Can these be washed in the dishwasher, top rack?

From what I can observe, the should be ok in a dishwasher but I'd try to avoid the heated drying cycle. This just my opinion/experience. I use them in the field and at the end of the day just swish them in some soapy water and then rinse and let dry

How heat tolerant is the item?

They did fine outside during summer for my monarch caterpillars - But not sure what type of heat you are referring to

Are they autoclaveable?

It is supposed to be, but they warp when autoclaved

can these hold soda bottle preforms?

No, they hold 50 mL test tubes.

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3 Packs Plastic Test Tube Rack, 24 Holes Lab Test Tube Rack Holder for 25mm Test Tubes, White, Detachable (24 Holes)

3 Packs Plastic Test Tube Rack, 24 Holes Lab Test Tube Rack Holder for 25mm Test Tubes, White, Detachable (24 Holes)

Product ID: 199615698

🧩Detachable & space-saving design

🧪Holds 24 test tubes (0.98")

🧱Durable solid plastic build

AR$73962

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Sold byAmazon ArgentinaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧪 Elevate your lab game with the ultimate test tube rack trio!

BUILT TO LAST - Crafted from sturdy, lightweight plastic ensuring durability without the bulk.
COMPACT FOOTPRINT - Flat-lay storage saves precious lab space when not in use.
MODULAR PORTABLE - Three-piece detachable design for easy assembly, storage, and transport.
EFFORTLESS MAINTENANCE - Smooth surface allows quick and thorough cleaning for hygienic use.
MAXIMIZE LAB EFFICIENCY - Securely holds 24 standard 25mm test tubes for streamlined experiments.

The Pocomoco 3 Packs Plastic Test Tube Rack features 24 holes per rack, designed to hold 25mm diameter test tubes securely. Made from durable, lightweight plastic, each rack is detachable into three pieces for easy assembly, storage, and transport. Measuring approximately 9.8 x 4.1 x 2.75 inches, these racks offer a compact, easy-to-clean solution ideal for professional and educational laboratory settings.

Specifications

ASIN	B0862CWTJW
Best Sellers Rank	#8,433 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Lab Tube Racks
Color	24 Holes
Customer Reviews	4.6 4.6 out of 5 stars (640)
Date First Available	March 18, 2020
Included Components	Cover
Item Package Quantity	1
Item Weight	1.01 pounds
Item model number	Tube Rack No.24
Manufacturer	Pocomoco
Material	Plastic
Mounting Type	Pole Mount
Part Number	Tube Rack No.24
Product Dimensions	9.8 x 4.1 x 2.6 inches
Special Features	Collapsible

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