TPT January 2009

T echnology U pdate

Potable water-rated polyurethane coating for pipelines

TP-304, 304L, 316, 316L, 316Ti, 321, 347 and 310, and ferritic/duplex grades UNS S32760, S31803 and S31500. Products adhere to various international standards and specifications, including ASTM A-213, A-249, A-269, A-312, A-358, A-688, and equivalent standards in ASME, DIN, NFA and JIS. The company can supply in lengths up to 30m. U bending of the tubes can be performed according to customers’ drawings as per TEMA – C, R and B. The company’s plant is approved by national and international third party inspection agencies such as Lloyds, Bureau Veritas, TUV, DNV and SGS, and regularly supplies products under the inspection and certification of these agencies. Suraj also holds certificates for quality in accordance with AD2000 Merkblatt W0 and pressure equipment directives (PED) 97/23/ EC from TUV Nord. Suraj Stainless Limited – India Fax : +91 79 27540722

applied in the most problematic ambient conditions. It is therefore claimed to be a superior coating material formulated specifically for industrial applications receiving attack from contained materials, subsurface hydrostatic pressure, most corrosive substances, and abrasive action. Chemthane 4200PW is highly impact and abrasion resistant and strong enough to remain intact under all conditions except for major structural dislocations. This product can be used in transitional areas, while it may also be used in interior or exterior applications. It is recommended for repair of other films, and may be applied to ductile iron and other prepared metal substrates. The special spray coating can be used for the production of in-factory storage tanks, pipelines and structural steel or it can be applied in the field to sheet/bolded steel tanks where downtime is a serious concerns. Chemline – USA Fax : +1 314 664 1355

Chemthane 4200PW is a fast set, 100 per cent solids (Zero VOC), two-component polyurethane spray coating for direct-to- metal (primerless) applications. Manu- factured by Chemline, USA, the product is approved in accordance with ANSI/NSF 61 for potable water applications. Chemthane 4200PW is applied directly to grit-blasted steel. Due to an extremely fast gel time, the spray coating is suitable for applications from 35°F (2°C) up to 120°F (48°C) without special conditioning of the component resins and isocyanates. Chemthane 4200PW produces an extremely tough film at all thicknesses. Single coat, multiple pass applications produce films from 10 mils to 500 mils without appreciable sag or runs. Chemthane 4200PW may be applied in all positions and to any suitably prepared substrate. The coating is inert and will not hydrolyze, leach, or contaminate to affect the taste of drinking water. Relatively moisture and temperature insensitive, Chemthane 4200PW can be

Email : info@chemline.net Website : www.chemline.net

Email : export@surajgroup.com Website : www.surajgroup.com

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