![\"Kraft](\"https:\/\/www.bioleaderpack.com\/wp-content\/uploads\/2026\/01\/Kraft-Paper-Soup-Bowls-and-Paper-Salad-Bowls.jpg\")
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With the growing demand for eco-friendly packaging solutions in the foodservice industry, the need for reliable, sustainable alternatives to plastic has never been more critical. Bioleader\u00ae provides biodegradable kraft and paper packaging that not only helps reduce plastic waste but also ensures high performance in real-world foodservice environments.<\/p>\n
In this blog, we present the results of rigorous testing conducted on several Bioleader\u00ae kraft paper soup bowls<\/a> and paper bowls. These tests simulate actual conditions where food packaging is exposed to high temperatures, water, and oil\u2014common challenges faced in the foodservice industry. The testing environment combined boiling water with oil and soy sauce to simulate the high-temperature, oil-water mixture typical in food applications. A detailed video demonstration of the test results is also included.<\/p>\n High-temperature resistance is crucial in food packaging, especially for applications involving hot liquids, soups, or fried foods. Many traditional plastics warp, leak, or release harmful chemicals under high heat, making them unsafe for food packaging. On the other hand, biodegradable materials like kraft and paper provide a safer, eco-friendly solution while maintaining their structural integrity under high temperatures.<\/p>\n High-temperature resistance is particularly important in the following applications:<\/p>\n Microwave Heating<\/strong>: Food containers must be able to withstand high temperatures without losing shape or releasing harmful chemicals.<\/p>\n<\/li>\n Hot Soups & Stews<\/strong>: Containers must maintain their form when exposed to hot liquids, preventing leaks or deformation.<\/p>\n<\/li>\n Greasy Foods<\/strong>: Food packaging must resist oil penetration to prevent leakage and ensure the food stays safely contained.<\/p>\n<\/li>\n<\/ul>\n Bioleader\u00ae conducted a series of tests to evaluate the performance of various kraft and paper bowls under real-world conditions. The test products included:<\/p>\n Kraft Soup Bowl 12oz<\/strong> (water-based coating<\/a> kraft paper)<\/p>\n<\/li>\n Kraft Soup Bowl 16oz<\/a><\/strong> (PE-coated kraft paper)<\/p>\n<\/li>\n Kraft Soup Bowl 12oz<\/strong> (PLA-coated kraft paper)<\/p>\n<\/li>\n Kraft Salad Bowl<\/a> 1000ml<\/strong> (PE-coated kraft paper)<\/p>\n<\/li>\n White Paper Salad Bowl 1000ml<\/strong> (PE-coated white cardboard paper)<\/p>\n<\/li>\n Rectangle Kraft Bowl<\/a> 500ml<\/strong> (PE-coated kraft paper)<\/p>\n<\/li>\n
\nThe Importance of High-Temperature Resistance in Food Packaging<\/h2>\n
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\nTesting Methodology<\/h2>\n
![\"Bioleader\u00ae](\"https:\/\/www.bioleaderpack.com\/wp-content\/uploads\/2026\/01\/bioleader-bagasse-tableware-testing-high-temperature-waterproof-oil-resistant.jpg\")
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![\"Test](\"https:\/\/www.bioleaderpack.com\/wp-content\/uploads\/2026\/01\/Test-Start-Bioleader\u00ae-Kraft-Paper-Bowls-Test-Begins.png\")
![\"Test](\"https:\/\/www.bioleaderpack.com\/wp-content\/uploads\/2026\/01\/Test-End-Bioleader\u00ae-Kraft-Paper-Bowls-Test-End.png\")