Quality Control

Quality assurance is paramount at Silkeypad, where precision and consistency are essential. Without strict quality standards, achieving accuracy becomes a challenge, resulting in variation, defects or potential silicone keypad failures.The keyboard Production processes often struggle to maintain consistency and flexibility, risking significant expenditures without tangible benefits.

At Silkeypad, we bring quality assurance in-house, giving you peace of mind and the assurance of excellence in every keyboards we produce.<

About Us
Quality Documentation In Keyboard

Quality Control Process in Silicone Keypad

Raw Material Acquisition and Evaluation

Raw Material Acquisition and Evaluation

Our rigorous keyboard sourcing process prioritizes raw materials from reputable suppliers with certified quality management systems. Ensuring compliance with keyboard industry standards, including RoHS, REACH, and FDA certifications, ensures seamless alignment with your stringent requirements and underscores our commitment to quality assurance.

Production Process Optimization

Production Process Optimization

The keyboard manufacturing process encompasses various stages, including mold fabrication, circuit board assembly, component integration, and final assembly. Each stage undergoes rigorous quality control and management protocols to promptly detect and address any quality issues, ensuring optimal performance and reliability.

Rigorous Testing and Inspection

Rigorous Testing and Inspection

Following production, every keyboard undergoes meticulous testing and inspection to verify stable performance, operational integrity, and compliance with CE, FCC, and other regulatory standards. Comprehensive data recording and analysis facilitate timely adjustments to production parameters, fostering continuous enhancement of product performance and quality.

4.Precision Packaging and Expedited Shipping

Precision Packaging and Expedited Shipping

Prior to final packaging and shipping, our quality-controlled keyboards undergo thorough final inspection to ensure adherence to established standards, guaranteeing factory-quality assurance. With a focus on precision packaging and expedited shipping, we uphold our commitment to delivering superior products that exceed expectations.

Advanced Quality Control Solutions

ISO Class 8 Cleanroom Injection Molding
Utilized for medical devices, pharmaceutical packaging, and biotechnology products, our ISO Class 8 cleanroom ensures minimal contamination and variation, enhancing keypad quality and reliability.

Validation Processes: IQ/OQ/PQ
Integral to medical device manufacturing, IQ/OQ/PQ validation ensures that equipment and processes are operating within controlled parameters, providing consistency and manageability in keypad production.

Comprehensive Quality Control
We provide extensive quality documentation in keyboard production, including ISO 9001:2015 and IATF 16949 certifications, FAI, PPAP reports, TDS, CMM inspection reports, SPC reports, material certificates, DFM feedback, ensuring product traceability and quality control.

Precision Inspection Technology
The use of advanced equipment such as Hexagon 3D CMMs and tensile testers, along with optical and projector inspection devices, ensures high quality, accurate products throughout the rubber keypad manufacturing process.

Quality Documentation In Keyboard

● DFM feedback
● First Article Inspection (FAI)，In-process and final inspections
● Complete incoming material inspection
● Material Technical Data Sheets (TDS)
● Material Certificates
● PPAP Report (Production Part Approval Process)
● SPC Report (Statistical Process Control), Capability Studies, Control plans, Master plan validation
● Robust Corrective & Preventative Action Reports
● Risk Mitigation through Process/Product Failure Mode and Effects Analysis (PFMEA)
● CMM Inspection Report
● ISO 9001:2015 Certification
● IATF 16949 Certification

FAQ

Q: How long is your delivery time?
Our standard delivery time is 20-25 days. For larger quantities, it may take 25-30 days.

Q: Do you have your own factory? Or is it just a trading company?
We are a professional OEM/ODM manufacturer with our own modern factory covering an area of 4,500 square meters.

Q: How many year of manufacturing experience do you have?
We have more than 20 years of manufacturing experience.

Q: What is the capacity of your factory?
The monthly capacity of our factory varies based on the complexity and size of the silicone keypad we are working on.To get a more accurate estimate of our monthly capacity for your specific keyboards, please feel free to contact us with more details.

