SYLGARD™ 170
Fast cure silicone elastomer | DOW
Sylgard™ 170
Product description:
SYLGARD™ 170 fast cure silicone elastomer is a two-part general purpose encapsulant with low viscosity, good flow ability, and flame resistance that cures fast at room temperature. Supplied as a two-part liquid component kit, the Dow silicone encapsulants have a mix ratio of 1 to 1 that cures to a flexible elastomer. This thermally conductive material can be used in LED lighting, industrial controls, high voltage resistor packs, and more. It is also sufficient in protecting the assembly of electrical/PCB systems. Application methods for this material include automated metered mixings and dispensing, which requires the right equipment to ensure proper ratios and process efficiency.
Video: Battery encapsulation using DOW SYLGARD™ 170
Product characteristics:
Colour :
Viscosity (mixed): 2,361
Operating temperature range: 25°C to 60°C (77°F to 140°F)
Working time at 25ºC (pot life): 3.9 minutes
Cure time at 25ºC: 12 minutes
Dielectric protection (dielectric strength): 14 kV/mm
Tensile strength: 3.7 MPa
Elongation: 125%
Thermal conductivity (W/mk): 2.0
UL recognition: 94 V-0
Typical uncured properties:
Property | Part A | Part B | ||
Colour | Black | Beige | ||
Specific gravity (uncured) | 1.38 | 1.38 | ||
Viscosity at 25ºC | 3,436 cps | 1,287 cps | ||
Mix ratio by volume | 1 | 1 | ||
|
NOTE: The SYLGARD™ 170 can cure at room temperature or heat-accelerated. The curing speed varies with temperature and humidity.
Recommended uses:
- PCB system architectures
- Potting of high-voltage transformers, connectors, and sensors
- Assembly of substrates to heat sinks
For complete product information, please refer to dow.com.
Graco metering, mix and dispense system solutions:
Graco offers multiple solutions to effectively meter, mix, and dispense the two-part SYLGARD™ 170 fast cure silicone elastomer.
Check-Mate supply system:
- Pressure ratio range: from 5:1 to 85:1
- Minimises leftover material and reduces waste.
- Optimal for transferring sealants or adhesives to one or more operator dispensing stations
- Can feed high volume applicators, multiple meters or proportioners
- Tracks material usage and flow
- High flow and pressures increase production
EFR:
- Fit for two-component materials like the SYLGARD™ 170
- Highly accurate, even with low flow rates
- Superior control over material and dispensing of gasket, beads, and potting applications
- Capable of handling a wide range of materials
- Easy to configure, operate and maintain
MD2:
- Ideal for two-component applications
- Accurately dispenses and mixes two-component sealants and adhesives
- Featured applications include bonding, potting, encapsulation, and thermal management
- Maximum viscosity of 1,000,000 cps