HY-916 is a super soft pad printing silicone developed and manufactured by Shenzhen Hongyejie Technology Co., Ltd., a professional liquid silicone rubber manufacturer with 25 years of industry experience and strong export capabilities. Our factory covers 16,500 square meters in Shenzhen, China, with monthly production capacity of 500 tons, ensuring stable supply for bulk orders from overseas customers.
As an ISO 9001 certified manufacturer, we implement strict quality control throughout the entire production process, from raw material procurement to finished product inspection. Every batch of HY-916 undergoes comprehensive testing including hardness, viscosity, tensile strength, tear strength, elongation and curing time, with a Certificate of Analysis (COA) provided for each shipment. Our products are RoHS and REACH compliant, passed SGS testing, and meet the safety and environmental requirements of European, American and other international markets.
We offer comprehensive OEM and private label services for our global customers. We can customize product formulas including hardness, viscosity, color, curing time and mixing ratio according to your specific application requirements. We also provide custom packaging with your own brand labels, logos and product manuals. Our minimum order quantity for custom formulas is 50kg, with delivery time of 7-15 days.
HY-916 has a hardness of only 16 Shore A, classified as a super soft grade, with elongation ≥400%, providing excellent conformability to products with large curvatures and obvious concave convex surfaces. The 100:2 mixing ratio ensures easy operation, and room temperature curing in 2-4 hours provides high production efficiency. This product is widely used for logo and pattern printing on electronic housings, cosmetic packaging, toys, crafts and gifts, trusted by customers in 138 countries worldwide.
Core Features
• 25 years professional silicone manufacturer with strong export experience
• ISO 9001 certified, RoHS and REACH compliant, SGS tested
• OEM and private label services available, custom formulas and packaging
• Super soft hardness 16 Shore A, excellent conformability to complex surfaces
• Elongation ≥400%, large deformation, perfect for irregular curved printing
• Tensile strength ≥2.5MPa, tear strength ≥10kN/m, flexible and durable
• 100:2 mixing ratio, easy operation, room temperature cure in 2-4 hours
• Uniform ink transfer, clean pickup and thorough release, clear sharp patterns
• Available in red, yellow, white, green, custom colors supported
• Products exported to 138 countries, stable supply with 500 tons monthly capacity
Technical Parameters Table
Model Color Hardness(Shore A) Viscosity(mPa.s) Operation Time(min) Cure Time(h) Tensile Strength(MPa) Tear Strength(kN/m) Elongation(%) Mix Ratio Density(g/cm3)
HY-916 Red/Yellow/White/Green 16±2 10000±2000 30-40 2-4 ≥2.5 ≥10 ≥400 100:2 1.10±0.03
HY-901 Red/Yellow/White/Green 23±2 12000±2000 30-40 2-4 ≥3.0 ≥12 ≥300 100:2 1.12±0.03
HY-902 Red/Yellow/White/Green 28±2 15000±2000 30-40 2-4 ≥4.0 ≥18 ≥320 100:2 1.15±0.03
HY-912 Red/Yellow/White/Green 25±2 13000±2000 30-45 2-4 ≥3.5 ≥15 ≥350 100:2 1.13±0.03
Detailed Application Scenarios
Electronic Housing Printing Application
HY-916 super soft pad printing silicone is widely used in the electronics industry for logo and pattern printing on mobile phone cases, remote controls, computer mice, keyboards, chargers, power banks, Bluetooth earphone charging cases and other electronic product housings. Electronic product housings usually have irregular shapes with curved surfaces and concave convex button areas, and normal hardness pad heads cannot fully conform, resulting in incomplete logo printing and blurred edges.
Pad heads made from HY-916 are super soft with elongation ≥400%, perfectly conforming to the complex curved surfaces and button areas of electronic housings, ensuring complete and clear logo and pattern printing. Meanwhile, this model provides uniform ink transfer, producing sharp edged and full color identifications, meeting the high appearance quality requirements of the electronics industry. Electronic products usually have large batches and tight delivery schedules, and Hongye Silicone offers stable supply with 500 tons monthly capacity, able to respond quickly to urgent orders from overseas electronic manufacturers.
