Hempablade Pore 141

PRODUCT DATASHEET

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Product characteristics

Description
Hempablade Pore 141 is a two-component, solvent-free light filler with fast drying and long workable times. It is intended to seal any surface, fill pinholes or fix minor defects on wind turbine rotor blades. Delivered in cartridges for easy and flexible application.

Recommended use
It is recommended for effectively closing pores and correcting of minor imperfections on the surface of substrates, primers and fillers before applying finishing coatings in wind turbine blades coating systems.

Features

• Excellent correction of imperfections, such as pinholes
• Long working time
• Fast curing
• Easy to sand

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Product safety

Flash point
133°C [272°F]

VOC content mixed product

Legislation	Value
EU	17 g/L [0.14 lb/US gal]
US (coatings)	17 g/L [0.14 lb/US gal]
US (regulatory)	17 g/L [0.14 lb/US gal]
China	17 g/L [0.14 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
37103

Product components
Base 37107
Curing Agent 97001

Standard shade / code
Light blue 36641

Gloss
Semi-gloss

Volume solids
99 ± 1%

Specific gravity
1.5 kg/L [13 lb/US gal]

Reference dry film thickness
75 micron [3.0 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).
• 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 37107 : Curing Agent 97001
(2 : 1 by volume)

Thinner
No thinning

Cleaner
Hempel’s Thinner 08080

Pot life

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

Application method

Tool	Application parameters
Putty knife	Not Applicable.

Use the product to fill defects on the surface and scrape off all surplus material.

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Film thickness

Specification range	Low	High	Recommended
Dry film thickness	50 micron [2.0 mils]	150 micron [6.0 mils]	75 micron [3.0 mils]
Wet film thickness	50 micron [2.0 mils]	151 micron [6.0 mils]	76 micron [3.0 mils]
Theoretical spreading rate	20 m²/L [815 sq ft/US gal]	6.6 m²/L [269 sq ft/US gal]	13 m²/L [530 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.
• Surface temperature must be above 5°C [41°F] during application and curing.
• Surface temperature must be below 35°C [95°F] during application and curing.

Relative Humidity:

• Relative humidity must be below 80% during application.
• Relative humidity must be below 80% during curing.

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Drying and overcoating

Product compatibility

• Previous coat: According to Hempel’s Specification.
• Subsequent coat: According to Hempel’s Specification.

Drying time

Surface temperature	Touch dry min	Through dry min	Fully cured days
23°C [73°F]	20	60	7

Determined for dry film thickness 75 micron [3.0 mils] at standard conditions, see Hempel’s Explanatory Notes for details.

Overcoating
Consult Hempel’s specification for more information.

Overcoating details

• To ensure good inter-coat adhesion, surface roughening is always necessary prior to overcoating, except in case of wet-in-wet overcoating with itself.
• The surface must be clean before overcoating.
• According to Hempel’s Specification.

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Storage

Shelf life

Ambient temperature	Base	Curing Agent
25°C [77°F]	12 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)	6.6 g CO₂e/m²	0.034 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 Pore 141
Issued by Hempel A/S – April 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.