LUOYANG CAME ENERGY TECH CO, LTD

Per què més gent tria PP-RCT
En alguns entorns més extrems, quins accessoris de canonada poden "sobreviure"?Només hi ha una resposta:PP-RCT
PP-RCT is a high-performance upgraded material in the field of polypropylene piping, full name Polypropylene Random Copolymer with enhanced Crystallinity Temperature, commonly referred to as high-temperature-resistant polypropylene pipe or fourth-generation PP-R pipe. It is not a completely new material, but a high-performance polypropylene pipe developed on the basis of traditional PP-R through molecular structure optimization, crystallization morphology control, and nanomodification technologies.
The core differences between PP-RCT and traditional PP-R

| Performance Indicators | Traditional PP-R | PP-RCT |
|---|---|---|
| Long-term service temperature | ≤70℃ | ≤90~95℃ |
| Short-term tolerance temperature | ≤95℃ | ≤110℃ |
| Minimum required strength (MRS) | 8.0 MPa | 10.0 MPa |
| High-temperature pressure-bearing capacity | Benchmark | Increase by 30%~50% |
| Low temperature impact resistance | General (brittle below 0℃) | Significantly improved (still flexible at -20°C) |
| Wall thickness under the same pressure | Relatively thick | Can be thinned by 15%~20% |
| Creep/Stress Cracking Resistance | Mitjana | Excel·lent |
Manufacturing of PP-RCT
- Special Resin Synthesis and Modification
- Random copolymerization of propylene with 1.5%~4% ethylene, precisely controlling the molecular weight distribution; the core involves a blend of high-efficiency α-crystalline nucleating agents and a composite anti-oxidation system. Through twin-screw blending and granulation, special particles with high crystallinity and high melt strength are formed.
- Precision Extrusion Molding
- Single-screw extrusion is used with strict temperature control (≤230°C to prevent degradation); the key to success lies in ‘gradient slow cooling’ mida (60°C → 40°C → 25°C staged spraying), allowing the nucleating agents to fully act and uniformly refine spherulites, avoiding internal stress and microcracks caused by rapid cooling; laser online diameter and thickness measurement is conducted throughout.
- Mandatory Quality Inspection and Certification
- Must pass a 1000-hour static hydrostatic test at 95°C/10.0MPa and extrapolate life to 70°C/50 years according to ISO 9080; simultaneously test thermal stability (OIT ≥ 20 min) and drinking water hygiene safety; after passing, the pipe body is mandatorily marked with PP-RCT, classificació de pressió, and the applicable standard.

The advantages of pp-rct in extreme environments
- Extremely cold but not brittle: fine crystalline structure, homogeneous heat fusion, high system integrity under freeze-thaw cycles;
- High temperature but not soft: MRS 10.0 MPa, anti-oxidation system, long-term stability at 90°C operating conditions;
- Earthquake-resistant and corrosion-resistant: flexible one-piece molding, chemically inert, suitable for geologically active areas and high-chlorine water quality regions.

Application of pp-rct
- Building hot and cold water supply systems (especially for high-rise buildings, hot water return, and whole-house water supply for villas)
- Connection of underfloor heating main/branch pipes, exposed pipelines for radiators
- Solar heat collection systems, air source heat pump refrigerant water systems
- Places with high requirements for water quality and temperature, such as hospitals, hotels, swimming pools, i fàbriques d'aliments
- Industrial low-pressure fluid transport (non-strongly corrosive media, temperature ≤ 95°C)

Perfil de l'empresa
Luoyang Datang Energy Tech Co., Ltd. és un fabricant xinès líder especialitzat en canonades i accessoris de plàstic d'alta qualitat. Equipat amb línies de producció automatitzades d'última generació i recolzat per un equip de 200 professionals, oferim una àmplia línia de productes que inclou més 150 tipus de canonades i accessoris de plàstic dissenyats per a sistemes de subministrament d'aigua i drenatge, transmissió de gas, i sistemes de calefacció per terra radiant. Els nostres productes principals inclouen tubs i accessoris de PVC, PE (HDPE) Tubs i accessoris, Tubs i accessoris PPR, i canonades de calefacció per terra PEX.
Si teniu alguna pregunta sobre la connexió de canonades HDPE, si us plau, no dubteu a contactar amb nosaltres!
Tel.:0086-183 3790 0677
Wechat: 0086-183 3790 0677
Whatsapp: 0086-183 3790 0677
Correu electrònic: sales@pipesandfittings.net





