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Kegel ball (female use)
Qiniu
Kegel ball (female use)
I. Raw Material Specifications
All our Kegel exercise balls and vaginal training dumbbells are made of original imported medical solid silicone raw material, the same premium-grade material used for medical catheters and baby bottle nipples. The material has passed ISO 10993 biocompatibility and skin & mucous membrane irritation tests, custom-developed for direct contact with women’s intimate mucous membranes.
High Purity & Zero Additives
Free of plasticizers, heavy metals, phthalates and inferior recycled rubber; latex-protein free. It prevents allergies, itchiness and mucosal irritation in intimate areas. Its dense and stable molecular structure resists absorption of bodily secretions and leaching of hazardous substances, and will not trigger chemical reactions even with prolonged exposure to the weakly acidic environment of private tissues.
Exclusive Platinum-Cured Silicone Base
We adopt imported raw silicone rubber formulated for platinum vulcanization systems, featuring pure, impurity-free compound. Its plasticity, tear resistance and elasticity far outperform ordinary food-grade silicone. It delivers soft, skin-friendly texture with a delicate matte surface free of burrs. The smooth, perfectly rounded spherical surface has no sharp edges, producing zero stinging foreign-body sensation upon insertion.
Sanitization-Resistant & Long Service Life
It withstands boiling water, alcohol, intimate care disinfectants and ethylene oxide sterilization. Repeated washing will not cause yellowing, hardening or cracking. Its operating temperature range spans from -60°C to 200°C, maintaining stable performance during daily hot water cleaning and high-temperature disinfection for extended service life.
Low Odor & Ultra-High Cleanliness
The virgin rubber base has nearly no inherent odor. A secondary high-temperature post-vulcanization process fully volatilizes residual small-molecule compounds, leaving no harsh plastic smell after unpacking. It is safe for people with sensitive skin and fragile postpartum mucous membranes.
II. Raw Material Performance Parameters
| Regular Test Item | Test Standard | YH-7171 |
| Color | Visual Inspection | Pink |
| Density (g/cm³) | GB/T16583-1996 | 1.24 |
| Hardness (Shore A) | GB/T531.1-2008 | 70±2 |
| Tensile Strength (MPa, min.) | GB/T 528-2009 | 7.5 |
| Elongation at Break (%, min.) | GB/T 528-2009 | 220 |
| Permanent Set at Break (%, max.) | GB/T 528-2009 | 5 |
| Tear Strength (kN/m, min.) | GB/T 529-2008 | 18 |
| Compliant with RoHS and REACH standards | ||








