For questions, concerning corrosion protection, contact our Mr. Franke under Telephone No. +49-(0) , or Fax No.+49-(0) ).

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1 SCHORCH Paint System (Author: Hinrichs / Dep. Q1) Contents 1: General 2: Warranty / paint systems to customers specifications 3: Contact person at SCHORCH 4: Attached index 5: Site conditions of SCHORCH Paint System standard 6: Components and film thickness 7: Description of the Paint System 8: Inspection of film thickness and adhesive power 1. General The SCHORCH paint system was developed in co-operation with the paint manufacturer, Messrs. FEIDAL. It is a high-endurance corrosion protection, characterized by Enduring protection Application on any surface Offering a variety of surface effects Non-polluting Economy The reliability of FEIDAL products in the field of corrosion protection has been certified in various expertises and test certificates of independent institutes. They have been officially approved by Deutsche Bahn AG, VEW, BASF, Hüls AG, Bayer AG, Ruhrkohle AG, Mannesmann, Thyssen Krupp AG, and other leading enterprises. 2. Warranty / paint systems to customers specifications We guarantee a corrosion protection of 2 years, provided site conditions are known. Extended periods of warranty and/or the use of paint systems to customers specifications are subject to approval by department P14. A relevant questionnaire is available, on request, from the same department. In order to grant an extended period of warranty, site conditions such as location, application and particular requirements e.g. chemical stresses or unusual standards to be met, must be stated in the order, and Messrs. FEIDAL must have had the opportunity to test the respective paint system in our works. 3. Contact person at SCHORCH For questions, concerning corrosion protection, contact our Mr. Franke under Telephone No. +49-(0) , or Fax No.+49-(0) ). Test-sheet metals with the corresponding paint-system are available, on request, from the same department 4. Attached index Paint systems: Standard: G, M, W, K1 (ribbed), K2 (non ribbed), S Specific: Z1, Z2, Z3 Werk-Norm Name / name Hinrichs Dok.-No. / Doc.-no. PSY GB 1 von 4 SCHORCH ref.no

2 SCHORCH-Anstrichsystem (Ersteller: Hinrichs / Abt. Q1) 5. Site conditions The SCHORCH Paint System has been subjected to long-time endurance tests and has been found suitable for the following site conditions: Paint System Installation Site conditions Remarks Indoor outdoor G resistant against oils and greases X (primer) ---- M (moderate) W (world-wide) X X X without chemical influences in normal industrial atmosphere with chemical influences corrosive atmosphere with for short periods: up to 100% rel. humidity at temperatures up to 35 C or continuously: up to 98% rel. humidity at temperatures up to 30 C Standard for IP 23 and IP55 Special for IP55 S X X Chemical- and sea-atmosphere not for ribbed frames K X X 6. Components and film thickness Well suitable against abrasion, corrosive chemical and sea-atmosphere and high relative humidity not for IP23 Primer Hydro primer AG05 1-C = one component 2-C = two components Epoxy zinc dust primer MG45 (1-C) (2-C) Film thickness in µm G M W (1) (2) S 30 K1 ribbed K2 non ribbed 40 0Intermediate coat Acrylic-PUR texture-finish ZS10 PUR high-filling paint ZG14 Acrylic-PUR finishing paint RUCO (2-C) (2-C) (2-C) (3) (3) 200 (4) (3) 70 (5) 200 (4) 70 (5) Total dry film thickness (arithmetic mean!) Remarks: (1) not varnished inside the fan cap and fan (standard RAL 7031 or RAL 7032; otherwise W-paint) (2) varnished inside the fan cap and fan (3) fine texture (RAL 7031) (4) rough texture (RAL 7032) (5) components which cannot be steel-blasted, use of special primer ZG59 (2-C) Werk-Norm Name / name Hinrichs Dok.-No. / Doc.-no.PSY GB 2 von 4 SCHORCH ref.no

