Heavy-Base Flat-Shoulder Glass Bottles (10-50ml)

Premium Stability for Serums, Essential Oils & Concentrates

Introduction

Introducing Flat-Shoulder Glass Bottles with Reinforced Base – engineered for top-heavy formulations requiring superior stability. Ideal for high-value serums, CBD oils, and photolabile concentrates.

Advantages

Primary Advantages

● Anti-Tip Design: 40% lower center of gravity vs. standard rounds

● >99% UV Blocking: Schott Type I amber glass (ISO 18937 certified)

● Precision Ground Neck: ±0.03mm tolerance for leak-proof seals

Why should I buy these bottles?

● Reduce shipping damage by 62% (ISTA 3A test data)

● Enable shelf-ready premium display (flat labeling surface)

● Compatible with all dropper caps (20/410 standard)

Competitive Differentiation

Main Functions

Key Features

● 360° flat labeling surface

● -30℃ to 180℃ thermal shock resistance

● USP <660> Type I compliance

Purpose

Protect light-sensitive actives while preventing costly spills during filling/transport.

Benefits

● 30% faster filling line throughput (flat-bottom advantage)

● Zero label application rejects

● FDA-approved for injectable-grade packaging

Use

Applications

● Luxury anti-aging serums

● Phototoxic essential oils

● PCR diagnostic reagents

● Nanomaterial suspensions

Users

● Skincare formulators

● Functional food brands

● Biotech labs

● Apothecary stores

Cautions

● Avoid impact on shoulder edges

● Thermal shock ΔT <100℃/min

Specifications

Technical Parameters

● Light Transmission: <3% @450nm

● Drop Height Survival: 1.5m (ISTA 3A)

● Internal Pressure: 0.8MPa

Components

Standard Package

● Borosilicate glass body

● Aluminum collar

● Phenolic resin cap

● PTFE/silicone septum

Accessories

● Euro-style droppers

● Tamper-evident sleeves

● Custom silk-screen printing

● Nesting trays

Product Facts

Did you Know?

Flat shoulders increase label adhesion by 70% compared to curved surfaces (ASTM D3330 test).

Industry Insight

Thick-base bottles reduce vial breakage in cryogenic storage by 90% (LN2 immersion tests).

Comparison

Manufacturing

● CNC mold forming (≤0.005mm tolerance)

● Automatic optical inspection

● Helium leak testing @10⁻⁶ mbar·L/s

Market Reach

Key Sectors

● North America (cosmeceuticals)

● Switzerland (precision diagnostics)

● Japan (luxury skincare)

Customer Reviews

"Zero breakage in our -80℃ peptide storage. Saved $12k/month in replacement costs."
- Biotech Lab Director

"Flat shoulders allowed 100% automated labeling. Production efficiency up 25%."
- Cosmetics Manufacturing VP

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