Product Summary
HONG YE SILICONE’s Liquid Foamed Silicone is a low shrinkage and dimensional stability 2-component Addition Curing Silicone, featuring excellent low shrinkage (shrinkage rate ≤0.3%), high dimensional stability, no deformation, precise size, suitable for high-precision and dimensional-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 Electronic Potting Compound, serving B2B buyers in high-precision electronic and mold 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, dimensional-required and no-deformation 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 high-precision Silicone raw materials, featuring ultra-low shrinkage rate, high dimensional stability, fine uniform closed-cell structure, good elasticity and dimensional stability. It has a shrinkage rate of ≤0.3%, no deformation after curing, precise size, effectively solving the problem of traditional foaming materials’ high shrinkage and dimensional deformation. Compatible with most of our precision and electronic products, it is ideal for high-precision components, mold inserts and dimensional-stable scenarios.
Technical Specifications
Type: 2-component addition curing silicone
Shrinkage & Dimensional Stability: Shrinkage rate ≤0.3%, high dimensional stability, no deformation, precise size (tolerance ≤±0.01mm)
Foaming Feature: Fine uniform closed-cell pores (20-40μm), low shrinkage, uniform pore distribution, no dimensional deformation
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 stability, shrinkage rate ≤0.3%, no deformation, precise size
Packaging: Part A (20/25/200KG/barrel), Part B (20/25/200KG/barrel)
Product Features & Advantages
1. Excellent Low Shrinkage: Shrinkage rate ≤0.3%, no deformation after curing, solving the problem of traditional foaming materials’ high shrinkage and dimensional inaccuracy in high-precision scenarios.
2. High Dimensional Stability: Precise size (tolerance ≤±0.01mm), no dimensional change under temperature fluctuations, ensuring product accuracy.
3. Low Shrinkage & Elasticity Balance: While maintaining ultra-low shrinkage and dimensional stability, 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 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 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 low shrinkage and uniform foaming).
3. Pour the mixture into high-precision 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 shrinkage rate ≤0.3%, precise size, no deformation, ready for use in high-precision scenarios.
Application Scenarios
Focus on high-precision scenarios: High-precision electronic components (paired with electronic potting compound), mold inserts (paired with high-precision mold silicone), precision robot parts (paired with robot silicone), high-precision packaging (paired with Liquid Tank Silicone), and laboratory precision components (paired with high-precision mold silicone). It helps high-precision buyers ensure product accuracy and dimensional stability.
Certifications and Compliance
Passed SGS eco-toxicity certification, RoHS compliant, SGS shrinkage certification, excellent low shrinkage and dimensional stability, meeting the high-precision procurement requirements of B2B buyers in electronic, mold and laboratory industries, facilitating export to global markets.
Customization Options
Customizable shrinkage rate (≤0.1% for high-demand scenarios), dimensional tolerance (≤±0.005mm for high-demand scenarios), foaming ratio and hardness, adapting to different high-precision requirements, helping buyers optimize product accuracy.
Production Process
Low shrinkage-oriented production process: High-purity high-precision silicone raw materials → formula optimization (add low-shrinkage additives) → precision mixing → shrinkage test → dimensional stability test → standardized curing → precision inspection → packaging. Strict shrinkage and dimensional testing ensures product precise size and no deformation.
FAQ
Q1: What is the shrinkage rate? A: ≤0.3%, low shrinkage, no deformation after curing, precise size.
Q2: What is the dimensional tolerance? A: ≤±0.01mm, high dimensional stability, no dimensional change under temperature fluctuations.
Q3: Is it suitable for high-precision molds? A: Yes, paired with high-precision mold silicone, ideal for mold inserts requiring low shrinkage.
Q4: Will it deform after curing? A: No, low shrinkage rate and high dimensional stability, no deformation even after long-term use.
Shenzhen Hong Ye Jie Technology Co., Ltd
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