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SIGMA ALPHAGEN 240 High-performance Tin-free Self-polishing Antifouling 240

Quick Specs

Low-drag linear self-polishing antifouling based on hydrolysable polymer technology, suitable for deep-sea ocean-going vessels. Medium-polishing tin-free self-polishing antifouling. Good weather resistance for antifouling coatings on the waterline area exposed to the atmosphere for extended periods, whether on newbuildings or vessels in service. Parameters on this page: volume solids 58 ± 2%, dry film thickness 75–175 µm (3.0–7.0 mil) depending on coating system requirements, theoretical spreading rate 3.9 m²/L. Comparable models from the same brand: AMERCOAT 114 A Epoxy Filler 114 A, AMERCOAT 220 Water-borne Acrylic Topcoat 220, AMERCOAT 240 SIGMACOVER 240 High-solids Multi-purpose Epoxy 240.

Parameter source: PPG original technical data sheet (TDS) “SIGMA ALPHAGEN 240 High-performance Tin-free Self-polishing Antifouling 240”; values such as spreading rate are converted from TDS parameters and are for selection reference only.
The above content is compiled from the manufacturer's datasheet and this site's parameter tables. For selection, coating systems and lead times, pleaseContact Usfor confirmation.

This page carries the full TDS for this product, translated from the manufacturer's original document. No file download is needed; for an original-language copy, send an enquiry.

Volume Solids58 ± 2%
Dry Film Thickness75–175 µm (3.0–7.0 mil) depending on coating system requirements
Theoretical Spreading Rate3.9 m²/L
VOCMaximum 207.0 g/kg (EU Directive 1999/13…
Density / Specific Gravity1.7 kg/L (14.2 lb/US gal)
Number of ComponentsOne-component
ThinnerThinner 21-06
Recoat IntervalMinimum time: 6 h

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The manufacturer's datasheet for this model does not state the coating position or resin type, so it has not been assigned to the above categories. Browse similar products by category, orContact Usconfirm the coating system.

Introduction

A low-drag linear self-polishing antifouling based on hydrolysable polymer technology, suitable for deep-sea ocean-going vessels

Key properties

Colour and gloss

Basic data at 20 °C (68 °F)

Parameters after mixing

Number of ComponentsOne-component
Density1.7 kg/L (14.2 lb/US gal).
Volume solids58 ± 2% .
VOC (as supplied)Maximum 207.0 g/kg (EU Directive 1999/13/EC, SED).

UK Standard UK PG 6/23(92) Appendix 3: maximum 414.0 g/L (approx. 3.5 lb/US gal).

Recommended dry film thickness75–175 µm (3.0–7.0 mil) depending on coating system requirements.
Theoretical Spreading Rate3.9 m²/L at 150 µm (155 ft²/US gal at 6.0 mil).
Touch Dry1 h.
Recoat IntervalMinimum time: 6 h.
Re-immersion time12 h
Storage shelf lifeAt least 18 months, provided it is stored in a cool, dry environment.

Notes

Recommended substrate condition and temperature

Substrate condition

Substrate temperature and application conditions

Instructions for use

Airless spray (single-feed pump)

Recommended thinnerThinner 21-06.
Thinner quantity0–3%, depending on the required film thickness and application conditions.
Nozzle tip sizeApprox. 0.53–0.69 mm (0.021–0.027 in).
Nozzle pressure12.0–15.0 MPa (approx. 120–150 atm; 1741–2176 psi).

Brush/roller

Recommended thinnerThinner 21-06.
Thinner quantity0 - 3% .
Cleaning solventThinner 21-06.

Supplementary parameters

Film thickness and spreading rate

Dry Film ThicknessTheoretical Spreading Rate
75 µm (3.0 mils)7.7 m²/L (310 ft²/US gal)
100 µm (4.0 mils)5.8 m²/L (233 ft²/US gal)
150 µm (6.0 mils)3.9 m²/L (155 ft²/US gal)
175 µm (7.0 mils)3.3 m²/L (133 ft²/US gal)

Minimum overcoating interval for a 175 µm (7.0 mil) dry film thickness

Subsequent coat for recoatingRecoat interval5 °C10 °C20 °C30 °C
(41 °F)(50 °F)(68 °F)(86 °F)
Self-recoatMinimum recoat interval12 h10 h6 h4 h
Minimum drying time before immersion24 h18 h12 h9 h

Notes

Safety Precautions

Worldwide

Although PPG Protective and Marine Coatings is committed to providing completely consistent products to users worldwide, from time to time it may be necessary to make minor adjustments to specific products to comply with local/national regulations or environmental requirements. In the following cases, use the corresponding alternative version of the product data sheet instead.