3 SCHORCH-Anstrichsystem (Ersteller: Hinrichs / Abt. Q1) 7. Description of the Paint System FEIDAL hydro primer Environmentally compatible, water-based, primer for indoor and outdoor application; short drying time. FEIDAL epoxy resin rich primer (standard primer for paint system "K") First-class corrosion protection primer with excellent resistance against fresh and sea water, grease, oil, and other solvents. To be applied for highest corrosion protection requirements e.g. on tanks, vehicles, conveyor systems, steel constructions, in ship building and general engineering. Primers with a different basis (e.g. zinc phosphates) offer a lower degree of corrosion protection. Acrylic-resin coatings (AY) Chemically cross-linked coatings for high-quality, non-fading, weather-resistant coatings (2-component or stoved coatings). For cross-linking, isocyanates (2-component polyurethane acrylic) can be used. Polyurethan coatings (PUR) These are among the best coatings available. They are characterized by high mechanical and chemical durability, modification of properties due to the large number of components and their various combinations, and by the ability to harden at room temperature to coatings comparable to stoved coatings. Without Silicone As a result of increasingly stringent environmental requirements, painting plants, e.g. in the car industry, are converted to or designed for water soluble paints (AY or PUR). Investigations have revealed that anti-wetting substances such as silicone or polyurethane ethylene (Teflon) lead to the formation of craters in the wet paint. They are still effective in solutions up to Manufacturers of painting plants (mainly for the car industry) demand, therefore, products which are free from silicone, Teflon or other anti-wetting substances. For further information on electrical machines which do not contain any silicone-bearing materials, refer to Product information: 97/001 (Issue: ) Werk-Norm Name / name Hinrichs Dok.-No. / Doc.-no. PSY GB 3 von 4 SCHORCH ref.no

4 SCHORCH-Anstrichsystem (Ersteller: Hinrichs / Abt. Q1) 8. Description of the Paint System Inspection of film thickness - Definition of film thickness: film thickness is defined as the arithmetic mean of a minimum of 24 individual values of the film thickness - Illustration of the inspection of the film thickness: 116 µm Measuring device (magnetic-induction-procedure) individual values E E 1 E 2 E 3 E 4 E 5 E 6 surface of varnish surface of the magnetic ground material E 1 =133 µm; E 2 =116 µm; E 3 =144m; E 4 =125µm; E 5 =144 µm; E 6 =154 µm - specified mean film thickness: 110 µm - permissible range of arithmetical mean value: -15 % / +85 % ( µm) - actual mean film thickness: 136 µm - Effects causing the variance of measured values: - varnishing by hand - partially high surface roughness (25-50 µm of cast iron) - measured values are not reproducible Conclusion: It is not permissible to determine the film thickness by using individual values! - customer requirements of film thickness, are to be documented in the production order - inspection costs for the examination of the film thickness per motor have to be charged Inspection of adhesive power If ordered, the inspection of the adhesive power by using test metal sheets is possible and test results are recorded. Customer requirements of inspection are to be documented in the production order clearly. An inspection of adhesive power on cast iron surfaces as well as of a film thickness larger than 300 µm is not possible. Costs for the inspection of the adhesive power have to be charged per test metal sheet. Werk-Norm Name / name Hinrichs Dok.-No. / Doc.-no. PSY GB 4 von 4 SCHORCH ref.no

5 Paint System "G" system without chemical influences. Adequate resistance against mineral oils and greases. For indoor applications. Hydro primer (1 component) Acrylic resin with active rust-resistant pigments Adequate resistance against mineral oils and greases, impeccable adhesion to all metals, can be varnished over with all types of varnish, quick drying; without silicone. Red brown, mat 60 µm (arithmetic mean) (the primer is painted in 2 coatings; 30 µm for each coating) Temperature resistance: -40 C up to 120 C ( short time up to 140 C ) Werk-Norm Name / name Hinrichs Dok.-No. / Doc.-no. PSY GB SCHORCH ref.no

