Silicone Rubber Compound | HCR Silicone Manufacturer

About Zhengtai

Dongguan Zhengtai Organic Silicon Technology Co., Ltd. is a leading silicone rubber manufacturer dedicated to supplying high-performance silicone elastomers for diverse industrial applications. With over 15,000 tons of silicone compounds mixed annually, we ensure consistent quality and large-scale production capacity.

Our product portfolio includes solid silicone rubber (HTV), general purpose, fire-resistant, electrically conductive, fluorosilicone rubber, and custom compounds for special applications. Leveraging advanced curing technologies with organic peroxide or platinum catalysts, our materials deliver exceptional temperature resistance, aging stability, and mechanical performance.

15K+

Tons Mixed Annually

30+

Industrial Applications

Our Silicone Products

We manufacture a wide range of high-consistency rubber (HCR), liquid silicone rubber (LSR), fumed, and specialty silicone compounds designed for molding, extrusion, and calendering processes.

General Precipitated Silicone Rubber for Molding

High consistency silicone rubber (HCR), also known as HTV, cured with peroxide or platinum catalyst. Ideal for O-rings, washers, and gaskets. Offers excellent temperature and aging resistance.

High Resilience Precipitated Silicone Rubber

Designed for molded products requiring high resilience. Suitable for protective covers, tableware, and consumer goods. Maintains elasticity under repeated stress.

Non-Post Cure Silicone Rubber

Eliminates post-curing steps. Ideal for ice trays, kitchen utensils, and adult toys. Resists whitening after boiling. Saves time and energy in production.

Fumed Silicone Rubber

Features high transparency and does not turn white when stretched. Meets food-grade and medical-grade standards. Ideal for sensitive applications.

General Silicone Rubber for Extrusion

Fast extrusion speed with excellent non-yellowing performance. Used in cables, silicone tubes, strips, and baby bottle straws. Reliable flow and curing.

Silicone Rubber for Special Purpose

Engineered for extreme conditions including high temperature, conductivity, and flame resistance. Ideal for aerospace, electronics, and industrial sealing.

Fumed Liquid Silicone Rubber (LSR)

High-purity, transparent LSR with excellent flow and curing properties. Used in precision medical devices, baby care products, and optical components.

Precipitated Liquid Silicone Rubber

Cost-effective LSR alternative with good mechanical properties. Suitable for general injection molding applications in automotive and consumer goods.

Key Applications

Our silicone rubber compounds serve critical roles across industries where performance, safety, and reliability are paramount.

Industrial

Seals, gaskets, insulators, and high-temp components for machinery and electrical systems.

Healthcare

Medical tubing, implants, baby bottle nipples, and surgical tools using biocompatible, non-toxic silicones.

Automotive

Engine gaskets, ignition components, HVAC seals, and interior parts with heat and ozone resistance.

Daily Supplies

Kitchenware, bakeware, baby products, and household items made from food-grade, durable silicones.

Frequently Asked Questions

What is the difference between HCR and LSR?

HCR (High Consistency Rubber) is a solid silicone cured at high temperatures, ideal for compression and transfer molding. LSR (Liquid Silicone Rubber) is a two-part liquid system cured rapidly via platinum catalyst, used in injection molding for high-precision parts.

Are your silicones food and medical grade?

Yes, we offer fumed and liquid silicone rubbers that meet FDA, USP Class VI, and ISO 10993 standards for food contact and medical applications.

Do you offer custom formulations?
Absolutely. We specialize in developing custom silicone compounds tailored to specific mechanical, thermal, electrical, or regulatory requirements.

What curing methods do you support?

Our products are compatible with both organic peroxide and platinum-catalyzed curing systems, depending on the grade and application.

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Premium Silicone Rubber Compounds

About Zhengtai

Our Silicone Products

General Precipitated Silicone Rubber for Molding