Silicone Resins (siblings)
DT Silicone Resin
DT silicone resins combine D (difunctional, R₂SiO₂/₂) and T (trifunctional, RSiO₃/₂) units to deliver a flexible yet heat-resistant thermoset network. Compared with pure T-resins, the D-unit backbone imparts toughness and elongation, making DT resins the choice for flexible high-temperature coatings and electrical insulating varnishes on non-rigid substrates.
Specifications
| D:T Ratio | 0.3–1.0 (higher D = more flexible) |
| Heat Resistance | 250–350 °C continuous |
| Elongation at Break | 20–60% (vs <5% for pure T-resin) |
| Solid Content | 55–65% in xylene |
| Cure | Condensation cure 180–220 °C with or without catalyst |
Applications
- Flexible high-temperature wire and coil coatings
- Motor and transformer insulating varnish on bendable wire
- Release coatings on flexible substrates (PE film, paper)
- Modifier resin blended with methyl T-resin to tune flexibility
- Silicone resin paint for thermally-cycled components
Key Features
- Flexible network: elongation up to 60% vs near-zero for T-resin
- Heat resistance 250–350 °C — outperforms organic resins
- Tunable flexibility via D:T ratio
- Excellent adhesion to steel and aluminum without primer
- Miscible with methyl T-resin for property interpolation
Send Inquiry
Type
DT Network Resin
Heat Resistance
250–350 °C
Elongation
20–60%
Sample
Within 5 business days
Availability
In Stock