PlatSil® 71/73 Part R Retarder – Retarder for Silicone Mold Making & Casting
PlatSil® 71/73 Part R Retarder – Retarder for Silicone Mold Making & Casting
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Premium Silicone Retarder for Professional Applications
PlatSil® 71/73 Part R Retarder is a platinum-compatible retarder from Polytek Development Corp., specifically developed for use with the full PlatSil® 71 and 73 series silicone rubbers. By adding Part R, the pot life is significantly extended, providing more processing time for complex models, large casting volumes, and detailed brush-on applications.
Key Benefits
- Certified skin safe: Polytek has this product independently assessed as skin safe, in accordance with FHSA (16 CFR 1500), LHAMA (16 CFR 1500.14), ASTM D4236 and Sections 201(s) and 409 of the Federal Food, Drug, and Cosmetic Act.
- Extended working time: ~1% addition doubles the pot life; ~2% triples it.
- Flexible dosage: Precisely adjustable based on project complexity and ambient temperature.
- Broad applicability: Compatible with all PlatSil® 71 and 73 series products (Shore A10 to A60).
- Ideal for large volumes: Prevents premature gelling in larger mixtures or warm working environments.
- Easy to process: Add to Part A before mixing with Part B; no adjustment of mixing ratio needed.
Typical Applications
- Complex molds with great detail requiring longer pot life
- Large casting volumes where premature gelling is a risk
- Brush-on blanket molds with multiple layers and longer inter-coat times
- Warm working environments where curing naturally accelerates
- SFX and prosthetics: precise positioning of silicones on location
- Education and workshops: more processing time for beginners and complex steps
Technical Specifications
Add to Part A before mixing with Part B. Maximum dosage: 4% of the total mixed weight (A+B). Exceeding this may prevent the system from fully curing. Always test on a small scale before larger mixtures. Compatible with the full PlatSil 71/73 product line.
Manufactured by Polytek Development Corp. (Easton, PA, USA) – specialist in professional casting and molding materials for industry, art, and manufacturing.
Professional Support
Do you have questions about the correct dosage or compatibility with your specific PlatSil system? Our technical team will be happy to advise you on the optimal processing parameters for your application.
Product Properties
- Density1.3g/cm³Density of the cured material
- Mix ratio1–4% of total mixture weightMixing ratio A : B
Application
- Use caseRetarder for PlatSil 71/73 & HTS Series. Max. 4% of total weightIntended use
- Silicone type["Auxiliary material"]Type of silicone or polymer
Safety Information
Not GHS hazardous. May cause mild eye and skin irritation. Use in a well-ventilated area. Wear nitrile gloves and safety glasses.| Safety Pictograms | Safety Data Sheets (SDS) |
|---|---|
Required protection (ISO 7010)
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Frequently asked questions
What is the delivery time for my order?
Orders placed and paid on working days are in most cases shipped the same day. Weekend orders are processed on the next working day.
Indicative delivery times: Netherlands usually within 1 working day, Belgium and Germany typically 1–2 working days, other countries depending on destination and carrier. These are guidelines, not guarantees: peak periods, public holidays or carrier delays can have an effect.
What is the return policy?
You have 30 days to return after receipt. Email info@siliconesandmore.com within 30 days of delivery with your name and order number. The full conditions are in our return policy.
How can I track my order?
As soon as your order has shipped, you'll receive a track & trace code by email. It can take up to 24 hours before the code is active.
I have a problem with my order – how do I reach you?
Contact us via our contact page or email info@siliconesandmore.com. We're happy to help you quickly.
Can I order as a business?
Yes. Apply for a business account; we review your application within 3 working days. After that you order while logged in and pay on invoice, with payment terms of 14 days after delivery.
EU businesses outside the Netherlands with a valid VAT number order with VAT reverse-charged (0%, intra-community supply). The VAT number is stored in your business account; it cannot be added to an order after it has been placed.