MEDILAB offers a premium selection of Cork Stoppers and Cork Products engineered for reliable sealing, storage, and laboratory applications. Crafted from high-quality natural cork, our stoppers provide excellent flexibility, chemical resistance, and airtight performance for glassware and scientific equipment.
Backed by 35+ years of manufacturing expertise, international quality standards, and a strong global export network, MEDILAB is a trusted supplier for laboratories, pharmaceutical units, universities, industrial users, and scientific distributors worldwide.
Our range includes solid cork stoppers, bored cork stoppers, laboratory-grade cork sheets, and custom cork solutions, designed to meet diverse scientific and industrial needs.

Key Product Features

• Made from premium natural cork, ensuring elasticity, compressibility, and airtight sealing.
• Available in a wide range of sizes and grades to match flasks, tubes, bottles, jars, and scientific apparatus.
• Excellent chemical resistance to alcoholic solutions, mild acids, and various reagents.
• Lightweight, durable, and reusable, offering long service life in everyday laboratory use.
• Non-toxic, biodegradable, and eco-friendly, supporting sustainable laboratory practices.
• Smooth finish and precise dimensional accuracy for a secure, leakproof fit.
• Customisation options are available for special laboratory or industrial requirements.

Common Applications

Laboratories & Research Facilities

• Sealing test tubes, culture tubes, flasks, and reagent bottles
• Safe sample storage and transport
• Supporting microbiology, chemistry, and general science experiments

Pharmaceutical, Food & Industrial Settings

• Bottle sealing in production and QC processes
• Use in herbal extraction, fermentation, and formulation labs
• Moisture-control applications and equipment insulation

Educational & Training Institutions

• School and college laboratory setups
• Hands-on experiments involving controlled sealing and storage

Craft, Environmental & Specialty Uses

• Model making, prototyping, and craft projects
• Eco-friendly research and sustainable design projects

Handling & Safety Guidelines

• Ensure cork stoppers fit firmly but not excessively tight to avoid damage to glassware.
• Avoid use with highly corrosive or strong oxidising chemicals.
• Store cork products in a dry, cool environment to prevent swelling or microbial growth.
• Avoid direct exposure to high temperatures, flames, or autoclaving (natural cork is not heat-sterilisable).
• Replace stoppers that show cracks, brittleness, deformation, or chemical wear.

MEDILAB’s Cork Stoppers & Cork Products are trusted by global B2B customers for their reliability, consistency, and large-scale availability.

Why B2B Buyers Prefer MEDILAB

• 35+ years of specialised manufacturing expertise
• Consistent sizing and quality control across large batches
• Wide range of cork grades and sizes ready for immediate dispatch
• Competitive bulk pricing for distributors, pharma companies, and institutional buyers
• Custom branding and packaging options for scientific suppliers
• Proven export capabilities, serving customers in multiple countries
• Dedicated support team for quotations, documentation, and logistics