#lightfastness search results

⛲錆びた没食子インク⛲ Window test: May 2022 nearly 18 months ago. Diamine Registrar's Ink irongall blue-black has faded brown, the iron component has literally rusted on the paper! #lightfast #ferrogallic #lightfastness @WingsofMagic1 @TIMOTHYJOHNART @Plantjunkie2 @ClaRosignoli

ZadenZane's tweet image. ⛲錆びた没食子インク⛲
Window test: May 2022 nearly 18 months ago. Diamine Registrar's Ink irongall blue-black has faded brown, the iron component has literally rusted on the paper!

#lightfast #ferrogallic #lightfastness
@WingsofMagic1 @TIMOTHYJOHNART @Plantjunkie2 @ClaRosignoli

JNM-UV sunfastness enhancer is composed of heterocyclic compounds and is suitable for improving the sunfastness of various natural and chemical fibers. #SunfastnessEnhancer #UVProtection #Lightfastness #NaturalFibers #ChemicalFibers #TextileFinishing #JNM_UV #U_CAN #fyp

liende000's tweet image. JNM-UV sunfastness enhancer is composed of heterocyclic compounds and is suitable for improving the sunfastness of various natural and chemical fibers.
#SunfastnessEnhancer #UVProtection #Lightfastness #NaturalFibers #ChemicalFibers #TextileFinishing #JNM_UV #U_CAN #fyp

🖌️色々🖌️ I looked up some paint pigments and found out that PY1 and PY3 are both #AzoDyes, not #pigments with #lightfastness good but not excellent (packaging gives same +++ rating to PY3 as Mars black―PBK11! Are pigments really so much better than #dyes? What is the difference?

ZadenZane's tweet image. 🖌️色々🖌️
I looked up some paint pigments and found out that PY1 and PY3 are both #AzoDyes, not #pigments with #lightfastness good but not excellent (packaging gives same +++ rating to PY3 as Mars black―PBK11! Are pigments really so much better than #dyes? What is the difference?
ZadenZane's tweet image. 🖌️色々🖌️
I looked up some paint pigments and found out that PY1 and PY3 are both #AzoDyes, not #pigments with #lightfastness good but not excellent (packaging gives same +++ rating to PY3 as Mars black―PBK11! Are pigments really so much better than #dyes? What is the difference?

Light fastness improver HT-RL can Improve the UV resistance grade of treated fabrics, light fastness to sunlight and perspiration of reactive, direct, disperse, acid, vat dyes and other dyed fabrics, and have certain washing resistance. #lightfastness #perspiration

HonghaoChemical's tweet image. Light fastness improver HT-RL can Improve the UV resistance grade of treated fabrics, light fastness to sunlight and perspiration of reactive, direct, disperse, acid, vat dyes and other dyed fabrics, and have certain washing resistance.

#lightfastness #perspiration

Found my #fluorescent paint #lightfastness tests in the window from March. Purple has almost disappeared, green is on the way out. I scribbled every pen & ink I could find. Blue and green fountain pen ink is disappearing. Black Bic ballpoint has gone. In just 15 weeks! #lightfast

ZadenZane's tweet image. Found my #fluorescent paint #lightfastness tests in the window from March. Purple has almost disappeared, green is on the way out. I scribbled every pen & ink I could find. Blue and green fountain pen ink is disappearing. Black Bic ballpoint has gone. In just 15 weeks!
#lightfast
ZadenZane's tweet image. Found my #fluorescent paint #lightfastness tests in the window from March. Purple has almost disappeared, green is on the way out. I scribbled every pen & ink I could find. Blue and green fountain pen ink is disappearing. Black Bic ballpoint has gone. In just 15 weeks!
#lightfast

𝗝𝗔𝗞𝗔𝗭𝗢𝗟®𝗖𝗘  A modified Hetero bi-functional reactive dyes with good build up for all depth. A solution to overcome re-processing.🟦🟧🟨🟥⬛ #polyfunctionaldyes #heterobifunctionaldyes #lightfastness #solubility #perspiration #darker #shades #fabrics #acidic #alkaline

jcilindia's tweet image. 𝗝𝗔𝗞𝗔𝗭𝗢𝗟®𝗖𝗘  A modified Hetero bi-functional reactive dyes with good build up for all depth. A solution to overcome re-processing.🟦🟧🟨🟥⬛