6 Paint System "M" MODERATE paint system (acc. to IEC ) without chemical influences. For normal industrial atmosphere (indoor applications; standard painting for protection degree IP23 and IP55) Hydro primer (1 component) Acrylic resin with active rust-resistant pigments Adequate resistance against mineral oils and greases, impeccable adhesion to all metals, can be varnished over with all types of varnish, quick drying; without silicone. Red brown, mat 30 µm (arithmetic mean) Acrylic - Polyurethane (PUR) texture-finish paint (2 components) Isocyanate web-type polyol Resistant against chemical and cleansing agents; appropriately stable to light; without silicone. RAL 7031 (blue-grey), silky 50 µm (arithmetic mean) Total D.F.T: 80 µm (arithmetic mean) Temperature resistance: -40 C up to 120 C ( short time up to 140 C ) Remark If an other painting tone is required a worldwide paint system is varnished Werk-Norm Name / name Hinrichs Dok.-No. / Doc.-no. PSY GB SCHORCH ref.no

7 Paint System worldwide WORLDWIDE paint system (acc. to IEC ) with adequate resistance against chemical influences. For indoor and outdoor applications (special painting for protection degree IP55). Hydro primer (1 component) Acrylic resin with active rust-resistant pigments Adequate resistance against mineral oils and greases, impeccable adhesion to all metals, can be varnished over with all types of varnish, quick drying; without silicone. Red brown, mat 30 µm (arithmetic mean) Intermediate coat Hue Acrylic - Polyurethane (PUR) texture-finish paint (2 components) Isocyanate web-type acrylic resin Resistant against chemical and cleansing agents; appropriately stable to light; without silicone. RAL 7031 (blue-grey), silky 50 µm (arithmetic mean) Total Acrylic - Polyurethane (PUR) enamel-finish paint (2 components) Acrylic - Polyurethane / aliphat. Isocyanat High resistant against chemicals, solvents, mineral oils, fuels and corrosive industrial atmosphere; without silicone. RAL. (colours can be supplied on request), silky 30 µm (arithmetic mean) 110 µm (arithmetic mean) Temperature resistance: -40 C up to 120 C ( short time up to 140 C ) Name / name Hinrichs Dok.-No. / Doc.-no. PSY GB SCHORCH ref.no.

8 Paint System "S" (non-ribbed frame machines) for corrosive chemical or salt-laden atmosphere This paint system is resistant against chemicals and solvents. Adequately resistant against atmospheric influences, industrial atmospheres and sea water. For indoor and outdoor applications. Hydro primer (1 component) Acrylic resin with active rust-resistant pigments Adequate resistance against mineral oils and greases, impeccable adhesion to all metals, can be varnished over with all types of varnish, quick drying; without silicone. Red brown, mat 30 µm (arithmetic mean) Intermediate coat Hue Polyurethane (PUR) high-filling paint (2 components) Isocyanate web-type polyol A varnish with a low solvent and high solids content. Both tough and elastic and highly resistant against abrasion. The varnish can be varnished over with almost all types of varnishes; without silicone. RAL 7032 (pebble-grey), silky 200 µm (arithmetic mean) Total Acrylic - Polyurethane (PUR) enamel-finish paint (2 components) Acrylic - Polyurethane / aliphat. Isocyanat High resistant against chemicals, solvents, mineral oils, fuels and corrosive industrial atmosphere; without silicone. RAL. (colours can be supplied on request), silky 30 µm (arithmetic mean) 260 µm (arithmetic mean) Temperature resistance: -40 C up to 120 C ( short time up to 180 C ) Name / name Hinrichs Dok.-No. / Doc.-no. PSY SCHORCH ref.no.

