Hongye Silicone HY-902 is a high wear long life Pad Printing Silicone developed by Shenzhen Hongyejie Technology Co., Ltd. for high frequency high volume automated pad printing production lines. Made from high strength silicone rubber raw materials with optimized special wear resistant formula, this product delivers outstanding tensile strength, tear strength and wear resistance. Pad heads made from HY-902 can withstand long time high frequency printing with service life significantly better than standard models. With hardness 28 Shore A, HY-902 is a higher hardness grade with good support and stable printing pressure, suitable for high speed printing requirements of automated production lines. The 100:2 mixing ratio ensures easy operation, and room temperature curing in 2-4 hours provides high production efficiency. With viscosity 15000mPa.s and fine silicone texture, pad heads made from it have smooth surfaces with uniform ink transfer.
This product is widely used for multi color printing on cosmetic packaging, high speed logo printing on electronic product housings, high volume printing on daily necessity packaging, identification printing on automotive parts and other applications, trusted by mass production customers worldwide. Hongye Silicone has 25 years of experience in liquid silicone R&D and production. With a 16,500 square meter production base in Shenzhen, monthly capacity of 500 tons, products exported to 138 countries, ISO 9001 certified, every batch undergoes strict inspection before shipment with COA reports provided, ensuring stable and reliable quality. Core Features
• High wear long life, pad head service life more than double standard models
• Hardness 28 Shore A, good support, stable printing pressure
• Tensile strength ≥4.0MPa, tear strength ≥18kN/m, industry leading
• Elongation ≥320%, flexible pad heads resistant to cracking
• Designed for automated high speed production lines, fast printing without sticking
• 100:2 mixing ratio, easy operation, room temperature cure in 2-4 hours
• Viscosity 15000mPa.s, fine texture, smooth pad head surface
• Uniform ink transfer, clean pickup and release, clear patterns
• Available in red, yellow, white, green, custom colors supported
• Low comprehensive cost, reduces pad head changes, improves efficiency
Technical Parameters Table
表格
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-902 Red/Yellow/White/Green 28±2 15000±2000 30-40 2-4 ≥4.0 ≥18 ≥320 100:2 1.15±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-912 Red/Yellow/White/Green 25±2 13000±2000 30-45 2-4 ≥3.5 ≥15 ≥350 100:2 1.13±0.03
HY-916 Red/Yellow/White/Green 16±2 10000±2000 30-40 2-4 ≥2.5 ≥10 ≥400 100:2 1.10±0.03
Detailed Application Scenarios
Cosmetic Industry Application
HY-902 high wear long life pad printing silicone is widely used in the cosmetic industry, mainly for logo and pattern printing on perfume bottles, foundation bottles, lipstick tubes, mascara tubes, powder compacts, eyeshadow palettes, makeup brush handles and other cosmetic packaging. Cosmetic packaging usually has large printing batches with fast speeds, requiring high wear resistance and long service life from pad heads, as frequent pad head changes seriously affect production efficiency.
Pad heads made from HY-902 offer high wear and long life, with service life more than double standard models, withstanding high speed high frequency printing on cosmetic production lines, significantly reducing pad head changes, improving production efficiency and lowering comprehensive usage costs. Meanwhile, this model with hardness 28 Shore A has good support and stable printing pressure, maintaining consistent printing results during high speed printing, ensuring clear and uniform logos on every cosmetic package. Cosmetic packaging usually has high appearance requirements, and HY-902 pad heads with smooth fine surfaces and uniform ink transfer produce full color patterns with clear edges, meeting the high appearance quality requirements of the cosmetic industry.
Electronic Industry Application
In the electronic industry, HY-902 is used for high speed logo and identification printing on phone cases, chargers, earphone shells, remote controls, keyboard keys, mouse housings, routers, set top boxes and other electronic products. Electronic product production lines usually have high automation, fast printing speeds and large batches, requiring high stability and durability from pad heads.
