Plastisol Heat Resistant Borosilicate Cup (500ml)

Product detailed description

When you start heating plastisol, you quickly learn that the container matters. This one is PYREX — one of the best high-heat borosilicate choices for a workshop. The thick-wall build holds temperature for a long time, you get a clean pouring spout, a solid handle, and a clear red scale — so your batches, tests and pours stay under control.

500 ml is the most universal size for everyday work + lamination. Compared to 250 ml, it gives you more comfort when dipping, more room for mixing pigments/additives, and a better in-hand feel (many makers love the 500 ml PYREX jug because it’s simply great to hold). Perfect for microwave heating, mixing, and especially for soft bait lamination up to 16 cm.

Soft bait lamination (the 3D finish)

Lamination is a simple clear surface layer: dip the finished bait body (with glued eyes) into heated plastisol for a moment and let it drip off. You end up with a clear “skin” that adds depth, gloss and a 3D look.

For a clean, even finish, a drip stand helps a lot:
→ GRAETE soft bait drip stand / drying rack: https://www.safrybolov.cz/en/formy/stojanek-na-gumove-nastrahy-graete/
→ Example finish on our SAF PLASTI-X baits: https://www.safrybolov.cz/en/saf-plasti-x/

Why borosilicate (and why it surprises people)

Borosilicate (Pyrex-type) is designed for high heat and thermal shock — exactly what can crack regular glass in a workshop. Commonly stated ranges for borosilicate are roughly -40 to +300 °C and thermal shock resistance around 220 °C (indicative values; always follow the specific product specs).

A gentle note about PYREX (extra-soft plastisols)

Because PYREX holds heat so well, very thin plastisols like extra soft / trout can be easier to overheat if you rush it. The fix is simple: heat in shorter steps, stir more often, and watch the consistency (a thermometer helps).

If you prefer a lighter jug that doesn’t retain heat as aggressively, Simax can be a great alternative in certain phases — different ergonomics, different feel (less hand fatigue).

Which size to choose (real-world guide)

→ 250 ml: lamination up to 10 cm, tests, pigments and additives
→ 500 ml: everyday work + lamination (most universal, more comfort when dipping) up to 16 cm
→ 1000 ml: bigger batches, more molds, longer heat retention and enough reserve for lamination up to 25 cm

→ For all detailed technical information, see the Parameters section below.
↓ Below the product description you will also find related and similar products to help you choose and build a complete setup.