Overview:
A water-resistant silicone rubber seal for smartphones is crafted from high-quality silicone rubber, known for its flexibility, durability, and moisture resistance. Using silicone compression molding, we create precise, custom seals that protect electronic devices from water damage while maintaining optimal performance. We offer OEM services, providing tailored solutions in various sizes, shapes, and colors to meet your specific needs, ensuring top-quality protection for your devices.
Features:
| Specification | Details |
| Main Function | Waterproof (Water Resistance) |
| Common Materials | Silicone, LSR, NR, NBR, EPDM, HNBR, SBR, TPU, PTFE, CR, XNBR, etc. |
| Special Demands | 1) IP grade (Dust/Water Proof Grade) |
| 2) Flame Retardant Grade (L94 VO) | |
| 3) Medical/Food Standards (FDA PTFE) | |
| (For full medical/food standards, LSR is recommended) | |
| 4) GS Reports | |
| Hardness | 30-85 Shore A (Hardness Tolerance: +/- 5 Shore A) |
| Size Tolerance | +/- 0.025mm – +/- 0.3mm |
| Working Temperature | -40°C to 230°C |
Production Process:
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Material Selection
The first step is selecting high-quality silicone rubber, such as Liquid Silicone Rubber (LSR), which is known for its flexibility, durability, and resistance to extreme temperatures and environmental conditions. The silicone must meet specific performance standards such as IP ratings for water and dust resistance.
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Mold Design and Preparation
After selecting the material, a custom mold is designed to fit the specific requirements of the smartphone seal. This mold is often created using advanced CAD software and prepared with precision to ensure that the seal will fit perfectly into the device. The mold is then cleaned and preheated before production.
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Silicone Compression Molding
The silicone material is loaded into the mold, and silicone compression molding is used to form the seal. This process involves placing the silicone in a heated mold, where it is subjected to high pressure to achieve the desired shape and curing. The molding process ensures uniform thickness, consistency, and optimal sealing properties.
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Curing and Hardening
Once the silicone is shaped, it is cured under controlled temperature and pressure to harden the material. Curing ensures the silicone rubber seal achieves the right level of hardness, flexibility, and resistance to external elements.
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Post-Molding Inspection and Quality Control
After curing, the seal is removed from the mold and undergoes a thorough inspection to ensure it meets all specifications. This includes checking for dimensional accuracy, surface quality, and overall integrity. Quality control checks may include visual inspection, hardness testing, and measurement of tolerances.
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Cutting and Shaping (if necessary)
If required, the seal is further trimmed or shaped to fit specific smartphone designs. This step may involve cutting excess silicone material and ensuring the final product fits perfectly in the intended application.
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Packaging and Delivery
Once the silicone rubber seal passes quality checks, it is carefully packaged to prevent any damage during transportation. The seals are then ready for delivery to manufacturers or directly to clients for integration into smartphone devices.
OEM Services
We offer comprehensive OEM services, providing tailored solutions for your specific needs. To request a quote, simply provide us with your 2D/3D design drawings, samples, or any relevant information to help us understand your requirements.
Materials Offered:
– LSR (Liquid Silicone Rubber)
– Silicone Rubber
– NBR, SBR, EPDM, HNBR, TPU, PTV, NR, CR, and more.
Material Hardness:
– Range from 15 Shore A to 90 Shore A
– Precision tolerance can reach up to +/- 0.02mm.
Size Tolerance:
– Standard tolerance: +/- 0.025mm to +/- 0.3mm
– High-precision tolerances available upon request.
We also cater to special requirements, including but not limited to:
– Surface finishes
– Color customization
– Flame-retardant, dust-proof, and water-resistant properties
– Operating temperature specifications
– Non-disclosure agreements (NDAs)
Feel free to communicate your specific demands with us, and we will ensure a seamless and efficient collaboration to meet your exact specifications.
Quality Test Process:
The quality testing process for silicone rubber seals for smartphones involves several critical steps to ensure optimal performance and durability. First, each seal undergoes a visual inspection to detect any surface imperfections or defects. Then, precise measurements are taken using 3D and 2D projectors to verify dimensions and ensure they meet the required specifications. Sealing tests are conducted to confirm the effectiveness of the rubber seal in preventing water and dust infiltration. Additionally, elasticity measurements are performed to evaluate the material’s flexibility and resilience, ensuring it can maintain its shape and performance under stress. The hardness of the silicone rubber is tested using a durometer to ensure it falls within the desired range for optimal sealing function. Our test equipment includes advanced tools such as 3D and 2D projectors, sealing testers, elasticity measurement devices, and durometers, all of which play a crucial role in ensuring the quality and reliability of the silicone rubber seals used in smartphones.
Our Advantages:
- Precision In-House Mold-Making Expertise (Established in 1998)
We specialize in advanced mold-making technology, offering precise and reliable solutions for a wide range of applications.
- Competitive Pricing Direct from the Manufacturer
As the origin manufacturer, we provide cost-effective pricing without compromising on quality. Our extensive production capabilities include:
– Mold-Making Facility
– Silicone Rubber Compression Molding Plant
– Plastic Injection Molding Facility
– Liquid Silicone Rubber Injection Molding Facility (LSR)
– Assembly Plant
- Highly Experienced Mold Designers and Engineers
Our team consists of five skilled mold designers and engineers with extensive industry experience, ensuring the highest standards in design and production.
- ISO 9001:2008 Certified Production and Testing
All our manufacturing and testing processes are rigorously conducted in accordance with ISO 9001:2008 standards, ensuring consistent quality and reliability across all products.
