Product Description
Overview
We specialize in precision silicone overmolding for premium shower components, including rotary knobs, sealing rings, positioning gears, and grip sleeves. These parts combine a rigid substrate (typically POM, PA, or brass insert) with a soft-touch silicone layer, providing waterproof sealing, anti-slip grip, smooth rotation, and long-term durability in wet environments.
Material & Performance
Silicone: Wacker ELASTOSIL® series, 30–60 Shore A
Substrate options: POM, PA66, Brass, Stainless Steel
Bond strength: ≥ 1.2 N/mm (peel test)
Temperature range: -40°C to +180°C
Waterproof rating: IP67 equivalent (with proper design)
Manufacturing Process
Insert molding / transfer molding with automatic rubber injection
Secondary overmolding onto pre-machined plastic or metal inserts
Post-cure treatment for optimal mechanical properties
100% visual inspection + functional torque/leak test
Customization Options
Color matching (any Pantone)
Surface texture: matte, glossy, fine grain
Hardness tuning per application (soft grip vs firm seal)
Insert material and geometry tailored to your assembly
Quality Assurance
ISO 9001 certified facility
In-process SPC control for bond strength and dimension
FAIR (First Article Inspection Report) included with first order
DFM review provided within 24 hours of receiving 3D file
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Contact Us
Ready to Start Your Next Project?
Get in touch with our team for a free consultation and competitive quote.
CALL US
+86-592-8876250
EMAIL US
zhs@xmcreator.com
VISIT US
Jimei district, Xiamen, China