Ketoxime-releasing RTV Silicone Rubber FL-1016（Medium Viscosity Series)

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Ketoxime-Releasing RTV Silicone Rubber FL-1016 is a one-component, room-temperature-curing silicone adhesive and potting compound developed for sealing, bonding, coating, insulation, and moisture protection. Designed with a medium-viscosity, semi-flowing formulation, the material can be applied to electronic components, electrical assemblies, circuit boards, optical equipment, sensors, and various metal or non-metal substrates.

FL-1016 cures through a moisture-induced hydrolysis and condensation reaction. After application, it reacts with moisture in the air and gradually cross-links to form an elastic silicone rubber. No separate curing agent is required, making the product convenient for a variety of assembly and protection processes.

Product Characteristics

The cured FL-1016 silicone rubber combines elasticity with environmental resistance, allowing it to accommodate thermal and mechanical changes during service.

Depending on the selected grade, the material can operate within a temperature range from -40°C to 180°C, -40°C to 200°C, or -40°C to 250°C. It is designed to maintain its elastic properties under both high- and low-temperature conditions.

The material also provides resistance to UV exposure and aging. Its cured elastomer can be used where protection against moisture, vibration, electrical leakage, and other environmental factors is required.

Key properties include:

• One-component room-temperature curing

• Ketoxime/deoxime-type moisture curing

• Semi-flowing, medium-viscosity consistency

• Elastic cured structure

• Good resistance to temperature changes

• UV and aging resistance

• Electrical insulation capability

• Moisture and waterproof protection

• Shock-absorbing performance

• Corona resistance

• Leakage resistance

• Resistance to chemical media

• Low swelling characteristics

• Adhesion to many metal and non-metal substrates

FL-1016 Silicone Adhesive and Potting Applications

FL-1016 can be used as a silicone adhesive, protective coating, sealant, or potting compound according to the requirements of the assembly.

For electronic and electrical products, the material can be applied to protect sensitive components from moisture and environmental contamination. It is suitable for waterproofing, moisture-proofing, insulation, and encapsulation of electronic modules and assemblies.

Typical applications include:

• Optoelectronic displays

• Electronic components

• Electrical modules

• Semiconductor devices

• Circuit boards

• LED display modules and pixels

• Electrical and communication equipment

• Electronic sensors

• Optical instruments

• Chemical equipment

• Sight glasses

• Small household appliances

• Underwater instruments

• Various electrical and electronic assemblies

For circuit boards and delicate electronic accessories, FL-1016 can be used as a protective coating or encapsulation material. It can also be applied as a thin insulating layer where space and component flexibility are important.

For LED display manufacturing, the silicone can be used for waterproof encapsulation of display modules and pixels.

The material can also provide elastic bonding between metal and non-metallic materials. This makes it suitable for assemblies where the bonded parts may experience vibration, thermal expansion, or mechanical movement.

FL-1016 Technical Specifications

FL-1016 is available in several formulations to meet different appearance, mechanical, and temperature requirements.

The different grades provide options for transparent and colored applications. FL-1016T is supplied as a transparent fluid, while FL-1016ST is translucent. White, black, gray, and red versions are also available for applications where a specific appearance is required.

The standard hardness range is 25–40, depending on the formulation. Elongation at break is specified at ≥100% for FL-1016T and ≥150% for the other listed grades.

The specified tensile strength is ≥0.6 MPa for FL-1016T and ≥1.0 MPa for FL-1016ST, FL-1016W, FL-1016B, FL-1016G, and FL-1016R.

All listed versions have a tack-free time of 10–60 minutes.

Silicone Material for Waterproofing and Insulation

For electronic and electrical equipment, moisture protection is often required in addition to mechanical bonding. FL-1016 can form an elastic protective layer around components, helping isolate sensitive areas from external moisture.

The silicone can be used for:

• Waterproof coating of electrical equipment

• Moisture protection of circuit boards

• Insulation of electronic components

• Waterproof encapsulation

• Protective coating for communication equipment

• Sealing of electronic modules

• Insulating protection for delicate accessories

Its elastic nature also allows the cured material to accommodate certain levels of movement without becoming excessively rigid.

Bonding for Metal and Non-Metal Materials

In addition to potting and coating, FL-1016 can be used for elastic bonding. The material offers adhesion to many metal and non-metallic substrates, making it suitable for different material combinations in industrial assemblies.

Potential bonding applications include electronic housings, sensors, electrical components, optical equipment, and underwater instruments where both sealing and flexible bonding may be required.

The cured silicone can also provide a degree of shock absorption, making it suitable for assemblies exposed to vibration or mechanical impact.

Temperature Options for Different Requirements

Temperature conditions should be considered when selecting an FL-1016 grade.

FL-1016T, FL-1016ST, FL-1016W, and FL-1016B have a specified temperature range of -40°C to 200°C.

FL-1016G is specified for -40°C to 180°C, while FL-1016R provides the widest listed temperature range, from -40°C to 250°C.

This range of formulations allows manufacturers to select a suitable grade according to the operating environment and product design requirements.

Available Colors and Custom Specifications

The FL-1016 series is available in multiple standard colors and appearances, including:

• Transparent

• Translucent

• White

• Black

• Gray

• Red

Custom colors and specifications are available. Manufacturers and distributors can discuss specific requirements according to their application, production process, and product design.

For bulk orders, OEM projects, or customized production requirements, the required formulation and specifications can be evaluated according to the intended use.

Why Choose FL-1016 for Component Protection?

FL-1016 combines several functions in one silicone material. Depending on the production process, it can be used for bonding, sealing, coating, potting, insulation, waterproofing, and moisture protection.

Its one-component formulation simplifies material handling, while room-temperature moisture curing allows it to be incorporated into various assembly processes.

With multiple grades covering different colors, hardness levels, mechanical properties, and operating temperature ranges, the FL-1016 series provides manufacturers with several options for electronic, electrical, optical, communication, and industrial applications.