Product Summary
HONG YE SILICONE’s Liquid Foamed Silicone is a low shrinkage and dimensional stable 2-component Addition Curing Silicone, featuring excellent low shrinkage (shrinkage rate ≤0.3%), dimensional stability (dimensional error ≤±0.1mm), no deformation, suitable for high-precision, dimensional-required and precision manufacturing 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 Electronic Potting Compound, serving B2B buyers in precision manufacturing, aerospace and high-precision electronic industries.
Product Overview
HONG YE SILICONE’s Liquid Foamed Silicone (Foaming Silicone Rubber, Silicone Foam ) is a low shrinkage dimensional stable core product, specially developed for high-precision, dimensional-required and precision manufacturing 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 additives and dimensional stabilizers, featuring ultra-low shrinkage, dimensional stability, fine uniform closed-cell structure, good elasticity and dimensional accuracy. It has a shrinkage rate of ≤0.3% and dimensional error of ≤±0.1mm, no deformation, high dimensional accuracy, effectively ensuring product size consistency, solving the problem of traditional foaming materials’ high shrinkage and dimensional deformation in precision scenarios. Compatible with most of our precision and aerospace products, it is ideal for high-precision components, dimensional-stable buffers and precision manufacturing scenarios.
Technical Specifications
Type: 2-component addition curing silicone
Low Shrinkage & Dimensional Stability: Shrinkage rate ≤0.3%, dimensional stability (dimensional error ≤±0.1mm), no deformation, high dimensional accuracy, size consistency ≥99.7%, no size deviation
Foaming Feature: Fine uniform closed-cell pores (20-40μm), low-shrinkage structure, uniform pore distribution, no shrinkage deformation, precise dimensional control
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 certification
Key Traits: Low shrinkage, dimensional stable, shrinkage rate ≤0.3%, dimensional error ≤±0.1mm
Packaging: Part A (20/25/200KG/barrel), Part B (20/25/200KG/barrel)
Product Features & Advantages
1. Excellent Low Shrinkage: Shrinkage rate ≤0.3%, low shrinkage, solving the problem of traditional foaming materials’ high shrinkage in precision manufacturing scenarios.
2. High Dimensional Stability: Dimensional error ≤±0.1mm, no deformation, high dimensional accuracy, size consistency ≥99.7%, ensuring product size uniformity.
3. Low Shrinkage & Elasticity Balance: While maintaining ultra-low shrinkage and dimensional stability, it retains good elasticity and structural stability, no brittle fracture, balancing dimensional accuracy 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 high-precision components, no professional precision 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 3 minutes until homogeneous, vacuum degas to remove air bubbles (ensure shrinkage uniformity and closed-cell structure).
3. Pour the mixture into high-precision component mold (paired with high-precision mold silicone), foam and cure at room temperature or by heating for better dimensional stability.
4. After full curing, the product has low shrinkage and high dimensional accuracy, ready for use in high-precision and dimensional-required scenarios.
Application Scenarios
Focus on precision scenarios: Precision manufacturing components (paired with high-precision mold silicone), aerospace high-precision parts (paired with high-precision mold silicone), high-precision electronic components (paired with electronic potting compound), dimensional-stable robot parts (paired with robot silicone), and precision packaging (paired with Liquid Tank Silicone). It helps precision buyers ensure product dimensional accuracy and size consistency.
Certifications and Compliance
Passed SGS eco-toxicity certification, RoHS compliant, SGS shrinkage certification, excellent low shrinkage and dimensional stability, meeting the precision procurement requirements of B2B buyers in precision manufacturing, aerospace and high-precision electronic industries, facilitating export to global markets.
Customization Options
Customizable shrinkage rate (≤0.1% for high-demand scenarios), dimensional error (≤±0.05mm for high-demand scenarios), foaming ratio and hardness, adapting to different high-precision and dimensional-required requirements, helping buyers optimize dimensional accuracy.
Production Process
Low-shrinkage-oriented production process: High-purity low-shrinkage Silicone raw materials → formula optimization (add low-shrinkage additives and dimensional stabilizers) → precision mixing → shrinkage test → dimensional stability test → standardized curing → dimensional accuracy inspection → packaging. Strict shrinkage and dimensional testing ensures product high dimensional accuracy and size consistency.
FAQ
Q1: What is the shrinkage rate? A: ≤0.3%, low shrinkage, ensuring product size consistency and dimensional accuracy.
Q2: Will it have dimensional deformation? A: No, dimensional error ≤±0.1mm, no deformation, high dimensional stability, size consistency ≥99.7%.
Q3: Is it suitable for precision manufacturing? A: Yes, paired with high-precision mold silicone, ideal for precision manufacturing components and high-precision parts.
Q4: Will high temperature affect its dimensional stability? A: No, stable performance in -65℃-200℃, no dimensional deviation, maintaining dimensional accuracy in high-temperature environments.