How come I can't use a heat tool for popping bubbles?

I think they are just afraid it will melt the mold. I still use a heat gun and haven't had any issues.

Is a release agent needed prior to use?

I didn`t need anything to take them out of the molds. I'm guessing using a release agent will make them easier to release.

Can anyone tell me if there is any deformation after receiving the molds?

No, they are well packed in the box without any deformation and the surface of the mold is smooth.

How do you remove air bubbles in the resin if you can’t use a heat gun or torch?

Use 91% alcohol. It pops bubbles. Also you’ll have less bubble if you set your resin In warm water for about 10/15mins before mixing it. I either sit my bottles in a sink of warm water or I set my poured cups in a bowl of war water. DO NOT HET WATER IN YOUR RESIN. Hope this helps.

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LET'S RESIN 18 Pcs Coaster Resin Molds Silicone, Coaster Molds

Product ID: 493613820

Details

Brand
LET'S RESIN
Color
18pcs
Item dimensions L x W x H
3.15 x 3.15 x
Material
Silicone
Shape
Square

📏0.3 inch coaster thickness

🔄flexible & reusable silicone

🟠18-piece versatile set

€ 68.35

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Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎨 Mold your masterpiece, sip in style!

GIFT READY DIY MAGIC - Create stunning 3.4-inch coasters ideal for housewarmings, holidays, and special occasions—stand out with handmade charm.
CUSTOMIZABLE ARTISTRY - Mix dried flowers, dyes, powders, and stickers to craft unique coasters that elevate your home or office vibe.
MULTI RESIN COMPATIBLE - Works seamlessly with epoxy, fast-drying, polyurethane, gypsum, and UV-resistant resins—expand your creative horizons.
ALL IN ONE CREATIVE KIT - 15 coaster molds + 3 stylish holders for round, square & octagon shapes—perfect for bulk crafting or gifting.
PREMIUM SILICONE FLEXIBILITY - Durable, reusable, and easy to demold with a glossy interior for flawless resin finishes every time.

LET'S RESIN 18 Pcs Coaster Resin Molds set offers a versatile, premium silicone toolkit with 15 coaster molds and 3 holders in round, square, and octagon shapes. Designed for easy demolding and compatibility with multiple resin types, it empowers both beginners and pros to create flawless, customizable coasters perfect for gifting or personal décor.

Specifications

ASIN	B0BKZ6ZH2S
Best Sellers Rank	#1,944 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #18 in Sculpture Molding & Casting Products
Brand Name	LET'S RESIN
Color	18pcs
Customer Reviews	4.7 4.7 out of 5 stars (2,444)
Item Dimensions	3.15 x 3.15 x 2.36 inches
Item Highlight	with Round Square Octagon Shape Holder Molds for Epoxy Resin, DIY Art Craft Cup Mats
Item Type Name	coaster molds
Manufacturer	LET'S RESIN
Manufacturer Part Number	ELR00207
Material Type	Silicone
Model Number	ELR00207
Number of Items	18
Number of Pieces	18
Shape	Square
Unit Count	18 Count
Warranty Description	60 Days Money-Back Guarantee

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 68.35

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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