News1 min ago
The Saucepan Lid Mystery.....
48 Answers
Last week a friend cooked a Burns Night supper for a group of us.....
We sat down to eat at 7.45.....enjoyed a fantastic meal...some chaps are really good cooks....
...then retired to the sitting room for port and cigars.... ;-)....
At about 10.45 there was a little explosion from the kitchen.....the girls went to investigate....the chaps took a long time to get up from the sofa....wimps.....
We discovered a shattered saucepan lid.....still sort of in place but the worktop and floor covered in tiny pieces of glass.....could have ruined the neeps and tatties....
Now, does any clever bod know why, after sitting on a plate at room temperature and nowhere near a heat source for about three hours, the lid would have shattered then?
The saucepans are new, Stellar pans.......never been dropped or otherwise abused.....
I could understand if there was a sudden, extreme change of temperature.... but this has us puzzled.....
Gx
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We sat down to eat at 7.45.....enjoyed a fantastic meal...some chaps are really good cooks....
...then retired to the sitting room for port and cigars.... ;-)....
At about 10.45 there was a little explosion from the kitchen.....the girls went to investigate....the chaps took a long time to get up from the sofa....wimps.....
We discovered a shattered saucepan lid.....still sort of in place but the worktop and floor covered in tiny pieces of glass.....could have ruined the neeps and tatties....
Now, does any clever bod know why, after sitting on a plate at room temperature and nowhere near a heat source for about three hours, the lid would have shattered then?
The saucepans are new, Stellar pans.......never been dropped or otherwise abused.....
I could understand if there was a sudden, extreme change of temperature.... but this has us puzzled.....
Gx
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For more on marking an answer as the "Best Answer", please visit our FAQ.You do have grounds for a moan as they are all said to be 'shatterproof'.
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Stellar Cookware - 12 ranges of cookware designed and manufactured by Stellar all suitable for use on all hob types including induction and covered by a Stellar Lifetime Guarantee. With an extensive range of designs there is something suitable for all tastes. Stellar cookware ranges include:
Stellar 1000 Cookware - Classic domus shape combined with peerless quality. 18/10 stainless steel cookware, handles and lids with a wide variety of special offer sets.
Stellar 2000 Satin Black Cookware - High efficient heat transfer that is induction ready. Heavy gauge coated aluminium cookware, with cast stainless steel anti-slip handles and shatter proof vented glass lids.
Stellar 3000 Induction Black Cookware - Induction ready, designer styled. High grade enamel coated aluminium cookware with cast stainless steel anti-slip handles, shatter proof vented glass lids and a raised double layered non-stick coating for healthier cooking.
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Saucepan lids are made with tempered (or toughened as we tend to call it) glass. During tempering, stresses are induced (which ensure) that the glass is hard under impact and heat, but if stressed to it's limit it breaks safely into granules. Tempering is carried out by first heating the glass, almost to melting point, and then rapidly cooling under controlled conditions. Unfortunately the glass is forever thereafter under duress. Now a sharp bang particularly on an edge will cause the inherent stresses to shatter the glass. Not always immediately. Rapid cooling will have the same effect.
Some years ago I had a glass "work saver" board in my kitchen. I suddenly heard a sort of explosion & went to investigate. It had shattered into 1000's of pieces. Like you, it was nowhere near a source of heat & had hardly been used. Pretty frightening at the time & days later still found teeny pieces of glass. Mysterious.
Eddie.....that would have been an explanation....but we know the lid went from the pan to the dinner plate and stayed there for three hours.....it really didn't go onto anything hot or very cold....just the plate....x
Thanks, Shoota....probably leprechauns....but they are supposed to be shatter proof....lids not leprechauns...those little devils are indestructible.....♣
We did question whether the lid had been knocked, Togo....they're new and hardly used.....but maybe a fault in manufacture or a slight imperfection?........but it was the delay of three hours in a kitchen with a stable temperature and no rapid change which puzzled us.....x
Thanks, Shoota....probably leprechauns....but they are supposed to be shatter proof....lids not leprechauns...those little devils are indestructible.....♣
We did question whether the lid had been knocked, Togo....they're new and hardly used.....but maybe a fault in manufacture or a slight imperfection?........but it was the delay of three hours in a kitchen with a stable temperature and no rapid change which puzzled us.....x
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