Reference information

Quality guarantee

PPG warrants (1) that it has good title to the product, (2) that the product quality conforms to the relevant technical quality specifications in force at the date of manufacture of the product, and (3) that the supplied product is free of lawful claims by third parties for infringement of US patent rights. The above warranties are limited to those given by PPG and other express or implied warranties required by applicable laws and regulations for transactions and commercial practice; any abuse contrary to the stated conditions, and any other warranty for special purposes or uses, are excluded, and PPG shall be free from liability. To claim under this warranty, the buyer must notify PPG in writing within five (5) days of discovering the quality defect, and the date must be within the product's valid storage period or within one (1) year from delivery of the product to the buyer.

If the buyer fails to notify PPG of the defect as required above, this will prejudice the buyer's right to obtain compensation under this warranty from PPG!

Limitation of liability

In all cases, PPG shall not be liable for any indirect, special, incidental or consequential loss of any kind arising from or in connection with the use of this product (whether based on negligence, strict liability or tort).

The information in this product data sheet is based on laboratory tests we believe to be reliable, and is provided for guidance only. PPG may revise this information at any time as experience accumulates and product development progresses.

All recommendations and advice concerning the use of this product, whether in technical documents, in response to an enquiry or otherwise, are given to the best of our knowledge and are believed to be reliable. Our products and related information are provided for industrial users possessing the necessary knowledge and practical skills, and it is the end user's responsibility to determine whether the product is suitable for the specific use. The buyer, having performed such evaluation, proceeds entirely at its own risk.

The quality and condition of the substrate on site, and the many other factors affecting product use and application, are beyond PPG's control. Therefore, PPG accepts no liability for any loss, injury or damage arising from the use of the information in this product data sheet (unless otherwise provided in a written agreement). Different application environments, changes to the application process or extrapolation of the reference data may result in failure to achieve the expected coating quality.

This product data sheet supersedes all previous versions. The buyer is responsible for confirming that the data sheet in hand is the latest version before using the product. The latest version is published on the official website of PPG Protective & Marine Coatings:

www.ppgpmc.com. In case of discrepancy between the Chinese version and the original English version of the product data sheet, the English original shall prevail.

To meet the specific application requirements of certain countries, the following product versions may be selected

Product codeColourReference information
249277Brown (Brown)2000002200
249273Red-brown (Redbrown)2008002200
328228Brown (Brown)2000002150
328229Red-brown (Redbrown)2008002150

The PPG logo, and all other PPG marks are property of the PPG group of companies. All other third-party marks are property of their respective owners.

FAQ

How many components does SIGMA ALPHAGEN 240 have?
SIGMA ALPHAGEN 240 is a single-component product; stir uniformly after opening the can before application, with no on-site mixing required.
What dry film thickness is typically applied for SIGMA ALPHAGEN 240?
The conventional dry film thickness of SIGMA ALPHAGEN 240 is 75–175 µm (3.0–7.0 mil) depending on coating system requirements; the specific value is determined by the coating scheme and design requirements.
What is the theoretical spreading rate of SIGMA ALPHAGEN 240?
The theoretical spreading rate of SIGMA ALPHAGEN 240 is 3.9 m²/L; actual consumption is adjusted according to substrate roughness, application losses and colour hiding power.
What is the volume solids of SIGMA ALPHAGEN 240?
The volume solids of SIGMA ALPHAGEN 240 is 58 ± 2%.
What is the VOC of SIGMA ALPHAGEN 240?
The VOC of SIGMA ALPHAGEN 240 is maximum 207.0 g/kg (EU Directive 1999/13….
What thinner is used for SIGMA ALPHAGEN 240?
Recommended thinner for SIGMA ALPHAGEN 240: Thinner 21-06.
Which standards does SIGMA ALPHAGEN 240 involve?
As recorded in the technical data on this page: EN 240 (see the application instructions on this page). Specific applicability is subject to the manufacturer's technical data sheet and the coating system.
Where can SIGMA ALPHAGEN 240 be purchased?
RichTech Industrial Technology (Shanghai) Co., Ltd. distributes industrial and marine coatings, representing brands including JOTUN, HEMPEL, International, PPG and KANSAI, and provides product selection, coating systems and quantity calculations. Company address: Changhui Building, 799 Yinxiang Road, Jiading District, Shanghai.

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