The high wear performance of HY-902 ensures pad heads maintain stable shape and elasticity during long time high speed printing, without rapid deformation or wear from frequent pressing, guaranteeing consistent printing quality. This model with tensile strength ≥4.0MPa and tear strength ≥18kN/m has excellent physical properties, making pad heads resistant to cracking or damage with long service life. For flat or slightly curved logo printing on electronic product housings, pad heads made from HY-902 provide clear and stable high speed printing results, making it the ideal choice for mass production customers in the electronic industry.
Application and Operation Instructions
Step 1: Preparation
Prepare HY-902 Part A (silicone) and Part B (curing agent), digital scale, stirring rod, vacuum degassing machine, pad head mold, mold release agent, 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.
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 for precise weighing with error within ±0.1g. Inaccurate ratio will affect curing results and pad head performance.
Step 3: Stirring
Stir Part A and Part B thoroughly for 3-5 minutes. Scrape the bottom and side walls of the container to ensure uniform mixing without streaks. Stir gently to avoid introducing too many bubbles. The mixed silicone should have uniform color without obvious color difference.
Step 4: Vacuum Degassing
Place the mixed silicone in a vacuum degassing machine 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, affecting printing results and service life.
Step 5: Mold Pouring
Slowly pour the degassed silicone into the prepared pad head mold. Pour from one side of the mold and let the silicone flow naturally to avoid creating new bubbles. Fill slightly above the mold level as silicone will shrink slightly during curing.
Step 6: Curing and Demolding
Cure at room temperature (25°C) for 2-4 hours. Once fully cured, demold carefully. 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 achieve optimal performance.
Selection Guide
HY-901 (Economy Grade, 23A)
Medium hardness with high cost performance, suitable for small and medium batch production with moderate printing frequency. Ideal choice for entry level 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, 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 surfaces.
Recommended Application
Most recommended for high volume high speed printing on cosmetic packaging and automated production line logo printing on electronic product housings.
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, packaging can be customized according to customer requirements.
Competitive Advantages
Hongye Silicone owns its production base with a 16,500 square meter factory in Shenzhen, monthly capacity 500 tons, stable supply. Product prices are 30%-50% lower than comparable imported products with outstanding cost performance. Regular models are in stock with shipment within 1-3 days after order. Professional technical team provides full process technical support with custom formula service available. OEM private label service supported with small batch customization available.
Ordering and Logistics
Multiple payment methods supported: T/T bank transfer, Alipay, WeChat, PayPal (for export orders). 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. Domestic shipments by express or logistics, export orders by sea, air or international express. Products are not dangerous goods, safe and convenient for 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. 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. 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 to prevent curing agent from contacting moisture in air. Part B (curing agent) is moisture sensitive and must be stored sealed. Refrigerated storage can extend shelf life, but allow to return to room temperature before use.
FAQ
Q1: What is the approximate service life of HY-902 high wear pad heads?
A1: Under normal usage conditions, pad heads made from HY-902 have a service life of approximately 30,000 to 80,000 prints, more than double standard models, depending on printing substrate, ink type, printing speed and maintenance. The high wear formula ensures pad heads maintain stable performance during long time high frequency printing, significantly reducing pad head changes.
Q2: Is HY-902 suitable for multi color overprinting?
A2: HY-902 with hardness 28 Shore A has good support, mainly suitable for single or dual color high speed high volume printing. For multi color overprinting (3 or more colors), HY-912 multi color universal grade is recommended as it has better resilience and higher overprint accuracy. The advantage of HY-902 lies in high wear and long life, suitable for automated high speed production lines.
Q3: What causes the silicone not to cure after mixing?
A3: Common causes of incomplete curing include: insufficient Part B curing agent or uneven mixing; contact with curing inhibiting substances containing tin, sulfur, amines and similar materials; low ambient temperature below 15°C; expired curing agent. It is recommended to check the ratio and mixing, ensure appropriate operating environment temperature, and use products within shelf life.
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