Avian Black-S

Avian Black-S coating is a spray-on, two-part water-based urethane coating which exhibits low reflectance over a wide wavelength range.

The reflectance is <3.5% over most of the UV-Vis-NIR and approximately 3% or lower* over most of the range. The coating passes and exceeds Mil spec for live agents and durability. It is a low VOC coating (<1.8 lbs/gallon) and is non-flammable as applied.

The water-borne coating exhibits very low gloss and is very durable compared to most low-reflectance coatings. It is easily mixed and may be applied with standard spraying equipment. The coating may be applied over most primers. Typically a 3-4 mils thickness gives full opacity. Cleanup is easily done with water and detergent.

We offer Avian Black-S as either bulk coating or coating services. Bulk coating comes with preparation and coating instructions.

Avian Black-S 涂层是一种喷涂的双组分水基聚氨酯涂层，在很宽的波长范围内表现出低反射率。

反射率在大部分紫外-可见-近红外范围内<3.5%，在大部分范围内约3%或更低*。该涂层通过并超过了 Mil 关于活化剂和耐久性的规格。它是一种低VOC涂料（<1.8磅/加仑），应用时不易燃。

水性涂料表现出非常低的光泽度，与大多数低反射涂料相比，非常耐用。它很容易混合，可以用标准的喷涂设备进行施工。该涂料可以在大多数底漆上使用。一般来说，3-4密耳的厚度就可以完全不透明。用水和洗涤剂就可以很容易地进行清理。

我们提供Avian Black-S的散装涂层或涂层服务。散装涂料附有准备工作和涂料说明。

Typical 8°/Hemispherical Reflectance Data

Wavelength	Reflectance
2500	0.040
2400	0.038
2200	0.037
2000	0.035
1800	0.033
1600	0.031
1400	0.030
1200	0.029
1100	0.029
1000	0.029
900	0.030
800	0.032
700	0.032
600	0.031
500	0.031
400	0.032
300	0.034
250	0.040

Physical Properties

Gloss: 1%< @ 60°, <3.5% @ 85°
Flexibility: Pass 1/8″ Mandrel 180° bend
Viscosity: 70-75 KU
Pot Life: 4 hours
Coverage: calculator available on request
Air Quality: <1.8 lbs/gallon V.O.C.
Weathering: QUV >1000 hrs; Xenon Weatherometer >2000 hrs. no change
Chemical Resistance:
1. Water >168 hrs. immersion
2. Hydrocarbon TT-S-735 Type III: <168 hrs. immersion
3. 10% Acetic Acid: 1 hour spot

*More is Less: Reduce Reflectance with Thicker Application

In general, we recommend spraying Avian Black-S to an optimal thickness of approximately 4 mils (3-4 coats). This results in a very matte coating with reflectances of about 3% as noted above.

Our customers have found that they were able to decrease the coatings’ reflectance to around 2%R by adding more coats, and even further by spraying from a longer distance to get a rougher texture. Since the coating contains plenty of binder, applications that may appear to be overspray have very good adhesion properties.

We have successfully replicated this result. With seven coats (7 mils), the coating reflectance drops to 2.1-2.2%R in the NIR (2.5% in the visible). When sprayed from a distance of approximately 15 inches, the reflectance dropped to 2% in the visible and around 1.9%R in the NIR.

If your application requires a very low reflectance in a spray-on coating, and can tolerate a slightly thicker coating build, we recommend this spray method. Contact us for more information and recommendations for application.

一般来说，我们建议将 Avian Black-S 喷涂到约4密耳的最佳厚度（3-4层）。这将导致一个非常哑光的涂层，如上所述，反射率约为3%。

我们的客户发现，他们能够通过增加更多的涂层将涂层的反射率降低到2%R左右，甚至通过更远的距离喷涂来获得更粗糙的纹理。由于涂层含有大量的粘结剂，可能看起来是过喷的应用具有非常好的粘附性能。

我们已经成功地复制了这个结果。使用七层（7密耳），涂层的反射率在近红外中下降到2.1-2.2%R（可见光中为2.5%）。当从大约15英寸的距离喷洒时，反射率在可见光中降至2%，在近红外中约为1.9%R。

如果你的应用需要一个非常低的反射率的喷涂涂层，并且可以容忍一个稍厚的涂层构建，我们推荐这种喷涂方法。

联系我们以获得更多信息和应用建议。

Avian Black-S

Reflectance factor of Avian Black-S @ 7 mils thick

For technical information including application instructions, SDS, and ROHS statement, see the coatings help page.

產品規格

Avian-BKS-GAL	Avian Black-S Coating – 1.5 Gallon Kit
Avian-BKS-QT	Avian Black-S Coating – 1.5 Quart Kit
Custom	Custom products are our specialty! Contact us for more information.

Typical 8°/Hemispherical Reflectance Data

Physical Properties

*More is Less: Reduce Reflectance with Thicker Application

產品規格

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