#polyfunctionaldyes #heterobifunctionaldyes #lightfastness #solubility #perspiration #darker #shades #fabrics #acidic #alkaline

Wondering why some mosaic materials fade and others stay vibrant? It’s all about lightfastness! Let’s explore the science behind color stability. What’s your experience with material durability? Share your thoughts! #MosaicArt #Lightfastness chicmozaic.com


The excellent substantively, Solubility, wet fastness, Light fastness, washing fastness, ankitind.com #Manufacturer #Costeffective #Lightfastness #ExcellentSolubility #solubility

ankit_black's tweet image. The excellent substantively, Solubility, wet fastness, Light fastness, washing fastness,
ankitind.com
#Manufacturer 
#Costeffective
#Lightfastness
#ExcellentSolubility
#solubility

Case Study: Faster, smarter #lightfastness testing – helping brands show their true colours - hubs.ly/H0bDqjh0

JamesHHeal's tweet image. Case Study: Faster, smarter #lightfastness testing – helping brands show their true colours  - hubs.ly/H0bDqjh0

💘 Happy valentine's Day 💘 Tru love never fades... ... even using our TruFade Light Fastness Tester. Check our our Trufade Xenon Arc Light Fastness Tester, now with onboard weathering > hubs.la/Q01Cg8jg0 #ColourFastness #LightFastness #Textiles


▪️Product focus - TruFade Light Fastness Tester▪️ Todays product focus is TruFade, our Xenon Arc Light Fastness Tester, complete with onboard weathering. Discover TruFade on our website > hubs.la/Q01zjCSZ0 #lightfastness #textiles #leather #operatingsoftware

JamesHHeal's tweet image. ▪️Product focus - TruFade Light Fastness Tester▪️

Todays product focus is TruFade, our Xenon Arc Light Fastness Tester, complete with onboard weathering.

Discover TruFade on our website >
hubs.la/Q01zjCSZ0

#lightfastness #textiles #leather #operatingsoftware

A simple guide to Light fastness testing: helping brands show their true colours goo.gl/qzfYYU #Lightfastness #Colourfastness #BlueWools

JamesHHeal's tweet image. A simple guide to Light fastness testing: helping brands show their true colours goo.gl/qzfYYU #Lightfastness #Colourfastness #BlueWools

*Week 2 update* Almost all the 5 rated (worst) are showing signs of fading. Left sample is covered, centre exposed and right exposed with a UV fixative. #prismacolour #prismacolourpremier #lightfastness #drawing #pencil

keiron_roberts's tweet image. *Week 2 update*
Almost all the 5 rated (worst) are showing signs of fading.
Left sample is covered, centre exposed  and right exposed with a UV fixative.
#prismacolour #prismacolourpremier #lightfastness #drawing #pencil

"For many years, ‘Blue Wool light fastness reference standards’ have been used to indicate the end of test exposure and for grading purposes." goo.gl/qzfYYU #Lightfastness #Colourfastness #BlueWools

JamesHHeal's tweet image. "For many years, ‘Blue Wool light fastness reference standards’ have been used to indicate the end of test exposure and for grading purposes." goo.gl/qzfYYU #Lightfastness #Colourfastness #BlueWools

JNM-UV sunfastness enhancer is composed of heterocyclic compounds and is suitable for improving the sunfastness of various natural and chemical fibers. #SunfastnessEnhancer #UVProtection #Lightfastness #NaturalFibers #ChemicalFibers #TextileFinishing #JNM_UV #U_CAN #fyp

liende000's tweet image. JNM-UV sunfastness enhancer is composed of heterocyclic compounds and is suitable for improving the sunfastness of various natural and chemical fibers.
#SunfastnessEnhancer #UVProtection #Lightfastness #NaturalFibers #ChemicalFibers #TextileFinishing #JNM_UV #U_CAN #fyp

Wondering why some mosaic materials fade and others stay vibrant? It’s all about lightfastness! Let’s explore the science behind color stability. What’s your experience with material durability? Share your thoughts! #MosaicArt #Lightfastness chicmozaic.com


🌈✨ Curious why some mosaic materials fade while others last? Welcome to lightfastness! 🔍🖼️ Discover how UV rays affect your art and learn which materials endure over time! #MosaicArt #Lightfastness #ArtTips chicmozaic.com


