PR1MA™ Standard Petri Dishes

Sterile, Stackable, and High-Performance.

PR1MA™ Standard Petri Dishes are designed for precision, durability, and convenience in microbiology, cell culture, and general lab applications. Manufactured using high-capacity automated production lines, these petri dishes deliver consistent quality at a competitive price—ideal for academic, industrial, and research laboratories.

Each dish features a 15 mm height and is available in both 60 and 100 mm diameters, with various design options tailored to your lab's needs—including multi-compartment formats, slideable bases, and automation-compatible slippable versions.

These dishes are sold sterile (gamma irradiated) and packaged 25 per bag / 20 bags case, making them ideal for high-throughput laboratories.

Key Features

• Durable Construction: Stronger, heavier design ensures better handling and stability.
• Hydrophobic Surface: Prevents unwanted cell attachment—perfect for suspension cultures.
• Sterile and Ready to Use: Gamma irradiated for dependable sterility.
• Efficient Gas Exchange: Molded lid spacers promote proper ventilation.
• Even Media Distribution: Consistently flat base supports uniform media spreading.
• Slideable and Slippable Options: Available variants support automation with ISO mark targets, side arrows, and edge rings for smooth operation.
• Specialty Compartments: Choose from 2, 3, or 4-compartment formats for multi-sample testing in a single dish.
• Various options: Standard, slideable, slippable, or with compartments (2, 3, or 4) 

Whether you're working with automated streaking systems or manual plating, PR1MA™ Petri Dishes are designed to support efficient lab workflows with minimal contamination risk.
 

New Look, Same Reliable Product - Now from PR1MA™!
 

PR1MA™ Weigh Boats - Diamond

Disposable, Durable, and Versatile for Lab Weighing and Sample Handling.

PR1MA™ Weigh Boats are high-quality, disposable containers designed for accurate sample weighing, transferring, and mixing in laboratory settings. Made from durable polystyrene, these boats can withstand temperatures up to 90°C and are chemically resistant to diluted acids, bases, alcohols, and aqueous solutions, making them suitable for a wide range of lab applications.

Their flexible, smooth interior with rounded corners ensures easy decanting of powders and liquids, while the flat bottom provides excellent stability on balances and benchtops. Choose from traditional square or innovative diamond shapes—the latter offering improved control and precision when pouring.

Perfect for weighing, sample storage, dispensing, mixing, or even quick freezing, PR1MA™ Weigh Boats are available in black or white to enhance sample visibility and contrast. Each set comes in ultra-compact dispenser packs for convenient access and space-saving storage.

Key Features

• Made from polystyrene; heat resistant up to 90°C
• Chemically resistant to diluted acids, bases, alcohols, and aqueous solutions
• Smooth interior and rounded corners for easy sample transfer
• Flat bottom for stability on lab balances
• Available in square or diamond shape for versatility
• Ideal for weighing, mixing, dispensing, and freezing
• Black or white options for better sample visibility
• Space-saving dispenser packaging

New Look, Same Reliable Product - Now from PR1MA™!
 

PR1MA™ Weigh Boats - Square
 

Disposable, Durable, and Versatile for Lab Weighing and Sample Handling.

PR1MA™ Weigh Boats are high-quality, disposable containers designed for accurate sample weighing, transferring, and mixing in laboratory settings. Made from durable polystyrene, these boats can withstand temperatures up to 90°C and are chemically resistant to diluted acids, bases, alcohols, and aqueous solutions, making them suitable for a wide range of lab applications.

Their flexible, smooth interior with rounded corners ensures easy decanting of powders and liquids, while the flat bottom provides excellent stability on balances and benchtops. Choose from traditional square or innovative diamond shapes—the latter offering improved control and precision when pouring.

Perfect for weighing, sample storage, dispensing, mixing, or even quick freezing, PR1MA™ Weigh Boats are available in black or white to enhance sample visibility and contrast. Each set comes in ultra-compact dispenser packs for convenient access and space-saving storage.

