PlatSil FS-00 – Fast-Setting Ultra-Soft Silicone for Mold Making & SFX

Name: PlatSil FS-00 – Fast-Setting Ultra-Soft Silicone for Mold Making & SFX
Brand: Polytek
SKU: S82221
Price: 55.23 EUR

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PlatSil FS-00 – Fast-Setting Ultra-Soft Silicone for Mold Making & SFX

PlatSil FS-00 is a fast-curing 1A:1B platinum-cured silicone with a Shore hardness of OO52/A5. With a pour time of 8 minutes and a demold time of 30 minutes. Ideal for mold making with fast turnaround times. Read more

€55,23 Incl. BTW

SKU: S82221

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1 kg. Set

€55,23

€55,23/kg

2 kg. Set

Save €25,40 by volume

€85,06

€42,53/kg

10 kg. Set

Save €200,30 by volume

€352,00

€35,20/kg

36.36 kg. Set

Save €840,41 by volume

€1.167,75

€32,11/kg

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PlatSil FS-00 is a fast-curing 1A:1B platinum-cured silicone with a Shore hardness of OO52/A5. With a pour time of 8 minutes and a demold time of 30 minutes. Ideal for mold making with fast turnaround times.

Premium Fast-Setting Ultra-Soft Silicone Rubber for Professional Applications

PlatSil FS-00 is the softest variant in Polytek Development Corp.'s fast-setting FS series, with a Shore OO52/A5 hardness. This platinum-cured 1A:1B system combines a long pot life of 8 minutes with a fast demold time of 30 minutes — ideal for applications where extreme softness and rapid turnaround are both required, such as non-skin SFX, robotics, and soft prototypes.

Key Benefits

Ultra-soft hardness: Shore OO52/A5 — the softest in the FS series, for maximum realistic tissue mimicry and flexible molds.
Fast-setting formula: 30-minute demold time at room temperature, further accelerated with Part X Accelerator or heat (max. 60°C).
High elongation: 1,300% elongation for exceptionally flexible molds that release complex geometries without tearing.
Zero shrinkage: Platinum catalyst ensures dimensionally stable results without shrinkage or degradation over time.
Excellent release properties: No release agent needed in most applications, saving time and cost.
Brush-on compatible: Thickened with PlatThix for blanket molds; maximum layer interval 15 minutes.

Typical Applications

Load-bearing, stretchable skin in robotics applications
Rapid molding of technically complex parts.
Soft prototypes in product design where flexibility and detail accuracy are essential
Mold making for soft consumer products and parts
Brush-on blanket molds for complex sculptures and architectural models
Film and television productions where fast turnaround is required

Technical Specifications

PlatSil FS-00 is mixed in a 1A:1B ratio by weight. Pot life: 8 minutes. Demold time: 30 minutes at 73°F. Shore hardness: OO52/A5. Viscosity: 5,000 cP. Elongation: 1,300%. Tensile strength: 400 psi. Tear strength (Die B): 120 pli. Cured color: milky translucent. Specific gravity: 1.1. Store at 15–32°C in unopened original packaging; shelf life up to 6 months after opening.

Polytek Development Corp. is an American specialist in polyurethane and silicone systems for professional mold making, SFX, and industrial casting, with over 40 years of experience in the sector.

Professional Support

Do you have technical questions about the softness, additives, or optimal processing conditions for your specific application? Our team is ready with product-specific advice based on your project. Contact us for personalized guidance.

Safety Information

May cause mild eye and skin irritation. Keep out of reach of children. Use in a well-ventilated area. Wear nitrile or butyl rubber gloves and safety glasses.

Safety Pictograms	Safety Data Sheets (SDS)
	📥 EN FS Series MSDS

Signal Word	H‑code	Hazard Statement	P‑codes	P‑statements

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

Product Properties

Hardness
5Shore A
Hardness of the silicone material
Hardness
52Shore 00
Very soft hardness
Shrinkage
0.0%
Linear shrinkage after curing
Color Milk transparent Color of the finished product
Transparency milk-transparent Degree of transparency
Viscosity
5000mPa·s
Viscosity of the uncured silicone
Density
1.1g/cm³
Density of the cured material
Mix ratio 1A:1B Mixing ratio A : B
Tensile strength
2.758MPa
Maximum tensile force before breaking
Tear strength
21.015kN/m
Resistance against tearing
Elongation at break
1300%
Maximum stretch before breaking
Pot life
8minuten
Working time after mixing
Cure time
30minuten
Time until full cure

Electrical Properties

Insulating true Prevents electric current flow

Certification & Safety

Chemical resistance Good — suitable for casting polyester, polyurethane and epoxy Resistance to chemicals

Application

Use case Making molds, casting polyurethane, epoxy and polyester Intended use
Silicone type ["Platinum-curing (addition cure)"] Type of silicone
Cure speed Casting time: 8 minutes • Demolding time: 30 minutes Speed of curing

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.

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FAQs

What is the delivery time of my order?

Orders placed and paid for on business days will be shipped on the same day in most cases. Orders received on weekends will be processed on the next business day.

We always do our best to ship orders as quickly as possible, but actual shipping times may vary due to high volume, stock availability, or carrier circumstances.

Delivery time depends on the destination country and the carrier. Below is a general indication:

Netherlands: usually within 1 business day
Belgium & Germany: typically within 1–2 business days
Other countries: depends on the destination and the local carrier

Please note: these are guidelines, not guarantees. The final delivery time may differ due to factors beyond our control, such as sorting center delays, public holidays, or exceptionally high volume.

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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.

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PlatSil FS-00 – Fast-Setting Ultra-Soft Silicone for Mold Making & SFX

PlatSil FS-00 – Fast-Setting Ultra-Soft Silicone for Mold Making & SFX

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