HONGYE SILICONE’s Precision liquid silicone for Molds is a high-precision two-component addition curing liquid silicone, engineered for ultra-fine detail replication in mold manufacturing. As a national high-tech enterprise with standardized production and one-stop solutions, this silicone is FDA-certified, non-toxic, odorless, featuring ultra-low shrinkage, excellent fluidity, and stable performance. It caters to global B2B purchasers’ demand for precision molding, ensuring accurate detail reproduction, easy operation, and flexible customization, helping improve product quality, reduce rework rates, and enhance competitiveness in high-precision mold markets.
Product Overview
Our Precision Liquid Silicone for Molds is a premium RTV 2 Silicone Rubber, composed of high-purity flowable Part A (base rubber) and Part B (curing agent), adopting advanced addition curing technology. As a liquid silicone, it boasts exceptional fluidity to fill ultra-fine mold details, supporting both room-temperature and heat curing with simple operation. It achieves shrink-free deep curing without thickness limits and produces no toxic by-products, solving the pain points of ordinary Mold Making Silicone—high shrinkage, poor detail replication, and unstable precision—making it the preferred choice for global B2B purchasers in precision mold manufacturing, such as delicate crafts and high-precision prototypes.
Technical Specifications
Type: Two-component addition curing precision liquid silicone for molds; Mix Ratio: 1:1 (by weight, suitable for precision mass production); Operating Time (25℃): 30~40 minutes (customizable); Curing Time (25℃): 4~5 hours; 80~120℃ for tens of minutes (accelerated curing); Temperature Resistance: -60℃~250℃; Hardness: 10~40 Shore A (adjustable for precision needs); Tensile Strength: ≥4.2MPa; Shrinkage Rate: ≤0.03% (ultra-low for precision replication); Fluidity: 1800~2800 mPa·s (excellent for fine detail filling); Certification: FDA, RoHS compliant; Shelf Life: 10 months (sealed, indoor storage); Core Keywords: Precision Liquid Silicone for Molds, mold making silicone, liquid silicone, Addition Curing Silicone, Rapid prototyping silicone, RTV 2 Silicone Rubber.
Product Images and Videos
High-quality images showcase our Precision Liquid Silicone for Molds, including its clear liquid texture, excellent fluidity, and finished precision molds (high-precision prototypes, delicate metal crafts, fine resin products, simulated food), with close-ups of ultra-fine detail replication. Demonstration videos display the precision molding process—mixing, vacuum degassing, pouring, curing, and demolding—highlighting its ability to reproduce intricate details and easy operation. Original image addresses are retained for direct website integration, helping purchasers intuitively assess its suitability for precision mold needs.
Product Features & Advantages
2. Advanced Addition Curing: Ensures uniform, shrink-free deep curing without thickness limits, no toxic by-products, and stable batch performance, meeting global precision manufacturing standards.
3. Excellent Fluidity for Fine Details: Superior fluidity enables easy pouring and full filling of tiny mold gaps and intricate patterns, reducing defects and ensuring consistent precision.
4. Safe & Compliant: FDA-certified, non-toxic, odorless, suitable for Food grade mold silicone production and high-precision scenarios requiring safety. 5. Durable & Cost-Effective: High tensile and tear strength, supporting 85~110 mold cycles, extending service life and reducing replacement costs by 38%.
6. Flexible Customization: 1:1 weight ratio for simple operation, dual curing options; viscosity, hardness, and curing time can be tailored to specific precision mold requirements.
How to Use (Step-by-Step for Precision Mold Making)
1. Mix Part A and Part B of Precision Liquid Silicone for Molds in a 1:1 weight ratio, stirring thoroughly for 2~3 minutes in an irregular direction until uniform and bubble-free—critical for maintaining precision.
2. Perform vacuum degassing for 2~5 minutes; adjust time based on liquid viscosity, weight, and vacuum intensity to eliminate bubbles that affect detail replication.
3. Pour the degassed liquid silicone into the precision mold master, leveraging its excellent fluidity to fill all ultra-fine details.
4. Cure at room temperature (25℃) for 4~5 hours, or 80~120℃ for accelerated curing to retain precision performance.
5. Store unused liquid silicone in sealed packaging, indoor storage away from sunlight and rain, and use within 10 months to maintain its precision properties.
Application Scenarios
Our Precision Liquid Silicone for Molds is widely used in global precision mold manufacturing, including high-precision prototype silicone, rapid prototyping, delicate metal crafts, high-grade simulated food, fine resin products, alloy car accessory details, and small precision concrete components. It brings tangible value: improving detail replication accuracy by 55%+, reducing rework rates by 48%, enhancing production efficiency, and supporting customized precision solutions, helping B2B purchasers gain an edge in the global precision mold silicone market.
FAQ
1. What makes this liquid silicone suitable for precision molds? Its ultra-low shrinkage (≤0.03%) and excellent fluidity ensure accurate replication of fine details, distinguishing it from ordinary mold silicone.
2. Is it suitable for food-grade precision molds? Yes, it’s FDA-certified, non-toxic, odorless, complying with international food safety standards for precision food mold production.
3. Can we customize its viscosity for ultra-fine detail filling? Yes, viscosity can be adjusted to match your precision mold’s detail requirements.
4. What is the service life of precision molds made with this silicone? It supports 85~110 mold cycles, meeting long-term precision production needs.
5. How to ensure precision during storage? Store in sealed indoor packaging, away from sunlight and rain, and use within 10 months to maintain fluidity and low shrinkage.
Shenzhen Hong Ye Jie Technology Co., Ltd
Contact Now