Key Features

• Made from polystyrene; heat resistant up to 90°C
• Chemically resistant to diluted acids, bases, alcohols, and aqueous solutions
• Smooth interior and rounded corners for easy sample transfer
• Flat bottom for stability on lab balances
• Available in square or diamond shape for versatility
• Ideal for weighing, mixing, dispensing, and freezing
• Black or white options for better sample visibility
• Space-saving dispenser packaging

Petri (Non-treated Cell Culture Dishes)

• Cell Culture Dishes are available in Tissue Culture Treated and Non-treated Cell Culture versions
• Petri (Non-treated Cell Culture Dishes) have thicker and more durable plastic than standard Petri Dishes  both can be used for the same applications
• 60, 70 and 100mm dishes available with a pronounced grip ring for improved handling
• Vented lids contain molded spacers to allow gas exchange

TPP Tissue Culture Dishes

TPP Tissue Culture Dishes are engineered to provide scientists with consistent, reliable, and reproducible cell culture results. Designed for precision, safety, and ease of use, these dishes feature optimized surface treatments that enhance cell attachment and proliferation. Air vents in the dish base ensure consistent airflow between stacked dishes, reducing condensation and maintaining stable growth conditions.

The serrated grip ring prevents accidental drops or lid lift-offs, while double marking areas—yellow and frosted—simplify orientation and labeling. A secure stacking design, combined with numeric “clock” markings for quick microscopy orientation, makes these dishes ideal for everyday lab use. With outstanding surface flatness for uniform cell growth, TPP Tissue Culture Dishes deliver the clarity, reliability, and sterility your cell culture work demands.

Key Features

• Air vents ensure consistent airflow, temperature distribution, and condensation prevention
• Optimized surface treatment enhances cell attachment and proliferation
• Serrated grip ring prevents drops and accidental lid lift-offs
• Double marking areas (yellow and frosted) for easy labeling and orientation
• Secure stacking with lid ring and base ridge design
• Numeric “clock” markings (12, 3, 6, 9) aid microscopy alignment
• Crystal-clear optical clarity for high-quality imaging
• Outstanding surface flatness promotes uniform cell growth without clumping
• Lid inscription fields ensure proper positioning and secure handling

Quality Assurance

• Manufactured from optically clear polystyrene for excellent viewing
• Sterile, packaged in protective peel-off sleeves
• Certified DNAse/RNAse-free, nucleic acid-free, and pyrogen-free

Specifications    

Achieve consistent, reproducible results with TPP Tissue Culture Dishes – Contact us to request your sample today.

Glass Bottom Plates

• Convenient live cell viewing without needing to transfer
• Optically clear borosilicate glass for exceptional viewing
• Applications include: cell culture and imaging, live cell observation and specialty microscopy such as confocal high resolution and contrast
• Constructed with noncytotoxic medical adhesive
• Round cover glass also available for use with glass bottom plates

Glass Bottom Dish

• Recessed, consistent borosilicate glass bottom is optically clear, and provides micro well ideal for cell culture and microscopy or imaging
• Non-cytotoxic medical adhesive does not inhibit cell growth
• 30mm Dish lid has molded spacers to allow gas exchange and a stacking ring for increased stability

Cover Glass

• High-quality, optically clear borosilicate glass cover slips are ideal for specialty microscopy and imaging
• Ideal for use with dishes and multiple well plates and anywhere a square cover glass is unsuitable
• Consistent flatness and scratch-free
• Resistant to organic solvents
• Packaged in a hinged plastic storage case
• 15mm Round Cover Glass can be used with a 24 well glass bottom plate (Part No. 229125)
• 20mm Round Cover Glass can be used with a 12 well plate or 30mm glass bottom dish (Part No. 229632)
• 25mm Round Cover Glass can be used with a 6 well glass bottom plate (Part No. 229107)
• Cover Glass is #1.5 thickness

MIDSCI has the weigh boats and weigh paper for your needs.  With varying sizes, colors, and shapes, we ensure we have the weigh boat or paper for you.  Order today!

 
Antistatic Weighing Boats

Our flexible polystyrene weighing boats feature smooth surfaces to provide accurate pour-outs with minimal sample loss.

