2 edition of Role of pigment concentration in the weathering of semitransparent stains found in the catalog.
Role of pigment concentration in the weathering of semitransparent stains
William C Feist
|Statement||William C. Feist|
|Contributions||Forest Products Laboratory (U.S.)|
|The Physical Object|
|Pagination||p. 41-44 :|
|Number of Pages||44|
Durable building paint job tips: How to prep walls & trim for painting Exterior Finishes on Wood: moisture, surface prep, paint choices, solid color stains, paint & stain application details, discoloration, semitransparent penetrating stains, clear & light-tint finishes, bleaching oils, unfinished siding & trim Questions & answers about surface preparation to assure a durable . A single coat of semi-transparent stain most affects light-colored, neutral tones. Dark and bright wood tones are less changed. You might be best served by buying small sizes of stain and testing the color on scrap pieces of your siding. The problem can be that a quart might be the smallest size available.
Modern Technology Of Paints, Varnishes & Lacquers (2nd Edition) by Niir Board, ISBN: , Rs. / US$. Clear and lightly pigmented finishes (such as semi-transparent stains) permit exposure of the wood surface to some ultraviolet (UV) light. As this light degrades the surface of the wood, the durability of the finish is decreased. The durability of wood stained with semitransparent stain parallels that of unstained wood. However, wood surfaces.
The aim of this study was to investigate effects of natural weathering on color stability of Scots pine (Pinus sylvestris L.) and Oriental beech (Fagus orientalis L.) impregnated with some chemicals [tanalith-E (TN-E), adolit-KD5 (AD-KD5), and chromated copper arsenate (CCA)] and then varnished [synthetic varnish (SV) and polyurethane varnish (PV)].Cited by: These stains add more color, while still showing the natural grain variation and wood color. Semi-transparent stains are available in a variety of colors, with an acrylic finish that is available in one or two coats.
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With a semitransparent stain, which illustrate the effect of pigment concentration. Adding percent iron oxide pigment to a linseed oil-based semitransparent stain formulation produced a semitransparent stain that re-duced the erosion rate of western redcedar by 31 percent and southern pine by 4 percent (Table 1).
The next. Get this from a library. Role of pigment concentration in the weathering of semitransparent stains. [William C Feist; Forest Products Laboratory (U.S.)]. Role of pigment concentration in the weathering of semitransparent stains.
Feist, W.C. Forest Prod. 38(2) (FPL, FPS) Weathering performance of finished southern pine plywood siding. Feist, W.C. Forest Prod. 38( (FPL, FPS) Effect of dilute acid on the accelerated weathering of wood. Weathering and Surface Protection of Wood.
ROLE OF PIGMENT CONCENTRATION IN THE WEATHERING OF SEMITRANSPARENT STAINS. These results show that higher amounts of pigment in a semitransparent. Generally, the greater the pigment concentration (that is, the greater the opacity), the greater is the protective role of the coating.1 Clear coating systems have become popular due to their ability to enhance the aesthetic properties of the wood.
Semi-transparent stains contain pigments that partially obscure the wood surface and hence they reduce the amount of light reaching the wood. At pigment concentrations of %, stains reduce wood erosion caused by weathering by 65%.Cited by: nas. Yellow Iron Oxides are know as Ochre, and it is this color that Germany derived it's Dunkelgelb color to paint it's pan-zers starting in Pigments are dry powders that when added to oils, binders, and thinners create paints and stains.
Now you that you know the background, the part we really care about is using it with our Size: KB. The higher values of ΔE for both treated and untreated samples were associated with the weathering cycle with the water spray step, suggesting that water plays an important role in the wood.
Feist W C, Role of pigment concentration in the weathering of semi-transparent stains’,Forest Prod J,38, (2), 41–44, CAS; Google ScholarCited by: An exterior stain job can last from 5 to 15 years, depending on your location, the work's exposure and the quality of the stain.
It's possible to stain over existing stain and much easier than painting over it. As long as you clean and prepare the surface properly, you can do another long-lasting stain job.
Solid-color stains are made with a higher concentration of pigment than are the semitransparent penetrating stains, but a somewhat lower concentration of pigment than that of standard paints.
As a result, solid-color stains obscure the natural wood color and grain, and they can also be applied over old paints or solid-color stains. Feist WC () Role of pigment concentration in the weathering of semitransparent stains.
For Prod J – CAS; Google ScholarCited by: 4. SureCrete's complete line of a water-based semi-transparent stain as well as acid stains. Concrete powder colorants included powder release, color additive, color hardener products and also iintegral color bags for coloring fresh ready mix new concrete pours.
The wood cell walls and the distribution of the resin and pigment were clearly visualized at the same time. It was concluded that confocal Raman microscopy is suitable for the evaluation of the microdistribution of wood coatings, providing valuable information for the improvement of wood coating by: 1.
The Semi-Transparent stains have a high pigment loading as opposed to the Transparent stains, providing a “hiding” effect, hence the term Semi-Transparent. Transparent stains use expensive Trans-Oxide pigments which have been known to block U.V.
light as well and allow for the “transparent” look, but have limitations due to the lower. Stains are divided in three different categories: transparent, semi-transparent, and solid colour stains.
Transparent or clear stains either do not contain any pigment or contain nanopigments. Because clear stains do not have any pigment they need other types of UV stabilizer or blocker to be able to protect the wood from UV : Mojgan Nejad, Paul Cooper.
with a lower pigment concentration to allow textures to show through. They perform similarly to paints but require more frequent maintenance. Semitransparent stains provide much less protection from both moisture and light, and must be reapplied more frequently than the paints and heavier stains.
However, surface preparation and. Pigment Volume Concentration (PVC) Looking past refractive index as a main cause, a more promising possibility is that the changes are driven by differences in the Pigment Volume Concentration (PVC), defined as the ratio of the volume of the pigment divided by the volume of both pigment and binder together.
pigment concentration, binder system, and additives may affect the ability of a finish to prevent release of CCA components.
One report indicated that a clear water repellent finish greatly decreased CCA release from fencing (13). Even after 2 years, arsenic concentration in. Semitransparent stain provides a color without entirely concealing the color, grain, and texture of the wood.
Stains with the highest pigment concentration. FINISHING WESTERN RED CEDAR SIDING - CLEARS, SEMI-TRANSPARENT STAINS, BLEACHING OILS By William C.
Feist. Quite often Western Red Cedar (call it “cedar” for short) users prefer a finish that preserves the natural color and appearance of cedar. However, there is no easy way to maintain the natural.The book deals with fundamentals of paints, Varnishes and lacquers, pigments, Oils used in paints and varnishes, solvents, dryers, plasticizers, additives for surface coating, various types of paint manufacturing.
Role of pigment concentration in the weathering of semitransparent stains. Forest Prod J. Forsthuber, B. and G. Grull. The effects of HALS in the prevention of photo-degradation of acrylic clear topcoats and .