Cosmetic Packaging Printing Application
In the cosmetics industry, HY-916 is used for brand logo and pattern printing on cosmetic bottles, perfume bottles, lipstick tubes, mascara tubes, powder compacts, eye cream jars and other cosmetic packaging. Cosmetic packaging usually has elegant shapes with many curved surfaces and large curvatures, with extremely high requirements for printing quality and pattern fineness, as printing quality directly affects the premium image of the product.
The super soft characteristics of HY-916 enable it to perfectly conform to the elegant curved surfaces and special shapes of cosmetic packaging, ensuring complete brand logo printing with fine lines and uniform color. This product is RoHS and REACH certified, safe and non toxic, and can be safely used for cosmetic packaging printing, meeting the strict material safety requirements of the cosmetics industry. Meanwhile, HY-916 pad heads are flexible and durable with long service life, withstanding high volume printing and lowering comprehensive usage costs. For circumferential printing on cylindrical products such as lipstick tubes and mascara tubes, HY-916 super soft pad heads provide stable and uniform printing results, making them the ideal choice for premium cosmetic packaging printing.
Application and Operation Instructions
Step 1: Preparation
Prepare HY-916 Part A (silicone) and Part B (curing agent), digital scale, stirring rod, vacuum degassing chamber, pad head mold, mold release agent, nitrile gloves and other tools. Ensure the mold is clean and dry, apply a thin uniform layer of mold release agent inside the mold and let it dry for 10 minutes.
Step 2: Weighing and Mixing
Accurately weigh Part A and Part B by weight ratio 100:2. For example, take 100g Part A and add 2g Part B. Use a digital scale with precision of at least 0.1g, control ratio error within ±0.1g, as inaccurate ratio directly affects curing results and pad head service life.
Step 3: Stirring
Stir Part A and Part B thoroughly for 3-5 minutes. Scrape the bottom and side walls of the container during stirring to ensure silicone at the bottom and walls is also uniformly mixed, avoiding local incomplete curing. Stir gently to avoid introducing excessive bubbles. The mixed silicone should have uniform color without obvious streaks or color difference.
Step 4: Vacuum Degassing
Place the mixed silicone in a vacuum degassing chamber and degas for 5-8 minutes at -0.09MPa negative pressure until no more bubbles rise to the surface. Degassing is a critical step to ensure pad head quality. Insufficient degassing causes internal pores in pad heads, resulting in missing prints and pinholes during printing, seriously affecting printing results and pad head life.
Step 5: Mold Pouring
Slowly pour the degassed silicone along the side wall of the prepared pad head mold. Pour from one side and let the silicone flow naturally to avoid creating new bubbles. Fill slightly above the mold level as silicone will shrink slightly during curing, ensuring full sized pad heads after curing.
Step 6: Curing and Demolding
Cure at room temperature (25°C) for 2-4 hours. Confirm full curing by gently pressing the pad head surface, then demold carefully. Peel slowly from the mold edge, avoid excessive pulling that may cause deformation or tearing. It is recommended to let the demolded pad head rest for 24 hours before use to allow silicone properties to reach optimal state for more stable printing results.
Selection Guide
HY-901 (Economy Grade, 23A)
Medium hardness with competitive price, suitable for small and medium batch production with moderate printing frequency. Ideal choice for budget conscious customers.
HY-902 (High Wear Grade, 28A)
High wear resistance and long service life with excellent tensile and tear strength. Suitable for high frequency mass production automated lines with long pad head life and low comprehensive cost.
HY-912 (Multi Color Universal Grade, 25A)
Good resilience and ink transfer performance with high overprint accuracy. Suitable for multi color overprinting and fine pattern printing. Ideal choice for multi color printing processes.
HY-916 (Super Soft Grade, 16A)
Low hardness with excellent softness and conformability, suitable for products with large curvatures and obvious concave convex surfaces. Perfectly conforms to complex curved surfaces, the first choice for curved surface printing.
Recommended Application
Most recommended for logo printing on electronic product housings and brand pattern printing on cosmetic packaging.
Quality and Compliance
Hongye Silicone is ISO 9001 quality management system certified. Every batch undergoes multiple inspections before shipment including hardness, viscosity, tensile strength, tear strength and curing time, with COA test reports provided. Products comply with RoHS and REACH environmental standards, passed SGS testing, safe for use in various consumer product packaging printing. The brand has 25 years of industry experience with products exported to 138 countries worldwide.