Choose from standard, diamond, and hexagonal shapes varying in size to fit all your needs.

• Manufactured and packaged in a clean room
• Select white, or black for the best color contrast to ensure the sample is completely removed
• Biologically inert and resistant to dilute and weak acids, aqueous solutions, alcohols, and bases temperature range -10 to 70°C (14 to 158°F)
• Can be used with microwave moisture analyzers
• Boats are shallow with a wide, flat bottom to resist tipping.
• Rounded corners simplify transfer
• Antistatic versions available
• 2 colors, various shapes, and sizes
• Pack of 500
• All are FDA/food-grade compliant
• Disposable

 
Specifications

WeighBucket™ The WeighBoat for Liquids

The WeighBucket™ is an innovative, compact weighing vessel designed for safe, precise handling of liquids, powders, and small solids. Made from durable polyethylene, this 40 mL vessel features an easy-grip handle and a convenient pour spout, allowing for clean, controlled pouring with minimal spillage. Ideal for laboratory and industrial applications, the WeighBucket™ makes weighing and transferring materials easier and more efficient than traditional weigh boats.

With a space-saving footprint of 53 mm diameter x 33 mm height (excluding rim, spout, and handle), it’s perfectly sized for accurate measurements while maximizing usability. Whether you're measuring reagents, solutions, or granular materials, the WeighBucket™ delivers precision, cleanliness, and convenience.

Key Features

• 40 mL capacity for small-volume samples
• Polyethylene construction for durability and chemical resistance
• Built-in spout for accurate, controlled pouring
• Ergonomic handle for secure grip and easy transport
• Designed for laboratory, educational, and industrial use

Heathrow Scientific® Aluminum Weigh Boats

Disposable, heat and chemical-resistant.

Heathrow Scientific® Aluminum Weigh Boats are designed for efficient and precise sample handling across a wide range of laboratory applications. Ideal for weighing, dispensing, evaporating, drying, mixing, and storing samples, these boats offer outstanding resistance to heat and corrosion, making them suitable for use with acids, bases, and other reactive chemicals.

Crafted from lightweight yet durable aluminum, each weigh boat features a smooth, flat bottom for enhanced balance, stability, and measurement accuracy. The rigid construction ensures easy sample transfer while minimizing material loss. A finger tab handle provides safe handling and can be easily etched for sample identification.

Available in a range of sizes, these disposable weigh boats reduce the risk of cross-contamination and support clean, efficient workflows in analytical, industrial, and research laboratories.

Key Features

• Smooth, flat bottom for accurate weighing and stability
• Lightweight and rigid for easy handling and precise sample transfer
• Heat-resistant, ideal for high-temperature applications
• Chemical resistant, compatible with acids, bases, and solvents
• Etchable finger tab for secure labeling and sample tracking
• Versatile use: weighing, dispensing, evaporating, drying, and mixing
• Disposable design prevents cross-contamination
• Available in sizes from 20 mL to 50 mL
• Sold in packs of 100 

Specifications
 

Item #	Volume Capacity	Finger Tab	Wall Finish	Dimensions (D x H)
HS14521A	20 mL	Yes	Crinkle	1.7 x 0.5 In. | 43.18 x 12.7 mm
HS14521B	34 mL	Yes	Crinkle	2.2 x 0.6 In. | 55.88 x 15.24 mm
HS14521C	50 mL	Yes	Crinkle	2.8 x 0.6 In. | 71.12 x 15.24 mm

 

Weigh-Better Environmentally Friendly Weigh Boats

Glassine paper is free of static electricity that plagues disposable plastic weighing dishes. Pure glassine is an ultra-clean paper product that is robust and yet easy to fold for pouring. Chocolate color reveals every particle of material. Robust and durable yet easy to fold for pouring. Measures 3.5 In. diameter for standard weighing balances.

Proudly made in the USA! Click here for more made in America products!
 

MIDSCI has the weigh boats and weigh paper for your needs.  With varying sizes, colors, and shapes, we ensure we have the weigh boat or paper for you.  Order today!