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Polyguard RD-6 is a non-shielding, anti-corrosion coating system engineered to safeguard buried and submerged pipelines from corrosion. Its polymer-modified coating layer, bonded to a tightly woven polypropylene geotextile fabric, provides excellent durability, high tensile strength, and low elongation — ensuring long-term protection without compromising cathodic protection efficiency.
The RD-6 Coating System combines three layers of defense:
Liquid Adhesive Primer for superior surface bonding.
Geotextile-Backed RD-6 Coating for corrosion resistance and flexibility.
SP-6 Outerwrap & UV Overcoat for added protection and UV stability above ground.
This system is ideal for buried and submerged pipelines, girth welds, and rehabilitation projects, with compatibility for operations up to 145°F (63°C). For higher temperatures, RD-6 HT is recommended.
Non-shielding design — prevents corrosion under disbonded coating.
Ease of installation — supplied in rolls and applied with a Polyguard-approved machine.
Proven field performance — widely trusted for long-term corrosion control.
Choose PetroMarys for certified Polyguard RD-6 solutions, ensuring reliable protection, extended service life, and cost-efficient performance for your critical pipeline assets.
PetroMarys supplies Polyguard RD-6 HT®, a non-shielding, anti-corrosion coating for buried, submerged, and new pipeline applications.
Reinforced with polypropylene geotextile fabric, it offers high strength, low elongation, and long-term corrosion protection.
For above-ground use, apply RD-6 UVO for added UV resistance.
Features & Benefits:
Non-shielding design — allows cathodic protection currents to reach the pipe surface.
High-temperature service — suitable for pipelines up to 190°F (88°C).
Superior cathodic disbondment resistance, even with minimal surface prep.
Strong geotextile backing — resists soil stress and maintains coating integrity.
Fast and easy to apply — backfill immediately after coating.
Visco-elastic flexibility — accommodates thermal expansion and contraction.
Excellent adhesion — woven fabric promotes uniform bonding at overlaps.
Water vapor resistant — ensures consistent protection in challenging conditions.




So, why not contact us and send us your project requirements, and we’ll do the rest!