Bowl products intended for soup service must endure heat, moisture, and handling stress. A salad bowl manufacturer stepping into the realm of huge soup bowls must tackle specific technical and materials-science challenges. While salad bowls often prioritize lightweight feel, ease of manufacturing, clean surfaces, huge soup bowls require focus on thermal stability, leakage resistance, and long-term durability.

One key area is choice of base material. Manufacturers are exploring compostable fibers such as bagasse, sugarcane, bamboo, wheat straw, and cellulose blends. These materials, when combined with linings like PLA (polylactic acid) or treated paper coatings, deliver both environmental credentials and functional barrier properties. Huge soup bowls often get coated internally to prevent liquid penetration; some designs use a double-wall or insulated structure to slow heat loss and protect hands from burns.

Another technical concern is molding shape. For huge soup bowls, deeper cavities mean more material and greater chance of deformation during production or transport. The salad bowl manufacturer must design molds that ensure uniform thickness, avoid weak points (e.g. seams, rims), and allow bowls to nest or stack without compromising shape. Thermal expansion under hot contents must be accounted for—materials expand differently, so tolerances in rim and base must accommodate that.

Coating and lining choices also matter. Some linings resist grease and hold up under boiling temperatures; others degrade faster. If the lining peels or loses adhesion, leaks or sogginess occur, which spoils customer experience and can violate food safety standards. Therefore a manufacturer must test lining adhesion, heat cycling (filling, cooling, reheating), and microbial safety. Same for seal integrity in lids, if applicable—for huge soup bowls lids are especially valuable for takeaway.

Insulation and ergonomic design also play part. To hold heat longer, techniques include double-wall structure, corrugated walls, rippled exteriors, or using insulating bands or finishes. Handles or lip designs can help with safely carrying the bowl. Even edge designs—curvature, thickness—affect how much heat transfers to hand and whether the bowl feels stable.

Zhejiang Richpak Technology Co., Ltd. produces a broad range of paper-based tableware: paper cups, soup cups, paper bowls, kraft paper soup buckets, etc. Known by many retailers and agents, our strict quality assurance and business policy—“truth-seeking, pragmatic, efficient and dedicated”—work together with innovation to enhance your brand’s offering.