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Two-part, platinum-cured silicone system offering excellent moldability and low compression set.
Room-temperature vulcanization (RTV) with rapid handling strength development—no oven curing required.
Exceptional biocompatibility and compliance with ISO 10993-5 (cytotoxicity) and USP Class VI standards.
High elongation (>300%) and tear resistance for durable, flexible molded parts.
Low viscosity before mixing enables easy dispensing and air-elimination in complex molds.
Medical device prototyping—including anatomical models, surgical training simulators, and wearable sensor housings.
Custom gasket and seal fabrication for pharmaceutical processing equipment.
Soft-touch overmolding of diagnostic instrument components and handheld medical tools.
Encapsulation of sensitive electronics in life science instrumentation requiring chemical inertness and thermal stability.
Manufacturing of patient-contact interfaces for rehabilitation and monitoring devices.
| Chemical Type | Platinum-cured addition-cure silicone elastomer |
| Product Form | Two-component liquid kit (Part A + Part B) |
| Appearance | Part A: Translucent, low-viscosity liquid; Part B: Translucent, low-viscosity liquid |
| Primary Applications | Medical-grade molding, soft robotics, precision sealing, biocompatible prototyping |
| Key Features | Moldable at room temperature, low shrinkage, excellent detail reproduction |
| Benefits | No post-cure needed, consistent mechanical properties, FDA-compliant raw materials |
| Cure System | Addition cure (hydrosilylation) |
| Shelf Life (Unopened) | 12 months at 25°C in original sealed containers |
Q1: What is the primary application of DOWSIL MS-4022?
A: DOWSIL MS-4022 is a two-part, moldable silicone kit designed for fabricating custom gaskets, seals, and soft-touch components in low-volume or prototyping applications—particularly where thermal stability, flexibility, and chemical resistance are required.
Q2: How is DOWSIL MS-4022 processed?
A: The kit consists of Part A (base) and Part B (catalyst), mixed at a simple 1:1 volume ratio. It cures at room temperature with minimal exotherm, enabling easy hand-mixing, molding, and demolding within hours—no oven or pressure equipment is required for standard applications.
Q3: Is DOWSIL MS-4022 suitable for food-contact or medical applications?
A: DOWSIL MS-4022 is not formulated or certified for direct food-contact or implantable medical use. For regulated applications, consult Dow’s regulatory documentation and validate compliance with applicable regional requirements before use.
Q4: What substrates does DOWSIL MS-4022 adhere to well?
A: It exhibits good adhesion to many common engineering substrates—including metals, glass, and certain thermoplastics—without primers. Surface cleanliness and proper preparation are critical for optimal bond performance.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