𝗝𝗔𝗞𝗔𝗭𝗢𝗟®𝗖𝗘  A modified Hetero bi-functional reactive dyes with good build up for all depth. A solution to overcome re-processing.🟦🟧🟨🟥⬛ #polyfunctionaldyes #heterobifunctionaldyes #lightfastness #solubility #perspiration #darker #shades #fabrics #acidic #alkaline

jcilindia's tweet image. 𝗝𝗔𝗞𝗔𝗭𝗢𝗟®𝗖𝗘  A modified Hetero bi-functional reactive dyes with good build up for all depth. A solution to overcome re-processing.🟦🟧🟨🟥⬛

#polyfunctionaldyes #heterobifunctionaldyes #lightfastness #solubility #perspiration #darker #shades #fabrics #acidic #alkaline

Discover the latest insights on the global Light Fastness Improver market! Valued at $869M in 2023, it's projected to hit $1147.9M by 2030 with a 4.1% CAGR. Read more: reports.valuates.com/market-reports… #LightFastness #TextileDurability #ColorIntegrity #SustainableTextiles

akshaypunja's tweet image. Discover the latest insights on the global Light Fastness Improver market! Valued at $869M in 2023, it's projected to hit $1147.9M by 2030 with a 4.1% CAGR. Read more: reports.valuates.com/market-reports… #LightFastness #TextileDurability #ColorIntegrity #SustainableTextiles

Found my #fluorescent paint #lightfastness tests in the window from March. Purple has almost disappeared, green is on the way out. I scribbled every pen & ink I could find. Blue and green fountain pen ink is disappearing. Black Bic ballpoint has gone. In just 15 weeks! #lightfast

ZadenZane's tweet image. Found my #fluorescent paint #lightfastness tests in the window from March. Purple has almost disappeared, green is on the way out. I scribbled every pen & ink I could find. Blue and green fountain pen ink is disappearing. Black Bic ballpoint has gone. In just 15 weeks!
#lightfast
ZadenZane's tweet image. Found my #fluorescent paint #lightfastness tests in the window from March. Purple has almost disappeared, green is on the way out. I scribbled every pen & ink I could find. Blue and green fountain pen ink is disappearing. Black Bic ballpoint has gone. In just 15 weeks!
#lightfast

Light fastness improver HT-RL can Improve the UV resistance grade of treated fabrics, light fastness to sunlight and perspiration of reactive, direct, disperse, acid, vat dyes and other dyed fabrics, and have certain washing resistance. #lightfastness #perspiration

HonghaoChemical's tweet image. Light fastness improver HT-RL can Improve the UV resistance grade of treated fabrics, light fastness to sunlight and perspiration of reactive, direct, disperse, acid, vat dyes and other dyed fabrics, and have certain washing resistance.

#lightfastness #perspiration

Light fastness refers to the ability of a material or substance to resist fading or discolouration when exposed to light over time and Our Laminate sheet is Made with this feature. #lightfastness #makerslaminate #discolouration #laminatesheet #hplsheet #contactus

MakersLaminate's tweet image. Light fastness refers to the ability of a material or substance to resist fading or discolouration when exposed to light over time and Our Laminate sheet is Made with this feature. 

#lightfastness #makerslaminate #discolouration #laminatesheet #hplsheet #contactus

⛲錆びた没食子インク⛲ Window test: May 2022 nearly 18 months ago. Diamine Registrar's Ink irongall blue-black has faded brown, the iron component has literally rusted on the paper! #lightfast #ferrogallic #lightfastness @WingsofMagic1 @TIMOTHYJOHNART @Plantjunkie2 @ClaRosignoli

ZadenZane's tweet image. ⛲錆びた没食子インク⛲
Window test: May 2022 nearly 18 months ago. Diamine Registrar's Ink irongall blue-black has faded brown, the iron component has literally rusted on the paper!

#lightfast #ferrogallic #lightfastness
@WingsofMagic1 @TIMOTHYJOHNART @Plantjunkie2 @ClaRosignoli

🖌️色々🖌️ I looked up some paint pigments and found out that PY1 and PY3 are both #AzoDyes, not #pigments with #lightfastness good but not excellent (packaging gives same +++ rating to PY3 as Mars black―PBK11! Are pigments really so much better than #dyes? What is the difference?

