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How to Use a 9 Cavity Rectangle Silicone Soap Mold at Home

By System Administrator
July 4, 2026
How to Use a 9 Cavity Rectangle Silicone Soap Mold at Home

Azlok's 9 Cavity Rectangle Silicone Soap Mold lets you pour, set and pop out nine even rectangular bars in one go, without greasing or fussy cutting. It is made from flexible silicone that is heat-resistant up to 230°C and safe for the microwave, oven and dishwasher, so it suits both melt-and-pour beginners and experienced soap makers.

What you can make with it

The rectangle shape is the classic soap-bar look, which makes this mold a workhorse for anyone selling or gifting handmade soap. Because silicone tolerates high heat and releases cleanly, it works for more than just soap.

  • Melt-and-pour and cold-process soap — the most common use, giving uniform bars of roughly 130–150 gm each.
  • Candles — pour soy or beeswax to make small rectangular blocks or embeds.
  • Bath bombs, wax melts and lotion bars — anything that needs a neat, repeatable shape.
  • Food-grade treats — chocolate, fudge or ice, since the silicone is oven and freezer friendly.

How to use the mold

  1. Place the mold on a flat, rigid tray or baking sheet before you fill it. Silicone is floppy when full, and the tray keeps the bars level.
  2. Prepare your soap base. For melt-and-pour, cut and melt the base gently in the microwave or a double boiler, then stir in colour and fragrance once it is off the heat.
  3. Pour slowly into each cavity, filling almost to the top. A light spritz of isopropyl alcohol on the surface pops any surface bubbles.
  4. Let the bars set fully. Melt-and-pour usually firms up in a few hours at room temperature; cold-process soap needs 24–48 hours before unmoulding.
  5. To release, gently flex the sides of each cavity and push from the base. The bars slide out with a smooth finish and no torn edges.

For cold-process soap, cure the finished bars on a rack for four to six weeks so they harden and last longer.

Tips and safety notes

  • No greasing needed. Silicone releases naturally, so skip the oil or spray that rigid moulds require.
  • Mind the fill line. Overfilling causes uneven bars and spillage when you lift the tray.
  • Handle lye carefully. If you make cold-process soap, wear gloves and eye protection when working with sodium hydroxide, and mix in a well-ventilated space away from children and pets.
  • Cool before demoulding. Warm soap or wax is soft and can distort; let it set fully for crisp edges.
  • Keep separate moulds if you switch between soap and food use, to avoid transferring fragrance or colour.

Cleaning the mold

Wash with warm water and mild dish soap, then let it air-dry completely. It is dishwasher-safe, but hand-washing extends its life. Avoid sharp knives or scourers, which can nick the silicone. Stubborn fragrance residue usually lifts after a soak in warm soapy water.

Buying and storage

This Azlok mold is priced at ₹299 and comes in packs of 1, 2, 5 and 10, so hobbyists can start small while small businesses batch several trays at once. Each mold measures about 31 x 21 cm and weighs around 200 gm. Store it flat or hanging, away from direct sunlight and heavy objects that could crease the silicone. Kept clean and dry, a good silicone mould lasts for many batches. You will find it alongside soap bases, fragrance oils and colourants in the Azlok range, which makes it easy to source everything for a project together.

FAQ

How many soaps does this mold make?

It has nine rectangular cavities, so you get nine bars per batch, each roughly 130–150 gm depending on how full you pour.

Do I need to grease the silicone mold before pouring?

No. Silicone releases on its own. Just make sure the soap or wax is fully set before you flex the mold and push the bars out.

Is the mold safe for the oven and microwave?

Yes. It is heat-resistant up to 230°C and is microwave, oven and dishwasher-safe, which also makes it suitable for chocolate and other food-grade uses.

Can I use it for candles as well as soap?

You can. Pour soy, beeswax or paraffin the same way you would soap, and let it cool fully before unmoulding for a clean finish.

How do I clean it properly?

Wash with warm water and mild dish soap, rinse and air-dry fully. Hand-washing is gentler than the dishwasher and helps the mold last longer.

Related Tags

soap moldsilicone moldsoap makingdiy soapcandle making
How to Use a 9 Cavity Rectangle Silicone Soap Mold at Home - Azlok Blog