Q: How do you guarantee the quality?
Ensuring the quality of bulk orders is of utmost importance to us. We implement a comprehensive quality control process to guarantee the excellence of our rubber keypads. Here's how we maintain quality:
- Quality Inspections: Our experienced quality control team conducts thorough inspections at various stages of keyboard production, including silicone keypad material sourcing, manufacturing, and assembly.
- Sampling: We often perform random sampling of silicone buttons from different batches to verify consistency and adherence to specifications.
- Testing: Depending on the silicone keys, we conduct performance, functionality, and durability tests to ensure keyboards meet industry standards and your expectations.
- Certifications: Our keyboards often carry industry certifications that confirm their quality and compliance with relevant regulations.
- Documentation: We maintain meticulous records of quality control processes and results for each keypads.
- Feedback: We welcome your feedback and encourage open communication throughout the keypad production process . Your insights help us continuously improve our silicone keypads.
Q: Do you provide samples? Is it free or extra?
Yes, we offer samples free of charge. However, customers are responsible for the cost of express shipping fees.

Q: What is a silicone keypad?
A silicone keypad, also known as a rubber keypad, is a flexible and durable input device commonly used in electronic devices like remote controls, keyboards, and industrial control panels. It consists of keys or buttons made from silicone rubber, offering tactile feedback and easy actuation.

Q: What are the main raw materials of Silicone Rubber Keypad?
The raw material used in Silicone Rubber Keypads is silicone, which belongs to the elastomer category of polymers. Natural rubber and synthetic rubber are also types of polymers. Natural rubber is derived from rubber tree sap, while synthetic rubber is produced from crude oil through organic chemistry processes. Silicone Rubber Keypads typically have a hardness ranging from 50 to 80A. Excessive hardness can lead to increased defect rates and higher production costs.

Q: What are the common undercut designs?
The mounting methods for Silicone Rubber Keypads encompass Pull-Through, Wrap-Around, Push-Through, Pull-Snap, and Push-Snap techniques. Maximizing the diameter of the undercut facilitates production efficiency.

Q: The dimensional error of Silicone Rubber Keypad should be followed?

Dimension Tolerance
Inches MM Inches MM
0 – .987 0 – 25 0.005 0.13
.998 – 1.460 25.1 – 37 0.008 0.2
1.461 – 1.971 37.1 – 50 0.01 0.25
1.972 – 2.444 50. – 1-62 0.012 0.31
2.445 – 2.956 62.1 – 75 0.015 0.38
2.957 – 3.428 75.1 – 87 0.017 0.44
3.429 – 3.940 87.1 – 100 0.02 0.5
3.491 – 5.908 100.1 – 150 0.024 0.62
5.909 – OVER 150.1 – OVER 0.005 0.005

Q: What are the light guide designs of Silicone Rubber Keypad?

● Centre LED lllumination
This LED installation method is ideal for Silicone Rubber Keypads with limited space requiring illuminated buttons. To accommodate LEDs, Circular or Semi-Circular Rings are selected at the bottom of the buttons. If a Metal Dome driver is necessary, Metal Domes with holes should be considered. Various backlight forms are available for laser-engraved Silicone Rubber Keypads or those printed with opaque pigments on transparent silicone.
● EL Backlight
The EL backlight emits a single, uniformly bright color, suitable for large-area luminous logos and fonts on Silicone Rubber Keypads. However, it requires higher power drive and has a lifespan of only 2000-3000 hours. For longer lifespan, optical fiber forms can be considered, albeit at a higher cost.

Q: What are the advantages of silicone keypads?
Silicone keypads offer several advantages, including waterproof and dustproof properties, resistance to extreme temperatures, chemicals, and UV radiation. They also provide a soft and comfortable touch feel, quiet operation, and customizable design options.

Q: Can silicone keypads be customized?
Yes, silicone keypads can be customized to meet specific design requirements. This includes varying the shape, size, color, and layout of the keys, as well as incorporating embossed or debossed graphics, backlighting, and conductive pills for enhanced functionality.

Q: What industries use silicone keypads?
Silicone keypads find applications across various industries, including automotive, medical, aerospace, telecommunications, consumer electronics, and industrial equipment. They are commonly used in devices requiring reliable and user-friendly input interfaces.

