Hempablade Putty 111

PRODUCT DATASHEET

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Product characteristics

Recommended use
Hempablade Putty 111 is specifically designed as geometry filler for wind turbine blades. The primary application areas for the filler are the leading and trailing edges of the blade, although the filler may also be applied to other areas of the blade surface as required.

Service temperature:

• Maximum, dry exposure only: 120°C [248°F].

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Product safety

Flash point
147°C [297°F]

VOC content mixed product

Legislation	Value
EU	3 g/L [0.03 lb/US gal]
US (coatings)	3 g/L [0.03 lb/US gal]
US (regulatory)	3 g/L [0.03 lb/US gal]
Canada	3 g/L [0.03 lb/US gal]
China	3 g/L [0.03 lb/US gal]
Hong Kong	3 g/L [0.03 lb/US gal]
Korea	3 g/L [0.03 lb/US gal]

According to specific legislation, see details in the Explanatory Notes available at Hempel website, hempel.com or at your local Hempel website.

Handling
Handle with care. Before and during use, observe safety labels on packaging and paint containers and follow all local and national safety regulations. Always consult Hempel’s Safety Data Sheet for this product along with the Product Data Sheet.
For professional use only.

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Product data

Product code
37100

Product components
Base 37109
Curing Agent 97000

Standard shade / code
Cream 20450

Gloss
Semi-gloss

Volume solids
100%

Specific gravity
1.2 kg/L [10 lb/US gal]

Reference dry film thickness
1000 micron [40 mils]

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Surface preparation

Cleanliness

• The surface must be dry and clean prior to application.

New build:

• A uniform anchoring profile should be achieved by suitable surface preparation method(s).
• Remove dust, loose material and any other contamination.
• The surface must be dry and clean prior to application.

Maintenance and Repair

• Remove oil, grease and other contaminants by suitable detergent cleaning.
• A uniform anchoring profile should be achieved by suitable surface preparation method(s).
• Feather edges to sound surrounding coating.
• Remove dust, loose material and any other contamination.
• The surface must be dry and clean prior to application.

Consult Hempel’s separate Surface Preparation Guidelines for more details.

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Application

Mixing ratio
Base 37109 : Curing Agent 97000 (3 : 1 by volume)
Thinning is not allowed. Stir well before use.

Thinner
No thinning

Cleaner
Hempel’s Thinner 08080

Pot life

Product temperature	Pot life
20°C [68°F]	6 min

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Film thickness

Specification range	Low	High	Recommended
Dry film thickness	200 micron [8.0 mils]	5000 micron [200 mils]	1000 micron [40 mils]
Wet film thickness	201 micron [8.0 mils]	5017 micron [201 mils]	1003 micron [40 mils]
Theoretical spreading rate	5 m²/L [204 sq ft/US gal]	0.2 m²/L [8 sq ft/US gal]	1 m²/L [41 sq ft/US gal]

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Application conditions

• To avoid condensation, apply on a clean and dry surface with a temperature that is at least 3°C [5°F] above the dew point.
• According to Hempel’s Specification.

Relative Humidity:

• Relative humidity must be in the range 30-85% during application.
• Relative humidity must be below 85% during drying and curing.

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Drying and overcoating

Product compatibility

• Previous coat: None.
• Subsequent coat: According to Hempel’s Specification.

Drying time

Surface temperature	Surface dry (min)	Through dry (min)	Ready to sand (hrs)	Fully cured (days)
20°C [68°F]	30	60	1¼	7

Determined for dry film thickness 1000 micron [40 mils] at standard conditions, see Hempel’s Explanatory Notes for details.

Overcoating
Consult Hempel’s specification for more information.

Drying conditions

• Condensation on the freshly applied coating should be avoided.

Overcoating details

• The surface must be dry and clean prior to application.
• According to Hempel’s Specification.

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Storage

Shelf life

Ambient temperature	Base	Curing Agent
25°C [77°F]	36 months	12 months

Shelf life from date of production, when stored in original, unopened containers. Thereafter, the product quality must be re-inspected.
Storage at elevated temperatures may reduce shelf life. For advice, please consult Hempel.

Storage conditions

• The curing agent is sensitive to moisture. Store in a dry place and keep the can tightly closed until use.
• In case shelf life is exceeded, the product must be re-evaluated before use. Please contact a Hempel representative.

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Carbon Footprint

Dry film thickness	1 µm	1 mil
GWP (Global Warming Potential)	4.4 g CO₂e/m²	0.023 lb CO₂e/ft²

The carbon footprint is for 1 square meter / square foot of surface area with a dry film thickness of 1 micron / mil.

The scope includes raw materials, in-bound transport to the Hempel factory, Hempel manufacturing processes, and any Volatile Organic Compounds emitted during and after the application of the product.

It is calculated based on the standard shade defined in this PDS.
Values may vary with shade.

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References

Product Data Sheet – Hempablade Putty 111
Issued by Hempel A/S – June 2025
Document Version: 4/4
Source: https://www.hempel.com

Technical Guidelines and Explanatory Notes
Last accessed: 28 May 2025
Reference link: https://www.hempel.com/service-and-support/technical-guidelines

Note: Always consult the latest version of the Product Data Sheet and associated documents directly from Hempel’s official website to ensure accuracy and compliance with the most current recommendations.