Product Summary
HONG YE SILICONE’s Liquid Foamed Silicone is a low-shrinkage and dimensionally-stable 2-component Addition Curing Silicone, featuring excellent dimensional stability (shrinkage rate ≤0.3%), low shrinkage, no deformation, suitable for high-precision and dimension-required scenarios. It has fine uniform closed-cell pores, -65℃-200℃ temperature resistance, 1:1 easy operation, passed SGS shrinkage certification, compatible with high-precision Mold Silicone and Medical Grade Body Silicone, serving B2B buyers in high-precision industries.
Product Overview
HONG YE SILICONE’s Liquid Foamed Silicone (Foaming Silicone Rubber, Silicone Foam) is a low-shrinkage core product, specially developed for high-precision, dimension-required and low-shrinkage 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, featuring ultra-low shrinkage, dimensional stability, fine uniform closed-cell structure, good elasticity and shrinkage stability. It has a shrinkage rate of ≤0.3%, no deformation after curing, high dimensional accuracy, can maintain consistent dimensions in long-term use, effectively solving the problem of traditional foaming silicone’s high shrinkage and dimensional deformation. Compatible with most of our precision and medical products, it is ideal for high-precision components, medical devices and precision mold scenarios.
Technical Specifications
Type: 2-component addition curing silicone
Shrinkage & Dimensional Performance: Low shrinkage (shrinkage rate ≤0.3%), dimensionally stable, no deformation, high dimensional accuracy
Foaming Feature: Fine uniform closed-cell pores (20-60μm), low shrinkage, uniform pore distribution, no dimensional deformation after foaming
Temperature Range: -65℃ to 200℃ (long-term use)
Mixing Ratio: 1:1 (Part A:Part B, by weight)
Cure Method: Room-temperature or heated rapid curing
Certifications: SGS eco-toxicity, RoHS, SGS shrinkage certification
Key Traits: Low shrinkage, dimensionally stable, ≤0.3% shrinkage, no deformation, high precision
Packaging: Part A (20/25/200KG/barrel), Part B (20/25/200KG/barrel)
Product Features & Advantages
1. Excellent Low Shrinkage: Shrinkage rate ≤0.3%, ultra-low shrinkage, no deformation after curing, solving the problem of traditional foaming materials’ high shrinkage and dimensional inaccuracy.
2. High Dimensional Stability: Maintains consistent dimensions in long-term use, no expansion or contraction, high dimensional accuracy, adapting to high-precision scenarios.
3. Low-Shrinkage & Elasticity Balance: While maintaining ultra-low shrinkage and dimensional stability, it retains good elasticity, no brittle fracture, balancing dimensional accuracy and usability.
4. Compatibility with Precision Products: Compatible with HONG YE SILICONE’s high-precision mold silicone and medical grade body silicone, forming a complete high-precision solution, enabling one-stop procurement.
5. Easy Operation: 1:1 simple mixing ratio, good flowability, easy to process into high-precision components, no professional low-shrinkage operation skills required, improving production efficiency.
How to Use
1. Take Part A and Part B according to 1:1 weight ratio, stir separately to eliminate sediment, ensure no impurities (avoid affecting shrinkage and dimensional stability).
2. Mix and stir thoroughly for 1-2 minutes until homogeneous, vacuum degas to remove air bubbles.
3. Pour the mixture into high-precision mold (paired with high-precision mold silicone), foam and cure at room temperature or by heating.
4. After full curing, the product has low shrinkage, no deformation, high dimensional accuracy, ready for use in high-precision and dimension-required scenarios.
Application Scenarios
Focus on high-precision scenarios: High-precision electronic components (paired with Electronic Potting Compound), medical device precision parts (paired with medical grade body silicone), precision mold components (paired with high-precision mold silicone), low-shrinkage robot parts (paired with robot silicone), and precision instrument components (paired with high-precision mold silicone). It helps high-precision buyers ensure product dimensional accuracy and consistency.
Certifications and Compliance
Passed SGS eco-toxicity certification, RoHS compliant, SGS shrinkage certification, excellent low-shrinkage and dimensionally-stable performance, meeting the high-precision procurement requirements of B2B buyers in electronic, medical and precision industries, facilitating export to global markets.
Customization Options
Customizable shrinkage rate (≤0.1% for high-demand scenarios), dimensional accuracy, foaming ratio and hardness, adapting to different high-precision requirements, helping buyers optimize dimensional stability.
Production Process
Low-shrinkage-oriented production process: High-purity low-shrinkage Silicone raw materials → formula optimization (add shrinkage modifiers) → precision mixing → shrinkage test → standardized curing → dimensional accuracy inspection → packaging. Strict shrinkage testing ensures product low shrinkage and no deformation.
FAQ
Q1: What is the shrinkage rate? A: ≤0.3%, low shrinkage, dimensionally stable, no deformation.
Q2: Will it deform after curing? A: No, ultra-low shrinkage, no deformation, high dimensional accuracy, consistent dimensions in long-term use.
Q3: Is it suitable for medical device parts? A: Yes, paired with medical grade body silicone, ideal for medical device precision parts.
Q4: Is it compatible with high-precision molds? A: Yes, paired with high-precision mold silicone, can maintain high dimensional accuracy.
Shenzhen Hong Ye Jie Technology Co., Ltd
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