ZadenZane's tweet image. 🖌️色々🖌️
I looked up some paint pigments and found out that PY1 and PY3 are both #AzoDyes, not #pigments with #lightfastness good but not excellent (packaging gives same +++ rating to PY3 as Mars black―PBK11! Are pigments really so much better than #dyes? What is the difference?
ZadenZane's tweet image. 🖌️色々🖌️
I looked up some paint pigments and found out that PY1 and PY3 are both #AzoDyes, not #pigments with #lightfastness good but not excellent (packaging gives same +++ rating to PY3 as Mars black―PBK11! Are pigments really so much better than #dyes? What is the difference?

💘 Happy valentine's Day 💘 Tru love never fades... ... even using our TruFade Light Fastness Tester. Check our our Trufade Xenon Arc Light Fastness Tester, now with onboard weathering > hubs.la/Q01Cg8jg0 #ColourFastness #LightFastness #Textiles


▪️Product focus - TruFade Light Fastness Tester▪️ Todays product focus is TruFade, our Xenon Arc Light Fastness Tester, complete with onboard weathering. Discover TruFade on our website > hubs.la/Q01zjCSZ0 #lightfastness #textiles #leather #operatingsoftware

JamesHHeal's tweet image. ▪️Product focus - TruFade Light Fastness Tester▪️

Todays product focus is TruFade, our Xenon Arc Light Fastness Tester, complete with onboard weathering.

Discover TruFade on our website >
hubs.la/Q01zjCSZ0

#lightfastness #textiles #leather #operatingsoftware

"Just to remind you: This week we will talk in our free WEBseminar about ""color control and NEW prediction of color stability"". #colorcontrol #lightfastness #colorstability #fluorescence #fluorimeter #colormeter #bykgardner" byk-instruments.com/webseminar-col…

BykInstruments's tweet image. "Just to remind you: This week we will talk in our  free WEBseminar about ""color control and NEW prediction of color stability"".
#colorcontrol #lightfastness #colorstability #fluorescence #fluorimeter #colormeter #bykgardner"
byk-instruments.com/webseminar-col…

Instrument focus: TruFade Our TruFade is a Xenon Arc Light Fastness Tester, integrated with our user-friendly TestWise Touch™. For information on TruFade, visit our website > hubs.la/Q01rpbMD0 #lightfastness #colour #fastness #textiles

JamesHHeal's tweet image. Instrument focus: TruFade 

Our TruFade is a Xenon Arc Light Fastness Tester, integrated with our user-friendly TestWise Touch™. 

For information on TruFade, visit our website >
hubs.la/Q01rpbMD0

#lightfastness #colour #fastness #textiles

Our coated fabrics don’t fade in sunlight, thanks to vinyl’s durability. See Association for Contract Textiles (ACT) for more on colorfast textiles. #lightfastness #contracttextile #performancefabric#actfacts #acticons #actwithtextiles #actwithperformance bit.ly/3dLUeBX


Why Trioflor SPC floor coverings are still beautiful after many years? Trioflor SPC flooring reaches light fastness level 6, which keeps the shade of the floor lasting as new. #lightfastness #SPCFlooring #spcfloor #waterproofflooring #rigidcoreflooring #flooring #floor

verachen0101's tweet image. Why Trioflor SPC floor coverings are still beautiful after many years?
Trioflor SPC flooring reaches light fastness level 6, which keeps the shade of the floor lasting as new.
#lightfastness #SPCFlooring #spcfloor #waterproofflooring #rigidcoreflooring #flooring #floor

Product focus: TruFade Xenon Arc light fastness tester, with onboard weathering. This video highlights some of the key features of our TruFade light fastness tester. Find out more at James Heal > hubs.ly/Q012CFZD0 #LightFastness #TexilesTesting #XenonArc


*Week 3 update* Really sunny and hot week in the UK. All the 5 rated are now fading, with some of the 4 starting to show signs (reds). @PrismacolorUS #prismacolour #prismacolourpremier #lightfastness #pencil #drawing

keiron_roberts's tweet image. *Week 3 update*
Really sunny and hot week in the UK.
All the 5 rated are now fading, with some of the 4 starting to show signs (reds).
@PrismacolorUS
#prismacolour #prismacolourpremier #lightfastness #pencil #drawing

🖌️色々🖌️ I looked up some paint pigments and found out that PY1 and PY3 are both #AzoDyes, not #pigments with #lightfastness good but not excellent (packaging gives same +++ rating to PY3 as Mars black―PBK11! Are pigments really so much better than #dyes? What is the difference?

