Product Summary
HongYe silicone rubber.Low shrinkage high precision foaming silicone rubber is a dimensional stable addition curing liquid silicone foam for precision molding. It features ultra-low linear shrinkage, uniform foaming and zero post-curing deformation. With stable resilience and easy processing, it matches prototype silicone and industrial mold silicone rubber, perfect for high-precision sealing and customized foam parts.
Product Overview
This precision foaming silicone rubber is an upgraded two-component RTV2 silicone foam optimized for high-tolerance product manufacturing. Solving the industry pain point of ordinary foam’s large shrinkage and easy warping, it achieves ultra-low shrinkage rate and high structural stability. The flowable A/B liquid material is free from product thickness limitation, with simple 1:1 mixing operation. It maintains stable size and elasticity in temperature alternating environments, with excellent chemical inertness, suitable for precision industrial accessories and customized prototype product production.
Core Product Features
1. Ultra-low linear shrinkage, no warping or size deviation after curing.
2. High dimensional consistency, ensuring zero batch difference for mass production.
3. Uniform fine closed-cell structure, stable stress and no local deformation.
4. Excellent rebound performance, no atrophy after long-term use.
5. Wide temperature resistance and strong environmental adaptability.
Technical Specifications
Curing Type: Platinum cured RTV2 silicone foam
Mixing Ratio: 1:1
Shrinkage Rate: Ultra-low precision shrinkage
Foaming Range: 2–7 times adjustable
Working Temperature: -65℃~200℃
Step-by-Step Usage
1. Fully stir single A and B components to ensure raw material uniformity.
2. Mix strictly at 1:1 ratio and stir sufficiently for even reaction.
3. Conduct thorough vacuum defoaming to eliminate tiny bubble defects.
4. Adopt standard heating curing process to complete precision molding.
Application Scenarios
Applied for precision instrument sealing gaskets, customized prototype silicone foam parts, mechanical precision buffer fillers, electronic equipment gap sealing foam, and high-precision industrial mold matching accessories.
Buyer Value
Effectively reduces product size deviation and post-processing correction costs, improves finished product assembly accuracy and yield, and enhances core competitiveness of precision customized products.
Certification & Customization
ISO9001, CE, RoHS, SGS certified. Support customized precision shrinkage standards and hardness for high-precision manufacturing.
FAQ
Q1: Will the product shrink after long-term high and low temperature cycles?
A: No, permanent dimensional stability without deformation.
Q2: Is it suitable for complex special-shaped mold molding?
A: Yes, good fluidity and high molding reproduction accuracy.
Q3: Can you provide pre-production sample confirmation?
A: Yes, custom samples are available before bulk order.
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