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PPG SIGMACOVER 620 LT Epoxy Coating 620 LT (Winter Grade)

Quick Specs

PPG SIGMACOVER 620 LT Epoxy Coating 620 LT is an epoxy coating. Two-component surface-tolerant polyamide-cured aluminium epoxy mastic. The coating retains good low-temperature drying and curing performance even at ambient temperatures as low as -5°C (23°F). Specifications on this page: volume solids 80 ± 2%, DFT 75-250 µm (3.0-10.0 mil) depending on system requirements, theoretical spreading rate 6.4 m²/L. Comparable products of the same brand and type: AMERCOAT 114 A Epoxy Filler 114 A, AMERCOAT 240 SIGMACOVER 240 High-solids Multi-purpose Epoxy 240, AMERCOAT 370 Rapid-dry Multi-purpose Epoxy Coating 370.

Parameter source: PPG original technical data sheet (TDS) 'PPG SIGMACOVER 620 LT Epoxy Paint 620 LT (Winter Grade)'; spreading rate and other values converted from TDS parameters, 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 Solids80 ± 2%
Dry Film Thickness75–250 µm (3.0–10.0 mil) depending on the coating system requirements
Theoretical Spreading Rate6.4 m²/L
VOCMaximum 150.0 g/kg (EU Directive 1999/13…
Density / Specific Gravity1.5 kg/L (12.5 lb/US gal)
Number of ComponentsTwo-component
ThinnerThinner 91-92
Recoat IntervalMinimum: 16 h; maximum: 3 months

Browse Similar Models by CategoryThis model belongs to: Epoxy

IntroductionTwo-component low-surface-preparation polyamide-cured epoxy aluminium-pigmented high-build paint

Key properties

Colour and gloss

Basic data at 10 °C (50 °F)

Parameters after mixing

Number of ComponentsTwo-component
Density1.5 kg/L (12.5 lb/US gal)
Volume solids80 ± 2%
VOC (as supplied)Maximum 150.0 g/kg (EU Directive 1999/13/EC, SED)

Maximum 225.0 g/L (approx. 1.9 lb/gal) (theoretical calculated value)

Recommended dry film thickness75–250 µm (3.0–10.0 mil) depending on the coating system requirements
Theoretical Spreading Rate6.4 m²/L at 125 µm (257 in²/US gal at 5.0 mils)
Touch Dry6 h
Recoat IntervalMinimum: 16 h; maximum: 3 months
Full cure time4 days
Storage shelf lifeBase: at least 24 months; store in a dry and cool environment

Curing agent: at least 24 months; store in a dry and cool environment

Notes

Recommended substrate condition and temperature

Atmospheric exposure environment

Immersion environment

cleaning to SPSS standard Pt3 grade.

Substrate temperature and application conditions

Instructions for use

Mixing ratio by volume: base : curing agent = 80 : 20

to a state suitable for site application.

Induction Time

Induction time after mixing

Mixed paint temperatureInduction Time
Below 10 °C (50 °F)30 min

Pot life after mixing

5 h Note: refer to supplementary parameters – pot life

Airless spray (single-feed pump)

Recommended thinnerThinner 91-92
Thinner quantity0–10%, depending on the required film thickness and application conditions
Nozzle tip sizeApprox. 0.46–0.53 mm (0.018–0.021 in)
Nozzle pressure20.0–25.0 MPa (approx. 200–250 atm; 2901–3626 psi)

Brush/roller

Recommended thinnerThinner 91-92
Thinner quantity0 - 5%
Cleaning solventThinner 90-53

Supplementary parameters

Film thickness and spreading rate

Dry Film ThicknessTheoretical Spreading Rate
75 µm (3.0 mils)10.7 m²/L (428 in²/US gal)
100 µm (4.0 mils)8.0 m²/L (321 in²/US gal)
125 µm (5.0 mils)6.4 m²/L (257 in²/US gal)
150 µm (6.0 mils)5.3 m²/L (214 in²/US gal)
200 µm (8.0 mils)4.0 m²/L (160 in²/US gal)

Overcoating interval schedule for a 125 µm (5.0 mil) dry film thickness: atmospheric exposure, dry conditions

Subsequent coat for recoatingRecoat interval–5°C (23°F)0°C (32°F)5°C (41°F)10°C (50°F)15°C (59°F)
Minimum recoat interval for two-component epoxy paint and polyurethane topcoat60 h36 h24 h16 h12 h
Maximum overcoating interval under sunlight exposure1 month
Not for sunlight-exposed environments3 months

Maximum recoat interval Note: after prolonged outdoor exposure, remove all contaminants and thoroughly sand and roughen the surface before painting; finally ensure the surface is dry and clean.

Curing time table for a coating at 125 µm (5.0 mils) dry film thickness

Substrate TemperatureSurface DryFully hard dryFully cured
-5 °C (23 °F)24 h48 h20 days
0 °C (32 °F)12 h24 h14 days
5 °C (41 °F)10 h20 h7 days
10 °C (50 °F)6 h16 h5 days
15 °C (59 °F)4 h12 h4 days

Note: ensure continuous, adequate ventilation during application and curing (see Safety Sheet 1433 and Information Sheet 1434). Pot life after mixing (at suitable application viscosity)

Mixed paint temperaturePot life after mixing
10 °C (50 °F)5 h
15 °C (59 °F)3 h

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.

The PPG Logo, Bringing innovation to the surface., and 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 PPG SIGMACOVER 620 LT have?
PPG SIGMACOVER 620 LT is a two-component product. Mix it in the ratio given in the Coating Data table on this page before use.
What dry film thickness is normally used for PPG SIGMACOVER 620 LT?
The typical dry film thickness of PPG SIGMACOVER 620 LT is 75-250 µm(3.0-10.0 mils); the final value depends on the coating system and design requirements.
What is the theoretical spreading rate of PPG SIGMACOVER 620 LT?
The theoretical spreading rate of PPG SIGMACOVER 620 LT is 6.4 m²/L; actual consumption depends on substrate roughness, application losses and colour hiding power.
What is the volume solids of PPG SIGMACOVER 620 LT?
The volume solids of PPG SIGMACOVER 620 LT is 80 ± 2%.
What is the VOC of PPG SIGMACOVER 620 LT?
The VOC of PPG SIGMACOVER 620 LT is 150.0 g/kg( Directive 1999/13….
Which thinner is used with PPG SIGMACOVER 620 LT?
The recommended thinner for PPG SIGMACOVER 620 LT is Thinner91-92.
Where can I buy PPG SIGMACOVER 620 LT?
RichTech Industrial Technology (Shanghai) Co., Ltd. distributes industrial and marine coatings; PPG PPG is one of our regularly stocked brands, with coating selection, system design and quantity calculation support. Address: 10F, Changhui Building, 799 Yinxiang Road, Jiading District, Shanghai, China. Tel: +86 21 5056 8299 (9:00–21:00).

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Packaging specifications and batch lead times are subject to actual availability. PleaseContact Uscontact us for project-based calculation.

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