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Glass lids used in non-stick coating pressed cookware set with vented glass lids, especially those with vented features, should meet several performance requirements to ensure safety, durability, and effective functionality. Here are some key performance requirements:
Heat Resistance:
Glass lids should be able to withstand high temperatures commonly used in cooking without cracking, shattering, or warping. This is particularly important for cookware with non-stick coatings, as the lids are often used during various cooking methods, including oven use.
Durability:
The glass used for the lids should be durable and resistant to scratches, chips, and impacts. Cooking environments can be harsh, and the lids should maintain their integrity over time.
Vented Design:
If the lids have vents, these vents should be designed to release steam gradually to prevent pressure buildup while cooking. This feature helps to avoid lid rattling and promotes efficient cooking. The venting mechanism should be durable and easy to open or close.
Tight Seal:
The lids should provide a tight seal to trap heat and moisture during cooking. A well-fitting lid enhances the efficiency of the cookware and contributes to better cooking results.
Cool-Touch Handles:
If the lids have handles, these handles should remain cool to the touch during stovetop cooking. This ensures safe handling without the risk of burns.
Compatibility with Cookware:
The glass lids should be designed to fit securely on the corresponding cookware in the set. The fit should be snug to prevent steam and heat from escaping and to maintain optimal cooking conditions.
Dishwasher Safety:
Glass lids should be dishwasher-safe for easy and convenient cleaning. However, it's essential to check the manufacturer's instructions for specific care recommendations.
Clear Visibility:
The glass should provide a clear view of the cooking process without distortion. This allows users to monitor their food without lifting the lid, which helps in retaining heat and moisture.
Stain Resistance:
The glass should be resistant to staining, especially when exposed to ingredients like tomato-based sauces or other strongly colored foods. Stain-resistant glass maintains its transparency and appearance over time.
Quality Materials:
Quality materials should be used for both the glass and any handles or knobs attached to the lids. Stainless steel or other heat-resistant materials are often used for handles.
