Silicone Condensation 20 A Component – Tin-Cure Casting Silicone for Molds

Name: Silicone Condensation 20 A Component – Tin-Cure Casting Silicone for Molds
Brand: SAM - Silicones and More
SKU: S10086
Price: 9.95 EUR
Availability: InStock

Product form

Silicone Condensation 20 A Component – Tin-Cure Casting Silicone for Molds

✔ Flexible, Strong, Universal
✔ White, Good Fluid, Bleeding
✔ Shore (A) 23 ~ 26
✔ Low shrinkage (<0.3%)
✔ 20 minutes working time
Read more

€9,95 Incl. BTW

30-day return period

More than 100,000 satisfied customers

Pay afterwards with Klarna

This product is ordered regularly

0.5 kg A component WITHOUT B component

€9,95

€19,90/kg

1 kg A component WITHOUT B component

Save €1,40 by volume

€18,50

€18,50/kg

5 Kg A component WITHOUT B component

Save €4,50 by volume

€95,00

€19,00/kg

20 kg A component WITHOUT B component

Save €76,00 by volume

€322,00

€16,10/kg

200 kg A component WITHOUT B component

Save €982,00 by volume

€2.998,00

€14,99/kg

Make a choice

0.5 kg A component WITHOUT B component
1 kg A component WITHOUT B component
5 Kg A component WITHOUT B component
20 kg A component WITHOUT B component
200 kg A component WITHOUT B component

Do you have a question about this product?

Contact Us

✔ Flexible, Strong, Universal
✔ White, Good Fluid, Bleeding
✔ Shore (A) 23 ~ 26
✔ Low shrinkage (<0.3%)
✔ 20 minutes working time

Premium Condensation Silicone A-component for Professional Molds

Silicone Condensation 20 A-component is the base component of a two-component, tin-cure (condensation-crosslinking) casting silicone with a Shore A 20 hardness. This high-quality silicone combines excellent flow properties with very high tensile strength and detail reproduction, ideal for creating durable molds for cement, plaster, wax, soap, and other casting materials. Note: The B-component (hardener) must be ordered separately – choose from a variety of hardeners for optimal compatibility with your casting material.

Key Benefits

Excellent flow properties: Good flowability for precise detail reproduction and self-venting effect
Very high tensile strength: Durable molds that can withstand hundreds of castings without cracking
Shore A 20 hardness: Medium hardness for a balance between flexibility and stability
Modular hardener system: Combine with the right B-component for your application (standard, polyester, epoxy/PU, fast)
Thickenable for spatula application: Addition of Thixo C (0.6-2%) enables smoothing and spatula techniques
Long shelf life: Minimum 1 year shelf life when stored cool, frost-free in closed packaging.

Typical Applications

Ornaments and decorative concrete molds for architectural decoration and restoration
Candle molds and wax molds for candle makers and hobbyists
Soap molds for artisanal soap production
Plaster and porcelain plaster molds for sculpture and art foundry
Concrete molds for precast elements, WetCast and decorative concrete
Acrylic resin molds for Jesmonite, Acrylic One and A1 applications

Technical Features

Ironing, Smearing or Spatula

For spreading, spatulating or smoothing silicone you can use Thixo C (0.6%-2%, usually 1%) . This thickener makes the silicone easy to spread. With this processing method, the mold must be provided with aplaster cast support cap. epoxy support cap, or acrylic resin with thickener and glass fibre.

Required B-component (hardener) - available separately:

Condensation B 5%: Standard hardener for universal applications (plaster, wax, soap, cement)
Wacker T51: Specially for polyester casting resins - prevents inhibition
Wacker T21: Specially for epoxy and polyurethane casting resins - prevents inhibition
Wacker T47 (1-2%): Fast hardener for short processing times, mixable with other hardeners

Silicones and More supplies high-quality silicone, epoxy, and polyurethane materials for professionals in mold making, casting, and decorative applications.

Professional Support

Our technical specialists can advise on hardener selection, mixing ratios, spatula techniques, support cap construction, and optimal results for your specific mold application. Contact us for technical data sheets, processing manuals, or advice on casting material compatibility.

