තවත් ආන්තික පරිසරයක, කුමන නල සවිකිරීම් 'ජීවත්විය හැකි'?ඇත්තේ එකම පිළිතුරකි: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

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’ ප්රමාණය (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 මිනි) and drinking water hygiene safety; after passing, the pipe body is mandatorily marked with PP-RCT, pressure rating, 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, and food factories
• Industrial low-pressure fluid transport (non-strongly corrosive media, temperature ≤ 95°C)

සමාගම් පැතිකඩ

Luoyang Datang Energy Tech Co., Ltd. උසස් තත්ත්වයේ ප්ලාස්ටික් පයිප්ප සහ සවි කිරීම් සඳහා විශේෂඥයින් වන ප්රමුඛතම චීන නිෂ්පාදකයෙකි. අති නවීන ස්වයංක්‍රීය නිෂ්පාදන රේඛා වලින් සමන්විත වන අතර කණ්ඩායමක සහාය ඇත 200 වෘත්තිකයන්, අපි සමන්විත පුළුල් නිෂ්පාදන පෙළක් ඉදිරිපත් 150 ජල සම්පාදන හා ජලාපවහන පද්ධති සඳහා නිර්මාණය කර ඇති ප්ලාස්ටික් පයිප්ප සහ උපාංග වර්ග, ගෑස් සම්ප්රේෂණය, සහ බිම තාපන පද්ධති. අපගේ ප්‍රධාන නිෂ්පාදන PVC පයිප්ප සහ උපාංග ඇතුළත් වේ, PE (HDPE) පයිප්ප සහ උපාංග, PPR පයිප්ප සහ උපාංග, සහ PEX මහල තාපන පයිප්ප.

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