Reinforced Thermosetting Resin Conduit (RTRC)
Engineered FRP Conduit for Long-Term Infrastructure Performance
RTRC (Reinforced Thermosetting Resin Conduit) is a fiberglass electrical conduit engineered for infrastructure applications requiring high strength, environmental resistance, and long-term durability.
Designed for underground systems, industrial installations, and projects demanding engineering-grade reliability.
WHAT MAKES OUR RTRC DIFFERENT
Core Engineering Properties
- High Mechanical Strength
Withstands soil load and traffic load effectively - Corrosion Resistant
Non-metallic structure resists rust, chemicals, acids, and alkalis - Electrical Insulation
Non-conductive material ensures safety in electrical systems - Lightweight & Easy Installation
Significantly lighter than steel, reducing installation time and cost - Long Service Life (30+ Years)
Engineered for long-term performance in harsh environments
FROM MATERIAL TO INSTALLATION
1. Raw Material Selection
* High-quality resin system
* Reinforced fiberglass (E-glass / Continuous filament)
* Additives for UV / Fire / Chemical resistance
2. Manufacturing Process
* Filament winding / Pultrusion technology
* Controlled wall thickness & fiber orientation
* Precision mold for consistent dimension
3. In-House Testing & Quality Control
Every conduit is tested prior to delivery
**Mechanical Testing**
* Ring Stiffness Test
* Compression / Crushing Test
* Impact Resistance
**Thermal & Environmental Testing**
* Heat Resistance
* UV Stability
* Water Absorption
**Electrical Testing**
* Dielectric Strength
* Insulation Resistance
4. Dimensional Verification
* Inner Diameter (ID) / Outer Diameter (OD)
* Wall Thickness
* Straightness and tolerance control
5. Final Inspection & Delivery
* Visual inspection
* Surface quality verification
* Protective packaging for transportation
TESTING METHODS
Verified by Engineering Standards
* Ring Stiffness Test (ASTM / ISO)
* Compressive Strength Test
* Impact Resistance Test
* Heat Distortion Test
* Electrical Insulation Test
*All tests are conducted in our in-house laboratory*
COMPLIANCE & STANDARDS
Our RTRC conduits are designed and tested in accordance with international standards
* **ISO 9001 Certified Quality System**
* **ASTM Standards**
* **NEMA Standards**
* **IEC Standards**
* **TIS (Thailand Industrial Standards)**
Testing & Quality Assurance
All RTRC conduit systems are tested for mechanical strength, impact resistance, and environmental durability in accordance with international standards.
JOINT PULLOUT TEST UNDER ASTM D 2105
Standard : > 453.70 kg. or 1,000 lbs.
TENSILE TEST UNDER : ASTM D 2105
Standard : > 62.05 MPa
STRIFFNESS TEST UNDER ASTM D 2414
Standard : >151.7 KPa ( 5 inch )
HEAT DISTORTION TEST (HDT) UNDER ASTM D648
Standard : No deformation at 102 °C at 264 psi
IMPACT TEST UNDER ASTM D 2444
Standard : No crack or any damage at 70 ft. lbs (5” SW type)
FIRE RESISTANCE TEST Under UL94
Standard : Not more than 75 mm./ minute.
TIGHTNESS OF JOINT TEST UNDER UL 1684
Standard : No leakage at joint within 24 hours.
WATER ABSORPTION TEST UNDER UL 1684
Standard : <0.25% of its weight ( 5 inch )
APPLICATIONS
Designed for Infrastructure & Industrial Use
**Underground Installation**
* Concrete Encasement
* Direct Burial
* Pipe Jacking
**Above Ground**
* Cable Routing Systems
* Industrial Plant Installations
* Utility Structures
**Industries**
* Power & Energy
* Petrochemical
* Infrastructure & Transportation
* Water & Utility Systems
Petrochemical
Power Generation
Infrastructure
Chemical
INSTALLATION FLEXIBILITY
Supports multiple installation methods
* Concrete Encasement
* Direct Burial
* Pipe Jacking
* Above Ground Installation
Minimizes site limitations and increases design flexibility
SYSTEM COMPONENTS
**Conduit**
* Straight Pipes (multiple sizes)
**Fittings**
* Elbow
* Coupling
* Reducer
**Accessories**
* Spacer
* End Cap
* Joint System
WHY CHOOSE THAI COMPOSITES
* Fully Integrated Engineering Process (Design → Manufacture → Test)
* In-house Testing Facility
* Proven Performance in Real Projects
* Experienced Engineering Support Team
* Reliable After-Sales Service
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