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Opal Glass Bowl – Superior Heat Retention for Soup

Opal Glass Bowl – Superior Heat Retention for Soup

FeatureDescription
Stays Warm Longer Than Metal or Ceramic BowlsOpal glass conducts heat slowly, keeping soup at a pleasant temperature for 20–30 min while stainless steel bowls cool in under 10.
Warm Soup Inside, Cool Bowl OutsideLow thermal conductivity keeps the outer wall comfortable to hold — no risk of burning your hands, no trivets needed at the table.
Opaque Glass Body Reduces Heat RadiationThe milky-white opal glass blocks infrared energy that clear glass lets through, adding a natural layer of heat retention for soup.

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Size Customization

Bowl diameters from 3.5″ to 9.0″ — options include 4.0″, 4.5″, 4.9″, 5.0″, 5.5″, 6.0″, 6.25″, 6.5″, 7.7″, and 8.5″ for any serving need.

Available in White, Black, Jade Green, Topaz Yellow, and White Jade to match your brand palette or existing tableware collection.

Supports low-temperature decal, embossed relief, screen printing, and gold rim — all proven durable through commercial dishwashing.

Choose round, flat-rim, footed, deep-belly, wide-mouth, or tapered bowl profiles to match different cuisines and portion requirements.

Custom color boxes, retail-ready sleeves, branded gift sets, or bulk cartons — designed around your brand and shipping requirements.

Four Best-Selling Decal Designs

The four designs on the right are the best-selling in this series so far, and here are the top 5 countries that have been inquiring the most:

  1. Vietnam — Phở, bún bò Huế, and rice congee.
  2. Saudi Arabia — Harees, jareesh, and lamb broth.
  3. United States — Clam chowder, chicken noodle soup, and oatmeal.
  4. India — Dal, rasam, and lentil curry.
  5. Germany — Eintopf stew and kartoffelsuppe.

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FAQs

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Commernts Question People Often Curious

It gathers the five most frequently asked questions by users regarding this product. If you are also interested, you can click to have a look.

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How does an opal glass bowl keep soup hotter than a steel bowl?
Opal glass has a thermal conductivity around 1.0 W/mK — much lower than stainless steel at roughly 15 W/mK. Heat moves from the soup through the bowl wall slowly, so the contents stay at a comfortable eating temperature for about 20–30 minutes. A steel bowl transfers heat much faster, and the same soup cools noticeably within 10 minutes.
Yes. It handles thermal shock up to 120 °C, so you can move it straight from the fridge to the microwave. It is also commercial-dishwasher safe — repeated cycles will not damage the surface or any applied decal. The material is lead-free, cadmium-free, and BPA-free, meeting food-contact safety standards.
Clear glass allows infrared radiation to pass through, letting heat escape quickly. The milky opal glass body scatters and absorbs that infrared energy instead. Together with its low conductivity, this blocks both conducted and radiated heat loss — keeping soup warm longer than a standard transparent glass bowl.
No. Because opal glass transfers heat slowly, the outer wall stays warm but safe to hold, even with freshly boiled soup inside. Stainless steel bowls, by contrast, become too hot to touch almost immediately. No sleeves, handles, or trivets are needed when serving at the table.
Diameters range from 3.5″ to 9.0″. Popular soup-serving sizes are 5.0″, 5.5″, 6.0″, 6.5″, and 8.5″, with capacities from about 220 ml up to 1 250 ml. Every size offers the same heat-retention performance and supports custom decals, embossed logos, or colored opal glass finishes.
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