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High-performance, two-part addition-cure liquid silicone rubber (LSR) offering excellent flow and low viscosity for precise mold filling.
Exceptional thermal stability with continuous service temperature up to 200 °C.
UL 94 V-0 rated for flame retardancy without halogen additives.
Low compression set and outstanding long-term elasticity for durable sealing and cushioning performance.
Biocompatibility compliant with ISO 10993-5 and USP Class VI for medical device applications.
Medical tubing and catheter components requiring biocompatibility and kink resistance.
Automotive sensor encapsulation and under-hood gasketing exposed to high temperatures and oils.
Consumer electronics seals and protective gaskets for waterproof enclosures (IP67/IP68).
Industrial fluid handling components including diaphragms and pump valves.
Food-contact-grade seals and gaskets compliant with FDA 21 CFR §177.2600.
| Chemical Type | Platinum-catalyzed addition-cure liquid silicone rubber |
| Product Form | Two-component (Part A + Part B), ready-to-mix liquid |
| Appearance | Translucent to milky white, low-viscosity liquid |
| Primary Applications | Medical devices, automotive sealing, electronics protection, food processing equipment |
| Key Features | Flame retardant (UL 94 V-0), biocompatible, high-temperature resistant, low compression set |
| Benefits | Short cycle times in injection molding, excellent dimensional stability, minimal post-cure required |
| Curing System | Addition cure (no by-products); typical cure at 150 °C for 5 minutes |
| Shelf Life | 12 months unopened at ≤25 °C; store Parts A and B separately |
Q1: What is the primary function of DOWSIL BY 16-201 Silicone in formulations?
A: DOWSIL BY 16-201 Silicone is a silicone-based additive primarily used to enhance surface slip, improve scratch resistance, and reduce coefficient of friction in thermoplastic and thermoset polymer systems—especially in engineering plastics such as polyamide, polycarbonate, and polypropylene.
Q2: Is DOWSIL BY 16-201 Silicone compatible with high-temperature processing conditions?
A: Yes, it is thermally stable and designed to withstand typical melt processing temperatures encountered in extrusion, injection molding, and compounding—without significant degradation or volatile release under standard industrial conditions.
Q3: How is DOWSIL BY 16-201 Silicone typically incorporated into polymer systems?
A: It is commonly added directly during compounding—either as a masterbatch or via side-stuffer feeder—and disperses readily in molten polymers. Pre-dilution in carrier resin may be used to ensure uniform distribution, especially at lower dosage levels.
Q4: Does DOWSIL BY 16-201 Silicone affect the mechanical properties of the final part?
A: When used within recommended dosage ranges, it generally maintains the base polymer’s tensile strength and impact performance while selectively improving surface-related attributes such as abrasion resistance and tactile feel—without compromising structural integrity.
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E-mail: wangxingqiang@ericwchem.com
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