HONG YE SILICONE Silicone for Stone Cement Molding is a heavy-duty industrial RTV 2 Silicone Rubber, designed for stone, cement, concrete and plaster molding. Available as Condensation Curing Silicone Mold Rubber and Addition Curing Silicone, this professional Mold Making Silicone and liquid silicone features excellent alkali resistance, high tensile strength, low shrinkage (≤0.2%) and easy demolding. With great weatherability and wide temperature resistance, it perfectly replicates stone textures and carvings, ideal for architectural stone parts, garden sculptures and cement crafts. It helps global B2B buyers extend mold life, improve casting precision and lower production costs for stone & cement processing.
Product Overview
This Industrial mold silicone rubber is specially formulated for stone and cement molding, resisting the alkaline corrosion of cement and concrete stably. It is a two-component flowable liquid (Part A: silicone base, Part B: curing agent), cured at room temperature without extra equipment. Its moderate hardness and outstanding fluidity capture delicate stone carvings and texture details completely. Suitable for both pouring and brushing molding, it adapts to small stone crafts and large architectural cement components, serving stone factories, garden sculpture makers and construction decoration enterprises.
Technical Specifications
Product type: RTV 2 Silicone Rubber, mold making silicone, Liquid Mold Silicone, industrial Mold Silicone rubber; Curing systems: Condensation curing (tin-cure), addition curing (platinum-cured); Mixing ratio: 100:3 & 1:1/10:1; Hardness: 20-40 Shore A; Shrinkage: ≤0.2%; Temperature resistance: -65℃ to 350℃; Curing condition: 25℃ room temperature, 4-8hrs full cure; Shelf life: 12 months (sealed, dry & cool ≤25℃); Packaging: 1kg/jar, 5kg/20kg/25kg/200kg drum, vacuum package available.
Product Images and Videos
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Product Features & Advantages
Strong alkali resistance protects molds from cement corrosion, greatly extending service life. High tensile & tear strength withstands heavy stone/cement materials without tearing. Low viscosity ensures full filling of carving gaps for high-detail reproduction. Non-stick surface enables easy demolding without damaging castings. Low shrinkage keeps size consistent for precise stone replication. Weather-resistant for outdoor stone mold production. Dual curing systems meet cost and high-performance demands.
How to Use the Product
Step 1: Prepare stone/cement prototype and mold frame, seal gaps to avoid leakage.
Step 2: Weigh silicone and curing agent at recommended ratio, stir evenly for 3-5 minutes.
Step 3: Vacuum defoam for 2-3 minutes to remove bubbles for smooth molds.
Step 4: Pour or brush silicone onto the prototype, cover all texture areas fully.
Step 5: Cure at 25℃ for 4-8 hours, demold gently then use for stone/cement casting.
Application Scenarios
Widely used for molds of natural stone carving replication, architectural cement components, garden stone sculptures, concrete crafts and plaster decorations. Ideal for stone processing factories, cement product manufacturers, landscape engineering and sculpture studios. It improves detail restoration rate, reduces mold replacement frequency and cuts production costs for stone & cement molding projects.
Certifications and Compliance
Complies with ISO 9001 quality system and CE industrial standards. Formulas meet international chemical transportation regulations, supporting safe cross-border bulk procurement.
Customization Options
Support hardness (20-40 Shore A), viscosity and curing speed customization. Provide formula adjustment for large stone molds and high-alkali cement materials. Customize packaging from small samples to industrial drums.
Production Process
Adopts high-purity Silicone raw materials, precise proportioning, closed vacuum mixing, multi-item quality testing (tensile, alkali resistance, shrinkage) and sealed packaging. Strict inspection ensures stable performance for stone cement molding.
FAQ
Q1: Is this silicone resistant to cement alkali?
A1: Yes, special anti-alkali formula avoids corrosion from cement and concrete.
Q2: Can it copy fine stone carving details?
A2: Yes, high fluidity fills tiny gaps to restore all delicate textures.
Q3: How many times can the mold be reused?
A3: 100-200 times based on material and maintenance.
Q4: Suitable for large outdoor stone molds?
A4: Yes, weather-resistant and durable for long-term outdoor use.
Q5: Need release agent for stone prototypes?
A5: Not required; non-stick surface ensures smooth demolding.
Shenzhen Hong Ye Jie Technology Co., Ltd
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