be reissued free of charge |
Advantages of Choosing Us
- Factory direct sale without middlemen, competitive wholesale price, big orders get extra preferential discount
- Two thread types & three mainstream sizes fully stocked, support mixed size and mixed color delivery
- Food-grade safe raw materials, comply with EU food contact material standards, can provide material test reports
- Flexible customization: color, logo, inner liner, outer package all can be adjusted as your requirements
- Perfect after-sales service, timely solve size mismatch, quality and customized problems for overseas buyers
Kindly inform us your required caliber, thread type, color, order quantity and customized demands, we will send you detailed price list, packing details and arrange free samples for you promptly!
Get Your Custom Wholesale Quotation Right Now
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.