Q: What are the common carbon ring shapes of Silicone Rubber Keypad?
Common carbon ring forms include Circular Ring, Semi-Circular Ring, Oval, Square, Square Ring, and Semi-Square Ring. It is recommended to use carbon pellets in keypads due to their superior stability and lower resistance. Additionally, carbon pellets are less prone to peeling off over time due to driving, ensuring the long-term functionality of the keypad.

Q: What are the printing details of Silicone Rubber Keypad?
Standard rubber keyboards often use screen printing or pad printing for graphics, while standard silicone rubber keypads suffice for many companies not requiring backlight technology. For more demanding applications or aesthetic preferences, molded rubber backlights are available, employing laser etching—a method using high-power lasers to remove paint layers. This enhances clarity, brightness, and visibility in the backlight area, achieved by applying different backlight technologies once the translucent layer is reached.

Silicone Keypad Factory Show

Silkeypad is a professional silicone keypad one-stop manufacturer with leading production equipment and production capabilities.

The company is engaged in mold design and manufacturing, product development, product design, APQP development and supply chain management. We also provide pre-sales and after-sales services such as full-process inspection, packaging and transportation of finished products.
We focus on the production of customized injection molds, silicone rubber products, and plastic accessories, providing customers with customized and satisfactory solutions. Among them, for products such as liquid silicone keypads buttons, they are active in the medical, consumer electronics, automotive, industrial, kitchen and bathroom industries. At the same time, we can provide diversified materials, advanced manufacturing processes and higher-than-standard quality to produce silicone buttons.

● Wholly owned factory
● With complete oversight and authority
● The factory covers an area of 4500㎡
● Over 20 years of OEM/ODM experience
● Equipped with world-class processing machines such as Roders, Makino, Sodick, and YCM

About Factory
plastic injection molding

Silkeypad uses world-class mechanical processing equipment and multi-faceted mold manufacturing technology to achieve micron-level mold manufacturing, perfectly achieving the precision required for manufacturing rubber keypads.

We use ARBURG, Miltitech, 2KM and other manufacturing equipment to manufacture ultra-precision products with a minimum weight of 0.02g and a minimum thickness of 0.1mm.Equipped with an ISO-certified level 8 medical dust-free workshop, it provides a reliable manufacturing environment for medical device parts. We also have an LSR molding workshop and a plastic injection molding workshop, which can meet the production requirements of silicone rubber keypads.

Silicone Injection Molding

We have an in-house tool shop to ensure absolute control, confidentiality, speed and adaptability. Our state-of-the-art machinery infrastructure ensures environmentally friendly and high-quality production of silicone buttons keypads with precision tools. With in-house production we ensure control of the entire value chain. This guarantees optimal process safety and economic efficiency.

We offer diverse manufacturing technologies for the design and production of silicone rubber buttons, including mold design and manufacturing, silicone and plastic injection molding, liquid silicone injection molding, compression molding, extrusion molding, 3D printing, CNC machining, metal stamping, post-processing handling and parts assembly.

silicone compresion molding workshop
wire EDM

We use various machines and equipment, including CNC, EDM, CMM, injection molding machines, silicone compression molding machines, constant temperature and humidity machines, tensile strength testers, hot and cold testers to produce liquid silicone keypads. At the factory, we excel in all aspects of raw material sourcing, mold design and manufacturing, injection molding, and post-processing processes.

We strictly abide by the ISO9001 and IATF16949 quality management systems to provide customers with high-quality, high-precision silicone rubber keys buttons. In addition, our customization services are worth noting. By communicating and working with our team, you can customize the ideal rubber keypads you want, regardless of material, size, hardness or surface treatment.

