When selecting a glass plate or dish for laboratory work, durability, chemical resistance, and clarity are key. This guide highlights five top picks that suit different lab tasks—from microscopy observations to sample preparation and plate polishing—so you can choose confidently. The top products are best for researchers needing chemical resistance, optical clarity, and flat, stable surfaces. The buyer’s table below summarizes core specs to compare at a glance.
| Product | Material | Size | Best For |
|---|---|---|---|
| PATIKIL 60mm Glass Petri Dish | High Borosilicate Glass | 60mm OD | General culture and microscopy prep |
| Yiqihighgo 100×100 mm Quartz Plate | Quartz Glass | 100×100 mm, 1 mm thick | UV-Vis/IR experiments, high-temp applications |
| United Scientific GLP2X2-S Glass Streak Plate | Glass | 2″ x 2″ x 1/4″ | Streak plating and sample layout |
| United Scientific GLP1X2-P Glass Streak Plate | Glass | 2″ x 1″ x 1/4″ | Compact streak plates |
| QWORK 90mm Petri Dish With Lid | 3.3 Borosilicate Glass | 90mm diameter | Sample containment and observation |
PATIKIL 60mm Glass Petri Dish With Lid
Material: High borosilicate glass. Dishes and lids are clear for optical inspection. Size details: 60mm OD dish with 66mm OD lid and 60mm height around 19.5mm. This set emphasizes durability, chemical resistance, and excellent transparency for microscope work. Best for lab technicians needing a robust, reusable dish for cultures or sample containment.
Who it’s for: researchers requiring a sturdy, heat- and chemical-resistant dish with clear visibility. Why selected: borosilicate glass provides reliable performance under common lab conditions, with smooth edges for safe handling and easy cleaning. Caution: ensure proper lid seal to minimize evaporation in long experiments.
Yiqihighgo 100 x 100 mm Optical Glass Squares
Material: Quartz glass; UV-Vis grade options available; thickness 1 mm. Size: 100 x 100 mm. Packaging emphasizes safe shipping with plastic boxes. Temperature tolerance up to 1100°C and strong resistance to acids, bases, and organic solvents. Best for high-temperature or chemically demanding tests and spectroscopy work.
Who it’s for: labs performing UV-Vis or high-temperature experiments where optical clarity and chemical inertness matter. Why selected: quartz glass offers exceptional thermal stability and chemical compatibility. Caution: quartz plates can be brittle if mishandled; use appropriate handling tools.
United Scientific GLP2X2-S Glass Streak Plate
Product type: Glass streak plate, 2″ x 2″ x 1/4″, packed as a lab supply. Basic dimensions are provided to ensure it fits typical media trays and observation areas. Best for: plate-based sample layout and streaking for microbial or chemical workflows. Why selected: standardized size and material suitable for routine streaking tasks. Caution: check edge finish to avoid accidental cuts during handling.
United Scientific GLP1X2-P Glass Streak Plate
Product type: Glass streak plate, 2″ x 1″ x 1/4″ thick. Compact option ideal for small-scale layouts and quick experiments. Best for: labs needing space-saving plates for controlled samples or micro-blotting. Why selected: consistent glass quality and packable size. Caution: ensure the plate is completely flat to avoid skewed observations.
SCOTTCHEN Float Plate Glass Lapping Plate
Material: Float glass designed as a flat, hard surface for sharpening tools in the Scary Sharp System. Size is 5-1/8″ W x 11-7/8″ L with 8mm thickness, and it includes an anti-slip mat. Best for: sharpening workflows that require a stable, friction-reducing base. Why selected: anti-slip feature improves safety and precision during sharpening. Caution: not intended as a laboratory sample plate; use is specific to sharpening tasks.
QWORK Glass Petri Dish With Lid, 5 Pack
Material: 3.3 borosilicate glass. Size: 90mm diameter, 20mm height, 2mm thickness. Temperature tolerance up to 180°C, not suitable for heated use. Best for: disposable-style containment in teaching labs or quick sample cultures. Why selected: convenient 5-pack for bulk experiments and training sessions. Caution: high-temperature use is limited; avoid direct heating beyond specification.
PATIKIL 35mm Glass Petri Dish With Lid
Material: High borosilicate glass. Size: 35mm OD dish with 42mm OD lid; height 17mm. Clear glass with robust construction for reliable specimen containment. Best for: micro-sample observations in compact spaces or teaching demos. Why selected: same durability benefits as larger PATIKIL dishes, scaled for small-scale tasks. Caution: ensure lid fits securely to prevent sample loss in vigorous workflows.
Yiqihighgo 2-Piece Quartz Glass Squares
Material: Quartz glass, UV-Vis grade, highly resistant to acids, bases, and organic solvents. Size: 100 x 100 mm, 1 mm thick. Packaging emphasizes careful shipping with plastic boxes. Best for: spectroscopic experiments and material testing at varied wavelengths and temperatures. Why selected: quartz provides excellent optical properties and chemical resilience. Caution: handle with care to prevent edge chipping.
Buying Guide
Key purchase considerations for glass plates and Petri dishes in laboratories include material type, dimensions, compatibility with chemicals, and intended use. Here are practical questions to help decide:
- What level of chemical resistance do I need? Borosilicate glass handles common solvents well, while quartz glass offers superior inertness for aggressive chemicals.
- What temperature range will I encounter? High-temperature tasks favor borosilicate and quartz for stability and minimal thermal expansion.
- Do I need optical clarity for microscopy or spectroscopy? Optically clear glass and quartz improve observation accuracy and spectral measurements.
- How important is size and portability? Compact streak plates or petri dishes save bench space in teaching labs or fieldwork.
- Should I consider packaging and handling safety? Fragile items like quartz or large plates require careful packaging; anti-slip features can enhance safety during use.
Quick Compare: Material And Use
- Borosilicate glass: Excellent general-purpose option; durable and chemically resistant.
- Quartz glass: Best for high-temperature and UV-Vis applications; superior chemical inertness.
- Streak plates: Ideal for sample layout and microbial work on a flat, stable surface.
- Petri dishes with lids: Containment and observation-ready for sample culture and microscopy.
- Float/lapping plates: Special-purpose use for sharpening, not typical for chemical labs.
Usage Tips
- Handle all glassware with care; use appropriate tools to avoid chips and cracks.
- Regularly inspect edges and lids for fit and integrity; replace damaged items to prevent contamination.
- Clean according to material specifications to preserve clarity and longevity.
FAQ
- What is the difference between borosilicate and quartz glass? Borosilicate is durable and widely chemical resistant; quartz offers superior thermal stability and higher chemical resistance for certain applications.
- Are Petri dishes reusable? Reusability depends on cleaning compatibility and lab protocols; many borosilicate dishes are reusable after proper cleaning.
- Can these plates withstand autoclaving? Borosilicate glass is typically autoclave-safe; verify each product’s instructions before autoclaving.
- What size Petri dish should I choose? Select based on sample volume and available lab space; larger dishes provide more working area.
- Are there plates suitable for high-temperature spectroscopy? Yes, quartz-based options support high-temperature and UV-Vis analysis.
- Do these products come with lids? Several listings include lids for containment; check individual product pages for exact configurations.