The manufacturing domain demands unparalleled precision, durability, and repeatability. Within mold-making operations, the selection of tooling materials dictates the viability and production efficiency of the final goods. Liquid Silicone for Molds, specifically room-temperature vulcanizing (RTV-2) and liquid silicone rubber (LSR), represents the peak of custom molding compounds. These elastomers exhibit exceptional chemical stability, thermal resistance, and detail reproduction, making them critical for engineering teams globally.
At YANXA (Yanxatech System Industries Limited), established in 2008, we have evolved from a specialized business unit into a premier international supplier of specialty chemicals and high-purity industrial formulations. Collaborating closely with top research institutions and advanced manufacturers across China, we deliver high-purity liquid rubbers, metal powders, nitrates, and specialty gases designed to meet rigorous engineering specifications.
"Innovation gain in mold fabrication starts with the molecular integrity of the raw prepolymers. Our RTV-2 and liquid rubber portfolios, including advanced grafted polymers like MLPB and EPB, provide the exact molecular crosslinking required for demanding industrial applications."
Platinum-catalyzed silicones exhibit virtually zero linear shrinkage (<0.1%). Ideal for high-precision components, architectural molds, and food-grade/medical processing applications. These systems are highly resistant to chemical attack but can be subject to cure inhibition from compounds containing sulfur, nitrogen, or tin.
Tin-catalyzed silicones are robust, economical, and highly resistant to cure inhibition. Best suited for polyurethane, epoxy, and polyester resin casting. They have a minor shrinkage rate (0.2% - 0.4%) due to the evaporation of alcohol byproducts during the cross-linking process.
From soft and flexible (Shore A 10) for intricate, undercut structures, to hard and rigid (Shore A 40+) for structural support cores and prototype tooling. Viscosity, pot life, and demold times are fully adjustable to match your specific production flow.
Leveraging China's comprehensive industrial clusters for raw organosilicon synthesis, YANXA provides global buyers with stable pricing, high material purity, and robust logistics infrastructure. Our vertical integration permits the formulation of specialty rubbers and related chemical compounds under strict supervision, translating to significant cost efficiencies.
Comprehensive physical and chemical parameters for industrial mold replication
| Silicone Grade | Curing Catalyst Type | Shore Hardness (A) | Viscosity (mPa·s) | Tensile Strength (MPa) | Tear Strength (kN/m) | Elongation (%) |
|---|---|---|---|---|---|---|
| LSR-3010 | Platinum (Addition) | 10 ± 2 | 5,000 ± 1,000 | ≥ 3.5 | ≥ 15 | ≥ 600 |
| LSR-3025 | Platinum (Addition) | 25 ± 2 | 8,000 ± 1,500 | ≥ 6.2 | ≥ 22 | ≥ 450 |
| RTV-2825 | Tin (Condensation) | 25 ± 2 | 15,000 ± 2,000 | ≥ 4.0 | ≥ 20 | ≥ 400 |
| RTV-2840 | Tin (Condensation) | 40 ± 2 | 22,000 ± 3,000 | ≥ 5.5 | ≥ 25 | ≥ 300 |
Adapting advanced material science to evolving industrial workflows
Liquid silicone molds are essential for casting prototype components, sealing gaskets, and encapsulating electronics. High thermal resistance allows these molds to withstand the curing exothermic heat of advanced polyurethanes and epoxy resins.
Platinum-cured liquid silicones comply with FDA CFR 21.177.2600 and European food-grade standards. These inert elastomers are utilized to manufacture baking molds, baby products, medical models, and skin-contact prosthetics.
A growing trend involves casting liquid silicone into 3D-printed plastic mold shells. This hybrid manufacturing approach enables engineering teams to rapidly produce flexible parts with complex geometries in a fraction of traditional lead times.
Industrial manufacturing exposes more regulatory and chemical safety concerns than typical sectors. YANXA enforces strict process control checkpoints from raw materials to final packaging. We provide full chemical documentation to ensure international customs clearance and compliance with localized environmental guidelines.
Leveraging our deep specialty materials expertise to support diverse manufacturing applications
Colorless, highly reactive liquid supplied as formalin (37-50%). Key intermediate in resin synthesis, plastics, and disinfectant compounding.
More Details
White crystalline compound (CAS No. 100-97-0). Crucial curing agent for phenolic resins, rubber vulcanization accelerator, and solid fuel.
More Details
High-purity linear formaldehyde polymer. Features excellent solubility, low formic acid content, and stable pH (5.0-7.0).
More Details
High-grade spherical metallic powder optimized for pyrotechnic compositions, defense applications, and specialty metallurgy.
More Details
Halocarbon gas utilized as a low-temperature refrigerant and in semiconductor microelectronics plasma etching processes.
More Details
High-grade calcium salt designed for pharmaceutical binders, nutritional supplementation, and anticaking food applications.
More Details
Excellent dielectric gas utilized in high-voltage power transmission, circuit breakers, and gas-insulated switchgear.
More DetailsKey business and technical information for global procurement managers
Yanxatech
