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 Glass Measuring Low Form Beaker Set (50ml+100ml+250ml)

Product ID: 32528418

Details

Brand
Ronyes
Capacity
250
Color
Clear
Item Weight
0.55 Pounds
Material
Glass

📏Precise graduated markings

🔥High thermal resistance

🧪Borosilicate 3.3 chemical durability

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$U1173

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Description

🧪 Elevate your experiments with precision and durability that professionals trust!

VERSATILE TRIO - Set includes 50ml, 100ml, and 250ml beakers to cover all your lab needs
UNIFORM STRENGTH - Consistent wall thickness for reliable durability and safety
THERMAL TOUGHNESS - Minimal thermal expansion ensures stability under rapid temperature changes
CHEMICAL RESILIENCE - Borosilicate 3.3 glass offers superior resistance to harsh chemicals
PRECISION MEASUREMENT - Clear, graduated markings for accurate volume readings every time

This Graduated Glass Measuring Low Form Beaker Set by Ronyes Lifescience features three sizes (50ml, 100ml, 250ml) made from premium borosilicate 3.3 glass. Designed for high thermal and chemical resistance with minimal expansion and precise graduated markings, it ensures reliable, accurate measurements and long-lasting durability for professional laboratory use.

Specifications

ASIN	B01J57WFF6
Best Sellers Rank	#8,552 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Lab Beakers
Brand Name	Ronyes Lifescience
Capacity	250 Milliliters
Color	Clear
Customer Reviews	4.6 4.6 out of 5 stars (5,246)
Included Components	50ml+100ml+250ml
Item Weight	0.55 Pounds
Manufacturer	Ronyes Lifescience
Manufacturer Part Number	Becherglas-3
Material Type	Glass
Model Number	69091100
Size	50ml+100ml+250ml
UPC	606462651271 606860013381
Unit Count	1.0 Count

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