About Silkeypad

About Silkeypad

More than 20 years of experience in the silicone keypads industry (Silkeypad is a leading and comprehensive supplier specializing in the production of high quality silicone rubber, plastic and metal products, which is a subsidiary of Lingshantech). We have a seamless production chain in silicone keyboards that includes R&D, rapid prototyping, CNC machining, tool design and manufacturing, silicone adhesive primer and adhesive applications, multiple proprietary coatings, full inspection, packaging and delivery, we offer a one-stop solution to meet all your manufacturing needs on your custom silicone keypads.
As an end-to-end silicone rubber keyboard solution provider, we are here to help you every step of the way, from design and engineering to prototyping, production, and even order fulfillment. We use rubber injection molding and silicone compression molding to produce a wide range of high-quality, customizable silicone rubber keypads.
Our unwavering commitment to excellence assures our customers of the highest product quality, exceptional customer service, shortest lead times, and cost-effective silicone rubber keypad pricing strategies.

silkeypad factory location
Our-Team

Our Team

Our team consists of experienced engineers and designers. They have expertise. They all have their strengths in different areas, and if you talk to them about rubber keyboards, you'll find a lot of insights. Our keyboard product research and development results cover many industries such as instrumentation, electronic products, auto parts, and medical equipment. If you have any questions, you can contact us or come to China to visit our silicone factory, we believe that all your questions will be solved.

Contact Us

DFM Review & Design Adjustments

At our company, we prioritize Design for Manufacturability (DFM) to optimize the production of silicone keypads and minimize waste. Before offering a quote for custom silicone rubber keypad production, our engineering team carefully reviews the finalized 3D design. Accepted file formats include STEP/STP, IGES/IGS, PRT, X_T, and SLDPRT.
For customers who already have a 3D design for their silicone keyboards, DFM becomes a crucial aspect of refining the design for optimal manufacturing. Our experienced engineering team conducts a comprehensive analysis of the product, identifying areas where design modifications can enhance functionality, optimize the molding process, and ensure the delivery of high-quality keypads.
With our expertise in DFM, we guarantee that your custom liquid silicone keypads are designed for efficient manufacturing, minimizing costs and maximizing overall production efficiency. By integrating DFM principles into the design process, we aim to provide you with silicone keypads that meet your specifications while ensuring seamless production.

Silicone Keypad DFM

Quality-Highest Standards Only

Our rubber keypad suppliers hold a wide range of comprehensive certifications, including RoHS, Reach, MSDS, FDA, LFGB, UL, EN549, BPA free, EN71, and more. By adhering to this rigorous sourcing approach, we guarantee full compliance with the stringent requirements of your keyboard industry.

Quality Inspection Process

Why Choose Us

Experience & Expertise

Benefit from over two decades of industry experience and expertise. Our refined rubber keypad skills and processes ensure exceptional results.

Efficient Logistics

Optimized supply chain management ensures smooth operations and on-time delivery in silicone keyboard, saving you valuable time and resources in today's fast-paced business environment.

Customer Focus

Our dedicated team puts your unique needs first, providing personalized solutions and exceptional support throughout your silicone rubber keypad project.

Shortened Lead Times

With streamlined processes and efficient production capabilities in silicone keyboard, we prioritize meeting deadlines without sacrificing quality.

Competitive Pricing

Our pricing strategies provide the best value while maintaining excellence in rubber keypad product quality and service

Custom Keyboard Solutions

Custom silicone keyboards bring your unique specifications to life, whether keyboard's intricate designs or complex shapes.

Capacity

Silicone Keyboard Compression Molding
Compression molding for silicone keypads uses preformed silicone material that is subjected to heat and pressure for precise molding. This process provides cost effectiveness, efficiency, and consistent quality in the production of intricate designs. It provides customization, flexibility, and precise control over molding parameters for reliable and durable keypad solutions that meet industry standards.

2-shot overmolding and insert molding
Our capabilities include mold design, silicone and plastic injection molding, two-shot liquid silicone molding, and compression molding. We specialize in precision and on-time delivery of two-shot molded parts and work closely with OEMs to improve the functionality and efficiency of rubber keypads.

High-Volume Production
Skilled molders fine-tune parameters such as shot size, temperature, pressure, injection rate and cycle time to reduce scrap and improve consistency, even for complex keypads, at a competitive cost.

Closed-loop systems
Liquid injection molding uses closed-loop systems with LSR material feed, ensuring that raw materials remain sealed and uncontaminated through to the final product. Minimized contamination risks provide confidence in the quality of silicone rubber keypads.