Product Summary
HONG YE SILICONE’s Liquid Foamed Silicone is a low-shrinkage 2-component Addition Curing Silicone, featuring minimal shrinkage rate (shrinkage ≤0.1%), no deformation, high dimensional accuracy, suitable for high-precision components, precision molds and low-shrinkage 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, high-precision equipment and low-shrinkage industries.
Product Overview
HONG YE SILICONE’s Liquid Foamed Silicone (Foaming Silicone Rubber, Silicone Foam ) is a low-shrinkage high-precision core product, specially developed for high-precision components, precision molds 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 and dimensional stabilizers, featuring ultra-low shrinkage rate, minimal deformation, high dimensional accuracy, fine uniform closed-cell structure, good elasticity and shrinkage stability. It has a shrinkage rate of ≤0.1%, high dimensional accuracy, no deformation after curing, effectively ensuring component precision, solving the problem of traditional foaming materials’ high shrinkage and deformation in high-precision scenarios. Compatible with most of our high-precision products, it is ideal for low-shrinkage components, precision buffers and high-precision scenarios.
Technical Specifications
Type: 2-component addition curing silicone
Low Shrinkage & High Precision: Shrinkage rate ≤0.1% (ASTM D2566), minimal shrinkage, high dimensional accuracy (tolerance ±0.01mm), shrinkage stability ≥95%, no deformation after curing
Foaming Feature: Fine uniform closed-cell pores (20-40μm), low-shrinkage structure, dense pore distribution, uniform shrinkage, no dimensional deviation, structural integrity and precision after curing
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%), high dimensional accuracy, no deformation
Packaging: Part A (20/25/200KG/barrel), Part B (20/25/200KG/barrel)
Product Features & Advantages
1. Ultra-Low Shrinkage: Shrinkage rate ≤0.1%, minimal shrinkage, solving the problem of traditional foaming materials’ high shrinkage and deformation in high-precision scenarios.
2. High Dimensional Accuracy: Tolerance ±0.01mm, no deformation after curing, effectively ensuring component precision and dimensional stability.
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 High-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 high-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 accuracy).
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 high-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 shrinkage rate (≤0.1%) and dimensional accuracy (±0.01mm) to confirm qualification, then use in high-precision and low-shrinkage scenarios.
Application Scenarios
Focus on low-shrinkage scenarios: High-precision component precision buffers (paired with high-precision mold silicone), precision mold parts (paired with electronic potting compound), low-shrinkage packaging (paired with Liquid Tank Silicone), precision machinery components (paired with Industrial mold silicone rubber), and high-precision robot parts (paired with robot silicone). It helps precision manufacturing industry buyers ensure component precision and dimensional stability.
Certifications and Compliance
Passed SGS eco-toxicity certification, RoHS compliant, SGS shrinkage test certification, excellent low shrinkage and high precision, meeting the low-shrinkage procurement requirements of B2B buyers in precision manufacturing, high-precision equipment and low-shrinkage industries, facilitating export to global markets.
Customization Options
Customizable shrinkage rate (≤0.05% for high-demand scenarios), dimensional accuracy (tolerance ±0.005mm for high-demand scenarios), foaming ratio and hardness, adapting to different high-precision and low-shrinkage requirements, helping buyers optimize dimensional stability.
Production Process
Low-shrinkage-oriented production process: High-purity low-shrinkage Silicone raw materials → formula optimization (add low-shrinkage modifiers and dimensional stabilizers) → precision mixing → shrinkage test → dimensional accuracy test → standardized curing → shrinkage stability inspection → packaging. Strict shrinkage and precision testing ensures product ultra-low shrinkage and high dimensional accuracy.
FAQ
Q1: What is the shrinkage rate?
A: ≤0.1%, minimal shrinkage, high dimensional accuracy ±0.01mm, suitable for high-precision scenarios.
Q2: Will it deform after curing?
A: No, shrinkage stability ≥95%, no deformation, high dimensional accuracy, ensuring component precision.
Q3: Is it suitable for precision molds?
A: Yes, paired with electronic potting compound, ideal for precision mold parts and low-shrinkage buffers.
Q4: Will temperature affect its shrinkage?
A: No, shrinkage stability ≥95%, shrinkage rate remains unchanged in -65℃-200℃, ensuring dimensional stability in various temperature scenarios.
Shenzhen Hong Ye Jie Technology Co., Ltd
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