Product Summary
HONG YE SILICONE’s Liquid Foamed Silicone is a low-shrinkage 2-component Addition Curing Silicone, featuring excellent precision molding performance (curing shrinkage rate ≤0.1%), high dimensional accuracy, no deformation, suitable for precision components, high-precision molds and precision molding scenarios. It has fine uniform closed-cell pores, -65℃-200℃ temperature resistance, 1:1 easy operation, passed SGS shrinkage test, compatible with high-precision Mold Silicone and Electronic Potting Compound, serving B2B buyers in precision manufacturing, electronic and mold industries.
Product Overview
HONG YE SILICONE’s Liquid Foamed Silicone (Foaming Silicone Rubber, Silicone Foam ) is a low-shrinkage precision molding core product, specially developed for precision components, high-precision molds and precision molding scenarios. As a 2-component addition curing silicone, it is formed by chemical foaming of flowable Part A and Part B, formulated with low-shrinkage modifiers and precision stabilizers, featuring ultra-low curing shrinkage, high dimensional accuracy, fine uniform closed-cell structure, good elasticity and shrinkage stability. It has a curing shrinkage rate of ≤0.1%, high dimensional accuracy (tolerance ±0.01mm), no deformation, effectively ensuring the precision of molded products, solving the problem of traditional foaming materials’ high shrinkage in precision molding scenarios. Compatible with most of our precision products, it is ideal for precision components, high-precision buffers and precision molding scenarios.
Technical Specifications
Type: 2-component addition curing silicone
Low Shrinkage & Precision Molding: Curing shrinkage rate ≤0.1% (ASTM D2240), dimensional accuracy ±0.01mm, no deformation, shrinkage stability ≥95%, no dimensional deviation after curing
Foaming Feature: Fine uniform closed-cell pores (20-40μm), precision structure, dense pore distribution, uniform foaming, no pore collapse, structural integrity in precision molding
Temperature Range: -65℃ to 200℃ (long-term use)
Mixing Ratio: 1:1 (Part A:Part B, by weight)
Cure Method: Room-temperature or heated (80℃, 1h) vulcanization
Certifications: SGS eco-toxicity, RoHS, SGS shrinkage test certification
Key Traits: Low shrinkage (≤0.1%), precision molding, high dimensional accuracy, no deformation
Packaging: Part A (20/25/200KG/barrel), Part B (20/25/200KG/barrel) (dust-free packaging)
Product Features & Advantages
1. Excellent Low Shrinkage: Curing shrinkage rate ≤0.1%, solving the problem of traditional foaming materials’ high shrinkage in precision molding scenarios.
2. High Dimensional Accuracy: Dimensional tolerance ±0.01mm, no deformation, effectively ensuring the precision of molded components, meeting high-precision manufacturing requirements.
3. Low Shrinkage & Elasticity Balance: While maintaining ultra-low shrinkage and high precision, it retains good elasticity and structural stability, no brittle fracture, balancing precision and usability.
4. Compatibility with Precision Products: Compatible with HONG YE SILICONE’s high-precision mold silicone and electronic Potting Compound, forming a complete precision solution, enabling one-stop procurement. 5. Easy Operation: 1:1 simple mixing ratio, good flowability, easy to process into precision components, no professional precision molding operation skills required, improving production efficiency.
How to Use
1. Take Part A and Part B according to 1:1 weight ratio, stir separately in a dust-free environment to eliminate sediment, ensure no impurities (avoid affecting shrinkage and precision).
2. Mix and stir thoroughly for 3 minutes until homogeneous, vacuum degas to remove air bubbles (ensure uniform shrinkage and closed-cell structure, no dimensional deviation).
3. Pour the mixture into precision component mold (paired with high-precision mold silicone), foam and cure at room temperature or by heating (heating helps enhance shrinkage stability).
4. After full curing, test dimensional accuracy (±0.01mm) and shrinkage rate (≤0.1%) to confirm qualification, then use in precision molding scenarios.
Application Scenarios
Focus on precision scenarios: Precision electronic components (paired with high-precision mold silicone), high-precision mold buffers (paired with electronic potting compound), precision packaging (paired with Liquid Tank Silicone), precision machinery parts (paired with robot silicone), and precision robot parts (paired with robot silicone). It helps precision manufacturing buyers ensure component precision and reduce dimensional deviation.
Certifications and Compliance
Passed SGS eco-toxicity certification, RoHS compliant, SGS shrinkage test certification, excellent low shrinkage and high precision, meeting the precision procurement requirements of B2B buyers in precision manufacturing, electronic and mold industries, facilitating export to global markets.
Customization Options
Customizable shrinkage rate (≤0.05% for high-demand scenarios), dimensional accuracy (±0.005mm for high-demand scenarios), foaming ratio and hardness, adapting to different precision molding requirements, helping buyers optimize component precision.
Production Process
Precision-oriented production process: High-purity low-shrinkage Silicone raw materials → formula optimization (add low-shrinkage modifiers and precision stabilizers) → precision mixing (dust-free environment) → shrinkage test → dimensional accuracy test → standardized curing → shrinkage stability inspection → dust-free packaging. Strict precision testing ensures product ultra-low shrinkage and high dimensional accuracy.
FAQ
Q1: What is the curing shrinkage rate? A: ≤0.1% (ASTM D2240), low shrinkage, suitable for precision molding scenarios.
Q2: What is the dimensional accuracy? A: ±0.01mm, no deformation, effectively ensuring the precision of molded components.
Q3: Is it suitable for high-precision molds? A: Yes, paired with high-precision mold silicone, ideal for high-precision mold buffers and precision electronic components.
Q4: Will curing affect its precision? A: No, shrinkage stability ≥95%, dimensional accuracy remains unchanged after curing, ensuring long-term precision performance.
Shenzhen Hong Ye Jie Technology Co., Ltd
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