If you are asking about the glass measuring beaker Yes they are food safe glass

How much heat can these beakers handle, please (I noticed it says heat resistant)?

I'd be afraid to put heat to them. They are not tempered...might shatter.

what is the highest temperature these can withstand?

Borosilicate glass will begin softening above 800C (~1500F). Any temperature below this should be a good operating temperature but it should be understood that at these higher temperatures that very rapid cooling or heating either one could result in the glass breaking mainly due to temperature difference within the glass. Borosilicate 3.3 is more resistant to these stresses than other types of Pyrex glass. Dennis Brunsell TN Lab Supply

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Graduated Measuring Glass Beaker Set Low Form Beakers 50ml 100ml 250ml

Product ID: 255496352

Details

Brand
Ronyes
Capacity
250 ml
Colour
Transparent
Item weight
249 g
Material
Borosilicate

📏3 sizes: 50ml, 100ml, 250ml

🔥Heat-resistant borosilicate glass

♻️Heavy-duty reusable & eco-friendly

€ 30.01

Duties & taxes included

In stock

Sold byAmazon PortugalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Measure Like a Pro, Mix Like a Boss! 🔥

BUILT TO LAST - Crafted from premium borosilicate glass, these beakers resist thermal shock and won’t shatter easily—perfect for both beginners and pros.
VERSATILE TRIO - Three essential sizes (50ml, 100ml, 250ml) cover all your dosing and mixing needs without clutter.
ECO CHIC LABWARE - Ditch plastic and upgrade to sustainable, stylish glassware that looks as good as it performs.
EFFORTLESS CLEANING - Smooth glass surface cleans easily—even stubborn residues like wax dissolve with simple kitchen hacks.
PRECISION IN EVERY POUR - Graduated markings on each beaker ensure accurate measurements for flawless results every time.

This Ronyes Lifescience Graduated Measuring Glass Beaker Set includes three durable borosilicate glass beakers (50ml, 100ml, 250ml) designed for precise measurement and heat resistance. Ideal for lab, kitchen, or DIY projects, these reusable beakers combine professional-grade quality with easy cleaning and eco-friendly materials, making them a must-have for anyone serious about accuracy and style.

Specifications

ASIN	B01J57WFF6
Best Sellers Rank	#179,339 in Kitchen ( See Top 100 in Kitchen ) #808 in Measuring Cups
Brand Name	Ronyes Lifescience
Capacity	250 ml
Color	Transparent
Customer Reviews	4.7 4.7 out of 5 stars (3,386)
Included Components	50ml+100ml+250ml
Item Weight	249 g
Manufacturer	Ronyes Lifescience
Manufacturer Part Number	Becherglas-3
Material Type	PE_(Polyethylene), Borosilicate Glass
Model Number	69091100
Number of Items	3
Size	50ml+100ml+250ml
UPC	606462651271 606860013381
Unit Count	1 Count

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