SLO-JO™

Slo-Jo-pint ⓘ

Additives

Platinum Silicone Cure Retarder that extends the working time for silicone without affecting strength.

Compatible with platinum silicones and Soma Foama™
Maintains tear strength and elasticity
Ideal for complex molds and large-scale pours
Easy integration into silicone systems

€ 23.98

(€ 19.82 without 21% VAT)

In stock

Description

This cure retarder is an additive designed to extend the pot life of platinum silicone rubber systems and Soma Foama™ silicone foams. It slows the curing reaction, providing greater flexibility during mixing and application.

Features

Increases working time without compromising physical properties
Retains full tear strength, elasticity, and dimensional stability
Ideal for large-scale pours, complex molds, and multi-part assemblies
Allows for precise placement and air-free blending
Blends easily into Part A before adding Part B
Adjustable timing based on temperature, batch size, and mold complexity

Suitable for professional mold making, special effects fabrication, prototyping, and industrial applications, delivering consistent and controllable results.

Instructions

Add the retarder to silicone Part A and mix thoroughly until uniform.
Adjust the amount to extend working time as needed.
Then add Part B and mix completely.
Pour or apply as usual.
Do not overuse, as cure time will increase.
Allow to cure fully per silicone instructions.
Wear gloves and ensure proper ventilation during use.

Specifications

Shelf Life	Limited
Operating Temperature	23°C

Available in Additives

Product	Viscosity	Shelf Life	Cure Time	Mix Ratio	Operating Temperature	Storage Temperature
Inhibit X™	Low	Limited	-	-	-	-
SLIDE™ STD	-	Limited, use as soon as possible	16 - 24 h.	Up to 1.5% of SLIDE™ STD as a percentage of Part B	23°C	-
Slacker™	-	-	-	-	23°C	-
SLO-JO™	-	Limited	-	-	23°C	-
Plat-Cat™	-	Limited	-	-	-	23°C

Why buy at FormX?

Dedication to Materials

For over thirty years we have sought out the highest quality modelling, moulding and casting materials from around the world.
Inspiring + Unique

From silicones and resins to Jesmonite and special effects materials — a curated range for professionals, artists and makers.
Expert Advice

Our sales team is widely known for their knowledge and dedication, supporting you in mould making, casting, sculpture and prototyping.
Shipping Across Europe

We ship from our warehouses in Amsterdam, Barcelona and Madrid to customers throughout Europe, from Greece up to Norway.
Amsterdam Original

Founded in Amsterdam, FormX grew from a local art foundry into a major European supplier — with our roots firmly in the city.

FormX is specialized in the supply of the highest quality 3D modelling and reproduction materials available and has warehouses and showrooms in Amsterdam, Barcelona and Madrid.

Legal

Webshop

About

Community

This website has been developed by Usecue B.V.
© 2026 FormX B.V.