{"niche":"在手冲茶（茶壶手冲）类别中，哪款陶瓷茶壶的保温性能最好？","description":"Which ceramic teapot offers the best heat retention in the tea-pour-over category?","products":[{"brand":"Fiestaware","model":"Retired Fiesta 44 OZ Covered Teapot","price_gbp":20.48,"origin_country":null,"specs":{"material":"fully vitrified lead-safe china with a color glaze","spout_design":"re-engineered to reduce drips when pouring"},"confidence_score":null,"sources":[{"label":"Fiesta Factory Direct","url":"https://fiestafactorydirect.com/collections/retired-sales/products/teapot","currency":"USD","source_country":"US","price":69.99,"price_gbp":53.08,"scraped_at":"2026-06-27T07:18:35.984453"},{"label":"Fiesta Factory Direct (Fiesta Tableware store)","url":"https://fiestafactorydirect.store/product/new-retired-fiesta-44-oz-covered-teapot/","currency":"USD","source_country":"US","price":27.0,"price_gbp":20.48,"scraped_at":"2026-06-27T07:18:35.984453"},{"label":"Fiesta Factory Direct","url":"https://fiestafactorydirect.com/collections/retired-sales/products/teapot","currency":"USD","source_country":"US","price":69.99,"price_gbp":53.08,"scraped_at":"2026-06-27T07:18:38.164293"},{"label":"Fiesta Factory Direct (Fiesta Tableware store)","url":"https://fiestafactorydirect.store/product/new-retired-fiesta-44-oz-covered-teapot/","currency":"USD","source_country":"US","price":27.0,"price_gbp":20.48,"scraped_at":"2026-06-27T07:18:38.164293"}],"summary":"This teapot is a covered, 44 oz Fiesta design made from fully vitrified lead-safe china with a color glaze. The spout is re-engineered to reduce drips when pouring, and the handle and lid are redesigned for a comfortable pour and a more secure lid fit. It's dishwasher, oven, and microwave safe (not for stovetop use).","ideal_for":"Its fully vitrified ceramic body (lead-safe china) plus the covered design support heat retention better than non-covered options, and the heat-tolerant ceramic construction is designed to work in the oven and microwave."},{"brand":"Fusion Teas","model":"Glass Teapot - Double Wall (15 oz)","price_gbp":21.99,"origin_country":null,"specs":{"material":"borosilicate glass","heat_resistant":"The glass will stand temperatures from -68F to +300F"},"confidence_score":null,"sources":[{"label":"Fusion Teas","url":"https://www.fusionteas.com/glass-teapot-double-wall/","currency":"USD","source_country":"US","price":29.0,"price_gbp":21.99,"scraped_at":"2026-06-27T07:18:35.984453"},{"label":"Fusion Teas","url":"https://www.fusionteas.com/glass-teapot-double-wall/","currency":"USD","source_country":"US","price":29.0,"price_gbp":21.99,"scraped_at":"2026-06-27T07:18:38.164293"}],"summary":"This Fusion Teas double wall glass teapot is made of borosilicate glass and has a double wall design to help keep tea hotter longer. It includes an ultra-fine stainless steel mesh strainer and is dishwasher safe. The borosilicate glass is described as durable and thermal shock resistant.","ideal_for":"其双层玻璃设计被明确指出可帮助你的茶更久保持热度；并使用硼硅玻璃以确保耐用性与耐热冲击性能，从而相较于单层玻璃，更有利于提升手冲/倒茶方式的保温效果。"}]}