The Value of Quality Plasticware in the Laboratory

Durable, Dependable: The Value of Quality Plasticware in the Laboratory

At Vitraform, we’ve built our reputation on supplying premium laboratory glassware—but not all experiments call for glass. In many modern labs, high-grade plasticware plays a crucial role in daily operations. Its chemical resistance, heat durability, and flexibility make it an indispensable asset across diverse applications.

Whether you’re mixing reagents, storing solutions, or cleaning plasticware, choosing the right plasticware can improve safety, extend product lifespan, and reduce long-term costs.

Why Durability Matters in Laboratory Plasticware

When selecting plasticware, it’s not just about shape or size – it’s about how well the material handles exposure to chemicals, heat, and repeated use. According to our chemical resistance guide (see chart below), different plastic materials respond uniquely to acids, solvents, hydrocarbons, and oxidisers.

Here’s what to consider:

Chemical Compatibility

Plasticware must endure contact with acids, alcohols, ketones, and solvents without degrading. For example:

Polypropylene (PP) and High-Density Polyethylene (HDPE) are highly resistant to both strong acids and most solvents.
Polystyrene (PS) is unsuitable for strong oxidising agents and aromatic hydrocarbons—avoid it in demanding applications.

Use our chemical resistance chart to match the plastic type to your lab’s reagents for safe, long-term usage.

Sterilisation & Heat Resistance

Autoclaving is essential in many labs. Not all plastics can withstand it:

PP and PC tolerate high heat and repeated autoclaving.
LDPE and HDPE offer some heat resistance but may warp over time.
PS is not heat-resistant and should never be autoclaved.

Clarity for Visual Work

When transparency is required:

Polycarbonate (PC) offers excellent clarity and visibility—ideal for tests that need visual confirmation.
Polystyrene (PS) also provides clarity but lacks durability under chemical stress.

Laboratory Plasticware:

Types and Their Typical Uses

Type	Common Use
Beakers	Mixing, stirring, and short-term liquid storage. Volume markers included.
Measuring Cylinders	Precise liquid measurement. Available in a range of calibrated volumes.
Reagent Bottles	Chemical storage with tight screw-cap seals for safe distribution.
Wash Bottles	Controlled dispensing of cleaning agents or water during rinsing.
Flasks	Available in Erlenmeyer, volumetric, or round-bottom designs for mixing or heating.
Petri Dishes	For culturing cells or bacteria—common in microbiology.
Test Tubes & Racks	For sample storage, reactions, and centrifugation. Easy organisation.
Pipette Stands	Organises pipettes for easy access and sterile storage.

Material Guide:

Choosing the Right Plastic

Material	Key Features
Polypropylene (PP)	Excellent chemical resistance, autoclavable, durable.
HDPE / LDPE	Good chemical resistance; flexible; not suitable for high-heat sterilisation.
Polycarbonate (PC)	Transparent, high strength, moderate chemical resistance, autoclavable.
Polystyrene (PS)	Clear, rigid, cost-effective, but limited chemical and heat resistance.
PTFE (Teflon)	Exceptional chemical resistance; non-stick; for high-performance use.

Chemical Resistance Summary

Use this colour-coded guide to select the appropriate plasticware for your reagents:

🟩 Green: Long-term resistance (30+ days)
🟦 Blue: Stable under 30-day exposure
🟧 Orange: Degrades after 7 days (cracks, discolouration)
🟥 Red: Avoid entirely—immediate damage likely

📌 View the full chart below to match plastic types with specific reagent classes.

Final Thoughts: Investing in Performance, Not Just Products

Plasticware isn’t just about convenience—it’s a safety and performance decision. By understanding each plastic’s properties, you equip your team with reliable tools that:

Resist chemical corrosion
Withstand sterilisation cycles
Maintain clarity and durability

Reduce the risk of contamination

Need Help Choosing the Right Plasticware?

If you’re unsure which materials best suit your chemical or procedural requirements, contact us for expert guidance.