Packaging Specifications
Various packaging specifications available to meet different needs: 1kg trial pack (1kg Part A + 20g Part B), 5kg pack, 20kg pack, 25kg pack, 200kg iron drum for bulk orders. Part A and Part B are separately packed with clear labels indicating model, batch number, production date and shelf life. OEM private label service available, custom packaging labels with your own brand.
Competitive Advantages
Hongye Silicone owns its production base with a 16,500 square meter factory in Shenzhen, monthly capacity 500 tons, stable supply for bulk orders. Factory direct pricing eliminates middlemen, prices 30%-50% lower than comparable imported products with outstanding cost performance. Regular models in stock with shipment within 1-3 days. Professional technical team provides full process technical support with custom formula service. OEM private label service supported with small batch customization available.
Ordering and Logistics
Multiple payment methods supported: T/T bank transfer, PayPal, Western Union, MoneyGram. New customers can apply for free samples (freight collect) and place bulk orders after satisfactory testing. Regular models in stock ship within 1-3 days, custom products deliver in 7-15 days. Export orders by sea, air or international express (DHL, FedEx, UPS). Products are not dangerous goods, safe and convenient for international transportation. COA test reports, product manuals and MSDS documents provided with each shipment.
Technical Support and Custom Service
Hongye Silicone has an experienced technical team with engineers averaging over 10 years of industry experience, providing full lifecycle technical support from model selection and formula debugging to process optimization. Custom silicone formulas can be developed based on specific application requirements, adjusting hardness, viscosity, color, curing time and other parameters. Custom minimum order quantity 50kg with delivery in 7-15 days. Technical team provides remote guidance or on site service to ensure smooth customer usage.
Precautions
It is recommended to wear nitrile gloves during operation to avoid direct skin contact with uncured silicone and curing agent. Avoid contact with substances containing tin, sulfur, amines and similar materials as these may inhibit silicone curing, resulting in uncured or sticky pad heads. Part A and Part B should be stirred separately before use. Weighing must be accurate as excessive ratio deviation affects curing results. Mixing must be uniform otherwise local incomplete curing may occur. Recommended curing temperature between 15-35°C, lower temperatures extend curing time, higher temperatures shorten operation time. Maintain ventilation in the operating area and avoid inhaling volatile gases.
Storage
Store products in a cool and dry place at storage temperature 5-30°C, avoid direct sunlight and high temperature environments. Shelf life 12 months unopened, use as soon as possible after opening. Reseal immediately after each use, especially Part B curing agent is moisture sensitive and contact with moisture in air causes failure affecting curing results. Refrigerated storage can extend shelf life, but allow to return to room temperature before use to avoid condensation water affecting product performance.
FAQ
Q1: What is the difference between HY-916 super soft pad head and normal hardness pad heads?
A1: HY-916 has hardness 16 Shore A, softer than normal 23A, 25A and 28A grades, with elongation ≥400% and larger deformation under pressure, able to better conform to products with large curvatures and obvious concave convex surfaces. For flat or slightly curved surface products, normal hardness pad heads are sufficient, and super soft pad heads may actually cause pattern blurring due to excessive deformation. In simple terms: use normal hardness for flat surfaces, use super soft for curved surfaces.
Q2: Do super soft pad heads wear out faster and have shorter service life?
A2: Super soft pad heads do wear slightly faster than high hardness ones due to lower hardness, but HY-916 has tensile strength ≥2.5MPa and tear strength ≥10kN/m with excellent physical properties. Under normal usage conditions, service life can still reach 50,000 to 80,000 prints. Moreover, super soft pad heads are mainly used for curved surface printing where normal pad heads simply cannot print well, and frequent pad head changes actually cost more. Overall, HY-916 still offers high cost performance.
Q3: What should I do if there are bubbles on the surface after mixing?
A3: Bubbles after mixing are normal and must be removed through vacuum degassing before use. Place the mixed silicone in a vacuum degassing chamber and degas for 5-8 minutes at -0.09MPa until no more bubbles rise to the surface. If a vacuum degassing chamber is not available, you can let the mixed silicone sit for 15-20 minutes to allow some bubbles to naturally rise, but the effect is not as good as vacuum degassing and there may still be tiny pores inside the pad head. It is recommended to equip a vacuum degassing chamber as necessary equipment for ensuring pad head quality.
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