9 Paint System "K1" (for ribbed frame machines; not for IP23-machines) This paint system is especially suitable by risk of abrasion, sea water and chemical atmosphere, at high air humidity. For indoor and outdoor applications. (Remark: EPOXY zinc dust primer (2 components) Epoxid resin By adding a special hardener, a cross linked primer is obtained which is both tough and elastic. It is highly resistant against fresh and sea water, grease, oil, drilling oil and numerous solvents. In dry condition 92 % pure metallic zinc dust contents; without silicone. RAL 7030 (stone-grey), mat 70 µm (arithmetic mean) Surfaces which cannot be prepared by steel-blasting, use of special primer) Intermediate coat Hue Acrylic - Polyurethane (PUR) texture-finish paint (2 components) Isocyanate web-type acrylic resin Resistant against chemical and cleansing agents; appropriately stable to light; without silicone. RAL 7031 (blue-grey), silky 50 µm (arithmetic mean) Total Acrylic - Polyurethane (PUR) enamel-finish paint (2 components) Acrylic - Polyurethane / aliphat. Isocyanat High resistant against chemicals, solvents, mineral oils, fuels and corrosive industrial atmosphere; without silicone. RAL. (colours can be supplied on request), silky 40 µm (arithmetic mean) 160 µm (arithmetic mean) Temperature resistance: -40 C up to 120 C ( short time up to 180 C ) Name / name Hinrichs Dok.-No. / Doc.-no. PSY SCHORCH ref.no.

10 Paint System "K2" (for non-ribbed frame machines; not for IP23-machines) This paint system is especially suitable by risk of abrasion, sea water and chemical atmosphere, at high air humidity. For indoor and outdoor applications. (Remark: EPOXY zinc dust primer (2 components) Epoxid resin By adding a special hardener, a cross linked primer is obtained which is both tough and elastic. It is highly resistant against fresh and sea water, grease, oil, drilling oil and numerous solvents. In dry condition 92 % pure metallic zinc dust contents; without silicone. RAL 7030 (stone-grey), mat 70 µm (arithmetic mean) Surfaces which cannot be prepared by steel-blasting, use of special primer) Intermediate coat Hue Polyurethane (PUR) high-filling paint (2 components) Isocyanate web-type polyol A varnish with a low solvent and high solids content. Both tough and elastic and highly resistant against abrasion. The varnish can be varnished over with almost all types of varnishes; without silicone. RAL 7032 (pebble grey), silky 200 µm (arithmetic mean) Acrylic - Polyurethane (PUR) enamel-finish paint (2 components) Acrylic - Polyurethane / aliphat. Isocyanat High resistant against chemicals, solvents, mineral oils, fuels and corrosive industrial atmosphere; without silicone. RAL. (colours can be supplied on request), silky 40 µm (arithmetic mean) Total 310 µm (arithmetic mean) Temperature resistance: -40 C up to 120 C ( short time up to 180 C ) Name / name Hinrichs Dok.-No. / Doc.-no. PSY SCHORCH ref.no.

11 Special Paint System "Z1" (non-ribbed frame machines) for corrosive chemical or salt-laden atmosphere This paint system is resistant against chemicals and solvents. Adequately resistant against atmospheric influences, industrial atmospheres and sea water. For indoor and outdoor applications. EPOXY zinc dust primer (2 components) Epoxid resin By adding a special hardener, a cross linked primer is obtained which is both tough and elastic. It is highly resistant against fresh and sea water, grease, oil, drilling oil and numerous solvents. In dry condition 92 % pure metallic zinc dust contents; without silicone. RAL 7030 (stone-grey), mat 70 µm (arithmetic mean) Intermediate coat Hue Polyurethane (PUR) high-filling paint (2 components) Isocyanate web-type polyol A varnish with a low solvent and high solids content. Both tough and elastic and highly resistant against abrasion. The varnish can be varnished over with almost all types of varnishes; without silicone. RAL 7032 (pebble-grey), silky 200 µm (arithmetic mean) Total Acrylic - Polyurethane (PUR) enamel-finish paint (2 components) Acrylic - Polyurethane / aliphat. Isocyanat High resistant against chemicals, solvents, mineral oils, fuels and corrosive industrial atmosphere; without silicone. RAL. (colours can be supplied on request), silky 30 µm (arithmetic mean) 300 µm (arithmetic mean) Temperature resistance: -40 C up to 120 C ( short time up to 180 C ) Name / name Hinrichs Dok.-No. / Doc.-no. PSY SCHORCH ref.no.

