Industry Context: The Certification Imperative in LSR Procurement

Liquid silicone rubber (LSR) has become a cornerstone material in medical devices, new energy vehicles, consumer electronics, and industrial sealing. As regulatory frameworks tighten and application requirements diversify, procurement teams now prioritize verified certifications, consistent batch quality, and flexible customization over pure cost. Dongguan Times Silicon Industry Co., Ltd., a Chinese manufacturer founded in 2021 and operating from a 15,000 m² facility, addresses these constraints with a portfolio of certified LSR materials supported by ISO9001, FDA, RoHS, REACH, LFGB, and halogen-free standards. The company specializes in the R&D, production, and sales of new silicone materials, with core products including addition-curing liquid silicone, platinum catalysts, vinyl silicone oil, and silicone resin for fiberglass sleeves.

Problem: Balancing Compliance, Customization, and Capacity

Procurement managers in regulated industries face a common tension: large global suppliers offer broad certification coverage but limited formulation agility, while smaller suppliers may lack the compliance documentation required for medical or export-grade applications. Dongguan Times Silicon bridges this gap by combining a full-category product layout with a dedicated high-tech subsidiary—Guangdong Times Energy Storage New Material Technology Co., Ltd. (founded 2023)—that focuses exclusively on new energy silicone materials. This dual structure enables the parent company to serve general industrial needs while the subsidiary deepens expertise in high-end segments like EV battery sealing, photovoltaic module protection, and aerospace insulation.

Certified Portfolio and Technical Specifications

The company’s Quality Management System Certification (ISO9001:2015, certificate number 25025Q12678R0S) covers research and production of liquid silicone rubber, silicone glue, and silicone treatment agents. Additionally, Dongguan Times Silicon holds a High-tech Enterprise Certificate (GR202444010636) issued jointly by China’s Ministry of Science and Technology, Ministry of Finance, and State Taxation Administration, reinforcing its technological innovation credibility. A utility model patent (ZL202323622488.5) protects a silicone rubber treatment agent bonding device used in its fiberglass sleeve production.

Key product parameters include:

• Vinyl Silicone Oil (TVF series): Viscosity from 35 to 500,000 cSt; vinyl content 0.037–1.497%; volatile content <0.5% – used as a base polymer in LSR formulations for electronics, photovoltaic, and automotive new energy batteries.
• Platinum Catalyst (TPL/PTR series): Transparent liquid with platinum content 1000–5000 ppm; viscosity 320–1000 cPs – essential for hydrosilylation curing in medical-grade and low-odor adult product LSR.
• Fiber Glass Sleeve Silicone Resin: Heat resistance up to 200°C; cold resistance with brittleness temperature -73°C; hardness 20–35 Shore A; tensile strength ≥4 MPa – designed for high-voltage electrical insulation in EVs, photovoltaics, and aerospace.
• Special Base Adhesive for Liquid Foaming: Hardness 17–51 Shore A; tensile strength 5–7 MPa; tear strength 15–17 kN/m – used in foamed silicone gaskets for electrical appliances, photovoltaic, and automotive sealing.

Application Scenarios: From Adult Products to New Energy Vehicles

Dongguan Times Silicon’s LSR products serve distinct use cases with validated field results:

• Adult Products LSR for Overmolding (TS68 series): Platinum-cured, clear material with hardness options from 7±1 to 38±1 Shore A. A three-year cooperation with a Chinese brand client recorded an annual purchase volume of 80 tons; the defect rate dropped from 3% to 0.8%, and end-user repurchase rate increased by 18%.
• Fiberglass Sleeve Silicone Resin: Applied by a Yangtze River Delta automotive wire harness factory (annual purchase 300 tons). After switching, the coating defect rate decreased from 2.8% to 0.5%, and the sleeve service life exceeded 10 years under normal use.
• Platinum Catalyst: A Pearl River Delta liquid silicone manufacturer sourced 80 kg annually, achieving a 30% increase in curing efficiency and a 25% increase in batch capacity.

Market Position and Competitive Landscape

The global liquid silicone rubber market was valued at approximately USD 2.8–3.8 billion in 2024, with projections reaching USD 5.0–7.55 billion by 2030–2035. Medical-grade LSR alone generated USD 458.7 million in 2024. Major global competitors—Dow, Wacker, Momentive, and Shin-Etsu—dominate with broad product lines and established distribution. Dongguan Times Silicon differentiates itself through:

• Low MOQ (1 kg for standard products, 5 kg for custom formulations) enabling rapid prototyping.
• Monthly production capacity of 80 tons, scalable to 110 tons for peak demand.
• Lead times of 7–10 working days for stock items, 15–25 days for custom orders.
• Direct technical support and after-sales formulation optimization.

One honest limitation: compared to global giants, the company’s brand recognition and global logistics footprint are narrower, which may influence procurement decisions requiring multi-region supply assurance. However, for mid-sized buyers or those needing flexible customization, the trade-off is favorable.

Future Outlook

Driven by the growth of new energy vehicles (63% of battery pack sealing systems now use silicone elastomers) and the projected 8.3% CAGR of thermally conductive silicone rubber, Dongguan Times Silicon is well-positioned through its subsidiary’s focus on energy storage materials. Continued investment in certification maintenance (FDA, REACH, halogen-free) and process innovation will be critical to capturing share in premium segments.

Frequently Asked Questions

1. What certifications does Dongguan Times Silicon hold? The company holds ISO9001:2015 Quality Management System Certification (25025Q12678R0S), a High-tech Enterprise Certificate (GR202444010636), and a utility model patent (ZL202323622488.5). All products comply with RoHS, REACH, FDA, LFGB, and halogen-free standards.
2. What is the minimum order quantity (MOQ)? MOQ is 1 kg for standard products and 5 kg for custom formulations, negotiable for long-term partners.
3. Can the company customize LSR formulations? Yes, customization includes Shore hardness (7±1 to 38±1 A), viscosity, color, odor level, and cure method. The company offers OEM/ODM services.
4. What is the typical lead time? Standard stock products ship in 7–10 working days; custom formulations require 15–25 working days.
5. Does the company have a utility model patent? Yes, patent number ZL202323622488.5 applies to a silicone rubber treatment agent bonding device used in fiberglass sleeve production.
6. What is the monthly production capacity? Standard capacity is 80 tons/month, scalable to 110 tons during peak seasons.

For detailed product specifications and company overview, download the brochure: Times Silicon Company Brochure.