Are these heat resistant if I wanted to reuse them and needed to re-sterilize them in a pressure cooker?

Hello-No, polystyrene petri dishes are not heat resistant. They will melt inside a pressure cooker. Please let us know if we can be of additional service.

How much volume will each dish hold

Depends how full you fill them, I usually make 500ml agar per 20 dishes, I'm sometime a little short. It will vary, I'm working in front of a flow hood and in a suit, the jar I pour from is hot. So if I do the math that's about 25ml each, all less than half full, of course you dont fill them if you're working with agar and culture. Think I read "30ml," somewhere way back when, might be a safe place to start.

Would these be safe to use for jello? I'm doing a mad scientist party for my daughter.

they are sterile so probably safer than the jello you put in them! They are hard plastic though, so could be sharp if stomped on.

Is the gel already in there?

Hello-No, These petri dishes do not contain any gel.

Heavy Duty Petri Dishes 20 Pack Sterilized 100 Millimeter Diameter

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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฿3361

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Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔍 Unleash Your Inner Scientist!

BULK SAVINGS - 20-pack ensures you never run out during critical experiments.
READY TO USE - No assembly required—just open and start experimenting!
DURABLE RELIABLE - Made from high-quality plastic for long-lasting use.
PRECISION ENGINEERING - Designed with a 100mm diameter for optimal sample size.
ELEVATE YOUR EXPERIMENTS - Perfect for STEM projects and lab work.

This 20-pack of Heavy Duty Petri Dishes features sterilized, high-quality plastic construction with a 100mm diameter, perfect for a variety of scientific applications. Ideal for educational purposes and professional labs alike, these dishes are ready to use right out of the box, ensuring you can focus on your experiments without delay.

Specifications

Product Dimensions	39.62 x 13.21 x 12.19 cm; 349.27 g
Manufacturer reference	unknown
Educational Objective(s)	Stem
Language:	English
Number of Puzzle Pieces	20
Assembly Required	No
Batteries Required?	No
Batteries Included?	No
Material Type(s)	Plastic
Color	grey
ASIN	B008SWSM0W

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