12 Paint System "Z2" (Machines for Offshore industry) This paint system is especially suitable by risk of abrasion, sea water and chemical atmosphere, at high air humidity for machines in chemical and wastewater treatment plants, in paper industry and offshore industry. a) Surface preparation by steel blasting (thickness of sheet metals 3 mm) EPOXY zinc dust primer (2 components) "Amercoat 132" (Ameron) Epoxid resin Amercoat 132 is a high resistance primer with high adhesion for steel blasted surfaces. Solids by weight 82 %. Green-grey, mat 70 µm (arithmetic mean) b) Surface preparation not by steel blasting (thickness of sheet metals 2,5 mm) Surface preparation: deposits which reduce the adhesion quality, such as oil, grease, dust, rolling skin have to be removed first 1. Epox-primer (2 components) "Amercoat 71 (TC)" (Ameron) Epoxid resin / polyamide Amercoat 71 (TC) is a high resistance primer with high adhesion for non steel blasted surfaces. Solids by weight 51 %. oxide red, mat 45 µm (arithmetic mean) Total Special siloxane coating (2 components) "PSX 700" (Ameron) Patented engineered siloxane coating (embodies the properties of both a high performance epoxy and a polyurethane in one coat) PSX 700 provides effective long term corrosion control and weatherability. Solids by weight 90 %. To customer requirements 155 µm (arithmetic mean) 225 µm (arithmetic mean for steel blasted surfaces) 200 µm (arithmetic mean for non steel blasted surfaces) Temperature resistance: -40 C up to 120 C Name / name Hinrichs Dok.-No. / Doc.-no. PSY SCHORCH ref.no.

13 Paint System "Z3" Paint system for indoor and outdoor applications in normal industrial environments Surface preparation: - steel : Manufacturers standard - cast iron : Foundry shot blast Red Oxide Water-based Anticorrosive Primer Alkyd water based suitable for use under most single and 2 pack solvent based products. Adhesion tests should be carried out prior to introducing new system. Red Oxide µm (arithmetic mean) LEIGH S C686 COMPLIANT LEAD FREE FINISH Isocyanate free pack finish Moisture Good Petroleum solvents Moderate Acid spillage Moderate Abrasion Moderate Alkali spillage Moderate Weather Weather RAL 5021 (water blue, alternative colours can be supplied on request) µm (arithmetic mean) Total µm (arithmetic mean) Temperature resistance: -40 C up to 120 C Finish motor, inaccessible / exposed machined surfaces: Corrosion protective spray Name / name Hinrichs Dok.-No. / Doc.-no. PSY SCHORCH ref.no.

BUREAU OF INDIAN STANDARDS. Draft Indian Standard TWO COMPONENTS HIGH BUILD EPOXY MICACIOUS IRON OXIDE (MIO) PIGMENTED INTERMEDIATE COAT SPECIFICATION

BUREAU OF INDIAN STANDARDS. Draft Indian Standard TWO COMPONENTS HIGH BUILD EPOXY MICACIOUS IRON OXIDE (MIO) PIGMENTED INTERMEDIATE COAT SPECIFICATION FOR BIS USE ONLY DOC:CHD 20 (1932)C December 2012 BUREAU OF INDIAN STANDARDS Draft Indian Standard TWO COMPONENTS HIGH BUILD EPOXY MICACIOUS IRON OXIDE (MIO) PIGMENTED INTERMEDIATE COAT SPECIFICATION (Not