Safety Information

Wear splash goggles, suitable liquid-tight gloves, an apron and work in a well ventilated area.

Safety Pictograms	Safety Data Sheets (SDS)

Signal Word	H‑code	Hazard Statement	P‑codes	P‑statements
Danger	H225	Highly flammable liquid and vapour	P210 P233 P240 P241 P243 P280 P303+P361+P353 P370+P378	Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking Keep container tightly closed Ground and bond container and receiving equipment Use explosion‑proof electrical/ventilating/lighting equipment Wear protective gloves/protective clothing/eye protection/face protection IF ON SKIN (or hair); Take off immediately all contaminated clothing. Rinse skin with water [or shower] In case of fire; Use appropriate extinguishing media
Warning	H319	Causes serious eye irritation	P264 P305+P351+P338 P337+P313	Wash hands thoroughly after handling IF IN EYES; Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing If eye irritation persists; Get medical advice/attention
Warning	H332	Harmful if inhaled	P261 P304+P340+P310	Avoid breathing vapours/spray IF INHALED; Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor
Warning	H335	May cause respiratory irritation	P261 P271 P304+P340+P310	Avoid breathing vapours/spray Use only outdoors or in a well‑ventilated area IF INHALED; Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor
Warning	H373	May cause damage to organs through prolonged or repeated exposure	P260 P314 P501	Do not breathe dust/fume/gas/mist/vapours/spray Dispose of contents/container in accordance with local regulations

More information about H and P statements can be found at UK HSE and ECHA.

Our story

Our story began with our father, the founder of Nedform BV. We— Roel, Rutger, and Rob Collaris —are his sons and wanted to bring his passion and knowledge to the online world. That's how SAM (Silicones and More) was born—a creative space for everyone.

Whether you're a beginner, an expert, or an enthusiastic DIYer looking for the right tools, materials, and some guidance, you've come to the right place. We've worked with silicones, resins, and casting materials ourselves for years. That's why we not only deliver quality but also genuine support—based on experience.

Small team with a great love for creating

Honest advice and reliable materials!

We help makers bring their ideas to life.

More about us

FAQs

What is the delivery time of my order?

Orders placed and paid for on weekdays before 4:00 PM are usually shipped the same day. Orders placed after 4:00 PM or on weekends are processed the next business day.

Netherlands: usually delivery within 1 working day
Belgium and Germany: delivery within 1-2 working days
Other countries: depending on destination and carrier

What is the return policy?

We offer a 30-day return policy as an added service. If you'd like to return an item or if there's something wrong with your order, please email us at info@siliconesandmore.com with your name and order number within 30 days of delivery. We'll help you quickly. The full terms and conditions can be found on our returns page.

How can I track my order?

Once your order has been processed and shipped, you'll receive a track and trace code by email, allowing you to easily track your package. Please note that it can sometimes take up to 24 hours after processing for the track and trace to be active.

I have a problem with my order, how can I reach you?

If you have any questions or run into any problems, please feel free to contact us via our contact page or email us at info@siliconesandmore.com . We'll be happy to help you quickly.

If you want an immediate answer, ask our chatbot. They have extensive knowledge of all our products and can often help you right away!

Can I also order for business purposes?

Yes, business orders are possible . Customers within the EU outside the Netherlands can order VAT-free with a valid EU VAT number (0 percent intra-Community supply).

Enter your VAT number on the shopping cart page , not at checkout.

Go to the shopping cart via the link below and enter your VAT number and email address, after which the VAT will be automatically removed.

https://siliconesandmore.com/cart

Please note that if you only enter your VAT number at checkout, it will not be processed correctly and VAT may still be charged.

SchjerningBodycasting Primer Black

Huismerk - SAMGilding Wax

WackerSilicone condensation HT 60 Set - Hard, Wacker Elastosil 4470 + T 40

Silicone Condensation 20 A Component – Tin-Cure Casting Silicone for Molds

Silicone Condensation 20 A Component – Tin-Cure Casting Silicone for Molds

Pairs well with