What temperature and for how long, do I bake a small sculpture?

Polymer clay is very finicky stuff. It can burn if it’s too thin, left in the oven too long, or baked at too high of a temperature. Now, Arteza has very conflicting directions (on the listing, on the box, and on their own website) so it’s hard to know which directions are correct. The listing says “bake at 275F for 15 minutes per 1/4 inch thickness”, the box says “bake at 325F for 15 minutes per 1/4 inch thickness”, and the website says “bake at 266F for 15 minutes per 1/4 inch thickness”. I’ve worked with polymer clay for over 20 years and I know that 325F is way too high for baking polymer clay (it will burn before it hardens). I’d recommend starting at 266F and increase the temperature if needed, but don’t go any higher than 275F.

Let's say a coffee mug was made from this, would it be dishwasher safe or handwash only?

You can not make a mug from this and use it for food or drink. It is not food safe, it is not dishwasher safe. It is for decoration only.

bake in a regular (or toaster) oven?

I bake in toaster oven & it works great! As long as you can control the temperature. I use it outside to keep the fumes out of house. I set the temp at roughly 250°f and bake for 30 mins.

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ARTEZA Polymer Clay Set, 42 Colors, 1 oz Oven-Bake Blocks with Tools

Product ID: 60018430

Details

Age Range (Description)
Adult
Brand
ARTEZA
Color
Multicolor
Educational Objective
Problem Skill
Included Components
5 sculpting
Item Weight
998 g

🎨42 vibrant colors

🔥oven-bake polymer clay

🛠️5 sculpting tools included

S$90

Duties & taxes included

In stock

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Description

🎉 Craft your next obsession with 42 colors and tools in one sleek set!

BAKE HARDEN AND FLAUNT - Oven-bake formula ensures durable, professional-quality finished pieces every time.
FROM CLAY TO CHIC WEARABLES - Create stunning earrings, pendants, and keepsakes without hunting for extra supplies.
PERFECT FOR MINI MASTERPIECES - Easily mold beads, charms, and miniatures with clay designed for detailed, small-scale art.
ALL IN ONE CRAFTING POWERHOUSE - Includes 5 precision tools plus jewelry findings to jumpstart your DIY projects instantly.
UNLEASH YOUR CREATIVITY IN 42 SHADES - A kaleidoscope of colors for endless custom blends and marbled effects.

The ARTEZA Polymer Clay Set offers 42 vibrant oven-bake clay bars in bright, pastel, neutral, and metallic shades, paired with 5 sculpting tools and assorted jewelry findings. Designed for detailed small-scale creations like earrings, charms, and miniatures, this all-in-one kit empowers both beginners and pros to craft durable, wearable art and decor with ease.

Specifications

ASIN	B07B9ZXK6C
Age Range Description	Adult
Best Sellers Rank	#87,180 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #373 in Pottery & Modeling Clays
Brand Name	ARTEZA
Color	Multicolor
Customer Reviews	4.6 4.6 out of 5 stars (2,792)
Educational Objective	Problem Solving Skill
Global Trade Identification Number	00810386031020
Included Components	5 sculpting tools and assorted jewelry findings
Item Dimensions	6.8 x 4.2 x 6.8 inches
Item Type Name	artists-clays
Item Weight	998 g
Manufacturer	Arteza
Manufacturer Part Number	ARTZ-8196
Material Type	Clay
Model Name	ARTZ-8196
Model Number	ARTZ-8196
Number of Items	42
Other Special Features of the Product	Oven Bake
Recommended Uses For Product	Crafting, Jewelry Making, Sculpting, Home Decor
UPC	810386031020
Unit Count	42 Count
Warranty Description	We Care About Our Customers: We want to ensure you have a great experience with our products because we truly care about our customers. Our team strives to create products we can stand behind. If you have any issues with our products, please reach out and we’ll make it right.

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