Lecos
Lecos
Explore our engineering-grade cosmetic bottles, vials, and jars tailored for critical formulation stability.
Understanding the micro and macro parameters driving essential oil packaging requirements.
We analyze the electromagnetic spectrum wavelengths (290nm to 450nm) to engineer amber and opaque blue glass formulations that absorb photo-reactive energy, ensuring the longevity of active terpenes.
Every pipette assembly undergoes precise calibration checks to guarantee droplet weight consistency, catering to pharmaceutical-grade formulations and active cosmetics.
By balancing rubber bulb chemistry (NBR, Silicone, and TPE compatibility) with specific oil terpenes, we prevent cap collapse, chemical migration, and leakage during transport.
A technical assessment of Type I and Type III glass performance under rigorous B2B testing scenarios.
When engineering premium dropper packaging, material purity is paramount. Essential oils contain highly active chemical compounds (such as limonene, pinene, and linalool) that act as organic solvents. Standard plastic packaging often suffers from polymer degradation, stress cracking, and flavor scalping. We resolve this by exclusively implementing high-purity glass types that display absolute chemical inertness.
Type III Soda-Lime Glass vs. Type I Borosilicate Glass: For standard cosmetic applications, Type III glass provides an exceptional balance of mechanical strength and hydrolytic resistance. However, for specialized clinical oils and highly concentrated acids, we deploy Type I Borosilicate glass, featuring a low expansion coefficient ($3.3 \times 10^{-6}\text{ K}^{-1}$) and superior thermal shock parameters, maintaining product integrity under extreme environments.
Our glass bottles undergo hot-water and acid-resistance tests conforming to international standards (USP <660> / EP 3.2.1). This limits sodium ion leaching to less than 0.2 ml of 0.01M HCl equivalent per gram of glass grains, ensuring your formulation's pH remains stable throughout its shelf life.
Lecospack is dedicated to offering bespoke solutions that elevate product value on competitive shelves. Our production environment utilizes automated Individual Section (IS) bottle-blowing machines integrated with inline vision inspection systems to eliminate microscopic structural anomalies.
To align with luxury brand visual identities, we provide extensive custom deep processing, including:
How we are resolving B2B challenges in eco-compliance, child-resistant requirements, and smart logistics.
Increasing the ratio of Post-Consumer Recycled glass up to 45% without compromising clarity or tensile strength. We run proprietary decolorizing processes to neutralize organic impurities.
Developing push-down and turn pipette assemblies compliant with international safety mandates (US 16 CFR § 1700.20 / ISO 8317), safeguarding children while maintaining brand aesthetics.
Introducing Fluorocarbon (FKM) elastomer bulbs specifically calibrated for aggressive high-terpene blends, preventing rubber degradation, hardening, and product contamination.
Lecos Glass's foundational values built upon robust operational ethics and environment-conscious policies.
Who We Are: Lecos Glass has been dedicated to the glass packaging industry for over 10 years with our innovative wholesale glass bottles and jars for cosmetics, perfume, personal care, essential oils, and candle jar glass packaging. We pride ourselves on being good at offering bespoke glass bottles to our clients. Basically, we have a large range of glass bottles, jars, and accessories you'll ever need!
What We Do: Lecospack provides professional glass cosmetic packaging solutions to worldwide customers. With years of experience in the field, we are capable of providing innovative, stable quality, and cost-effective packaging according to the customer's DNA. The quality of glass products has been strictly controlled, which has won the favor of both domestic and foreign customers, and we work with many brands directly and indirectly. We also offer all kinds of customized deep processing for glass bottles, such as frosting, electroplating, spraying, decal, and silkscreen, etc.
High Quality Consistency
Strategic Cost Structures
End-to-End Account Management
Our company is built on a solid foundation of deeply held values that set us apart, steer our actions, and infuse every aspect of our corporate culture. These values are not just words; they are the principles that guide how we operate daily. Central to our business practices are our unwavering commitment to social responsibility, adherence to ethical standards, and steadfast support for universal human rights. We are also dedicated to protecting the environment and making a positive impact in the communities where we live and work. We believe in fostering creativity and innovation, celebrating and embracing the richness of diversity, and treating our employees with the utmost respect and care. By upholding these values, we ensure that our company remains a responsible, ethical, and inspiring partner in the glass packaging supply chain.
Bespoke dropper systems engineered for high aesthetics, functional precision, and chemical durability.
Partnering with elite aesthetic labels and global packaging distributors worldwide.
Expert answers addressing testing compliance, international logistics, custom decoration, and ordering terms.
Premium jars, vials, and customizable dropper bottles designed for professional brands.
