Aluminum 31.5mm Screw Cap Tamper-Evident Seal Food-Grade Plastic Retractable

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Neck Finish	31.5x24mm, 31.5x44mm, 31.5x60mm (Industry standards for premium retractable pourer profiles).
Compliance	FDA approved, BPA free, Food grade
Compatibility	Suitable for glass bottles
Supply Ability	375ml and below: 200,000 Pcs/ Day / Production Line; 500ml, 750ml: 150,000 Pcs/ Day / Production Line; 1000ml and above: 100,000 Pcs/ Day / Production Line.
Diameter	31.5mm standard outer diameter
Sealing Type	Tamper-evident, Child-resistant, Standard seal
Neck Type	Screw Top
Usage	Beverages, Pharmaceuticals, Cosmetics, Chemicals
Type	Screw Cap
Delivery Time	Pallet Packaging: Ships 7–14 days after order placement Carton Packaging: Ships 20–25 days after order placement
Color	Customizable (e.g., Red, Blue, Green, White, Black)
Customization	Logo printing, Embossing, Labeling
Payment Terms	T/T,L/C
Material	Aluminium，PP/PE
Place of Origin	China
Brand Name	CY Glass

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Product Details
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Product Specification


Neck Finish	31.5x24mm, 31.5x44mm, 31.5x60mm (Industry standards for premium retractable pourer profiles).	Compliance	FDA approved, BPA free, Food grade
Compatibility	Suitable for glass bottles	Supply Ability	375ml and below: 200,000 Pcs/ Day / Production Line; 500ml, 750ml: 150,000 Pcs/ Day / Production Line; 1000ml and above: 100,000 Pcs/ Day / Production Line.
Diameter	31.5mm standard outer diameter	Sealing Type	Tamper-evident, Child-resistant, Standard seal
Neck Type	Screw Top	Usage	Beverages, Pharmaceuticals, Cosmetics, Chemicals
Type	Screw Cap	Delivery Time	Pallet Packaging: Ships 7–14 days after order placement Carton Packaging: Ships 20–25 days after order placement
Color	Customizable (e.g., Red, Blue, Green, White, Black)	Customization	Logo printing, Embossing, Labeling
Payment Terms	T/T,L/C	Material	Aluminium，PP/PE
Place of Origin	China	Brand Name	CY Glass
High Light	Retractable Pourer Spout Screw Cap ，Tamper-Evident Seal Screw Cap ，Olive Oil Bottles Screw Cap

Aluminium Screw Cap 31.5mm with Retractable Pourer Spout for Olive Oil

This aluminum screw cap for olive oil features an innovative, retractable plastic pouring spout, specifically designed for liquid condiments. This advanced "two-in-one" closure system combines the classic, minimalist aesthetic of a tamper-evident aluminum outer cap with an integrated, food-grade plastic pouring spout.

Upon opening, the spout automatically extends to ensure precise, drip-free pouring; when the cap is tightened, the spout fully retracts into the bottle neck, ensuring a leak-proof seal that effectively blocks air during international transport, fully protecting the product from oxidation and preserving its freshness.

Product Specifications

Specification	Details
Neck Type	Screw Top
Neck Finish	31.5x24mm, 31.5x44mm, 31.5x60mm (Industry standards for premium retractable pourer profiles)
Diameter	31.5mm standard outer diameter
Applicable Bottle Volume	Universally fits premium glass bottles from 250ml, 500ml, 750ml, to 1000ml
Material	Outer Cap: Premium Aluminium - Lightweight, rustproof, excellent mechanical strength Inner Spout Mechanism: Food-Grade Plastic (PP/PE) - High structural durability, smooth extending elasticity, 100% BPA-free Integrated Telescopic Valve Seal: Multi-layer nested plastic structure acts as its own robust liner, providing maximum vertical and lateral leak prevention
Features	Retractable/Telescopic Spout: Pop-up or pull-out pouring neck with specialized oil-return groove Tamper Evident: Built-in drop-ring or tear-band indicates first-time opening Surface Finish: Available in Elegant Matte/Satin Finish, High-Gloss Mirror Surface, or Metallic Brushed texture Color: Outer cap supports any Custom Pantone Color; inner plastic spout typically black Logo/Printing: Supports high-definition multi-color lithography, silk screen printing, foil hot stamping, and embossed corporate imagery
Application	Extra Virgin Olive Oil, Avocado Oil, Walnut Oil, High-end Balsamic Vinegars, Premium Syrups
Packing	Export-safe master cartons with PE inner liners, stacked on ISPM-15 compliant plastic/wooden pallets

Applications

Premium Private Label Extra Virgin Olive Oil: Perfect upgrade for luxury olive oil brands looking to replace traditional standard pourers with a high-tech, functional packaging experience that justifies premium retail pricing.
Smart Packaging for Modern Food Brands: Highly favored by organic condiment exporters whose end-consumers demand an ergonomic, mess-free, and portion-controlled pouring experience for daily salad dressing and cooking.
Anti-Counterfeiting Commercial Bottling: Sophisticated irreversible or structural telescopic mechanism acts as an exceptional secondary barrier, preventing fraudulent refilling and protecting brand equity for commercial estates.
High-End Gift Sets & Organic Cooperatives: Provides a distinct marketing point for corporate buyers curating artisanal gift packs, subscription boxes, or high-margin boutique wellness food product lines.

Precautions

Capping Machine Torque Calibration: For automatic capping lines, ensure that the capping head's torque is calibrated appropriately. Excessive torque can over-compress and damage the double-coated PE liner, while insufficient torque may fail to engage the liner's sealing properties against the glass rim.
Bottle Mouth Flatness Inspection: The double-coated PE liner relies on a flat, smooth glass bottle mouth to achieve a 100% airtight seal. Ensure your glass bottles comply with standard quality tolerances (free of glass seams or chips on the rim). We highly recommend sourcing both glass bottles and caps from our factory for a guaranteed seamless fit.
Storage Environment Guidelines: Keep bulk stock in a cool, dry warehouse below 35°C (95°F) and away from direct sunlight. High temperatures can cause plastic distortion or affect the elasticity of the PE foam liner.
Sterilization and Washing Temperature: If the caps need to undergo sanitization before bottling, use chemical sanitizing methods or cool-water washes. Do not subject the caps to high-temperature steam autoclaving (above 65°C / 149°F), as excessive heat can deform the plastic PP shell and cause the double-coated film on the PE liner to delaminate.

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory



Business Type:

Manufacturer,Trading Company,Exporter 


Year Established:

2006 


Total Annual:

10000000-50000000


Employee Number:

100~200 


Ecer Certification：

Verified Supplier 

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Room 0819, Yujing Building, Beixi 5th Road, Zhangdian District, Zibo City, Shandong Province
https://www.glassbottleempty.com/

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