Environmental Application Case of TPE Material in the Beauty Bowl Field: Exploring an Eco-Friendly Solution for EN65A-YB-MRW Beauty Bowls
Time of issue:2026-01-19
Case Background
When developing a new beauty bowl, the daily chemical products manufacturer faced a key challenge: they needed to produce elastomer components via separate molding processes that would offer both a comfortable tactile feel and zero odor characteristics. Traditional materials tend to retain chemical odors, and their hardness levels often fail to match user expectations, thereby impacting the overall user experience.
Customer’s core needs
- Sensory experience: Fine and smooth surface texture, providing a highly comfortable grip.
- Hygiene and safety: Passed food-grade odor testing, with no irritating volatile substances.
- Processing performance: Suitable for efficient injection molding at 200℃.
- Durability features: Resistant to UV-induced yellowing, ensuring long-term consistency in appearance.
- Substrate compatibility: Possesses the potential for coating with PP/PE (leaving room for future product upgrades).
Solution: Material Properties of EN65A-YB-MRW
This modified TPE material achieves three major breakthroughs:
1. Sensory Optimization: Special surface modification technology gives the Shore 65A hardness material a skin-like tactile feel, and optimizes the coefficient of friction to 0.25, enhancing grip and anti-slip performance.
2. Odor Control: Utilizes a medical-grade volatilization removal process, with VOC content < 50 μg/g (below the EU toy standard EN71-7 limit).
3. Engineering Balance: High fluidity (melt index of 32 g/10 min) ensures complete molding of complex curved surfaces; the UV-resistant formulation passes the 500-hour xenon lamp aging test with ΔE < 2.
Implementation process
During the selection phase, EN65A-YB-MRW was chosen from among 12 materials; its hardness gradient precisely matches ergonomic requirements. Process validation focuses on three key aspects:
- Injection molding parameter optimization: A material temperature of 200℃ combined with a holding pressure of 45 MPa eliminates flow marks.
- Odor verification: A blind test group of 30 people confirmed at 100% that there was no irritating odor.
- Accelerated aging: Color change rate ≤ 5% after simulating a 3-year usage cycle.
The key breakthrough lies in the introduction of nano-scale slip agents, which maintain a matte surface texture while reducing stickiness, and have passed the FDA food-contact material migration tests.
Achievements and Value
- User experience: Customer blind tests show a 37% improvement in tactile comfort.
- Production efficiency: The defect rate has dropped from an initial 8.2% to 0.9%.
- Market feedback: Zero odor complaints three months after launch
- Expansion potential: The material is ROHS/REACH certified, paving the way for entry into export markets.
Industry Promotion Potential
The scheme has been extended and applied to the field of maternal and infant products:
1. Baby massage device handle (molded separately)
2. Eco-friendly foldable food container sealing ring (PP with rubber coating)
3. Non-slip base for pet drinking bowls
The safety and reliability of EN65A-YB-MRW in direct contact with the human body have been verified, providing high-standard material options for the personal care and kitchenware industries.
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ADD: Huangxi Industrial Park, Shiwan Town, Boluo County, Huizhou City, Guangdong Province，China