ZadenZane's tweet image. 🖌️色々🖌️
I looked up some paint pigments and found out that PY1 and PY3 are both #AzoDyes, not #pigments with #lightfastness good but not excellent (packaging gives same +++ rating to PY3 as Mars black―PBK11! Are pigments really so much better than #dyes? What is the difference?
ZadenZane's tweet image. 🖌️色々🖌️
I looked up some paint pigments and found out that PY1 and PY3 are both #AzoDyes, not #pigments with #lightfastness good but not excellent (packaging gives same +++ rating to PY3 as Mars black―PBK11! Are pigments really so much better than #dyes? What is the difference?

⛲錆びた没食子インク⛲ Window test: May 2022 nearly 18 months ago. Diamine Registrar's Ink irongall blue-black has faded brown, the iron component has literally rusted on the paper! #lightfast #ferrogallic #lightfastness @WingsofMagic1 @TIMOTHYJOHNART @Plantjunkie2 @ClaRosignoli

ZadenZane's tweet image. ⛲錆びた没食子インク⛲
Window test: May 2022 nearly 18 months ago. Diamine Registrar's Ink irongall blue-black has faded brown, the iron component has literally rusted on the paper!

#lightfast #ferrogallic #lightfastness
@WingsofMagic1 @TIMOTHYJOHNART @Plantjunkie2 @ClaRosignoli

𝗝𝗔𝗞𝗔𝗭𝗢𝗟®𝗖𝗘  A modified Hetero bi-functional reactive dyes with good build up for all depth. A solution to overcome re-processing.🟦🟧🟨🟥⬛ #polyfunctionaldyes #heterobifunctionaldyes #lightfastness #solubility #perspiration #darker #shades #fabrics #acidic #alkaline

jcilindia's tweet image. 𝗝𝗔𝗞𝗔𝗭𝗢𝗟®𝗖𝗘  A modified Hetero bi-functional reactive dyes with good build up for all depth. A solution to overcome re-processing.🟦🟧🟨🟥⬛

#polyfunctionaldyes #heterobifunctionaldyes #lightfastness #solubility #perspiration #darker #shades #fabrics #acidic #alkaline

A little something we wrote recently: A simple guide to Light fastness testing: helping brands show their true colours goo.gl/qzfYYU #Lightfastness #Colourfastness #BlueWools

JamesHHeal's tweet image. A little something we wrote recently: A simple guide to Light fastness testing: helping brands show their true colours goo.gl/qzfYYU #Lightfastness #Colourfastness #BlueWools

Case Study: Faster, smarter #lightfastness testing – helping brands show their true colours - hubs.ly/H0bDqjh0

JamesHHeal's tweet image. Case Study: Faster, smarter #lightfastness testing – helping brands show their true colours  - hubs.ly/H0bDqjh0

Meghmani's #Violet23 is a versatile pigment that delivers high-grade coating with excellent #LightFastness & #HeatResistance for all kinds of #Plastic. To know more, please visit: bit.ly/MeghmaniPigmen… #Meghmani #MeghmaniPigments #Pigments #PigmentProperties #PlasticIndustry

Meghmani5's tweet image. Meghmani's #Violet23 is a versatile pigment that delivers high-grade coating with excellent #LightFastness & #HeatResistance for all kinds of #Plastic.

To know more, please visit: bit.ly/MeghmaniPigmen…

#Meghmani #MeghmaniPigments #Pigments #PigmentProperties #PlasticIndustry

A simple guide to Light fastness testing: helping brands show their true colours goo.gl/qzfYYU #Lightfastness #Colourfastness #BlueWools

JamesHHeal's tweet image. A simple guide to Light fastness testing: helping brands show their true colours goo.gl/qzfYYU #Lightfastness #Colourfastness #BlueWools

"For many years, ‘Blue Wool light fastness reference standards’ have been used to indicate the end of test exposure and for grading purposes." goo.gl/qzfYYU #Lightfastness #Colourfastness #BlueWools

JamesHHeal's tweet image. "For many years, ‘Blue Wool light fastness reference standards’ have been used to indicate the end of test exposure and for grading purposes." goo.gl/qzfYYU #Lightfastness #Colourfastness #BlueWools

Found my #fluorescent paint #lightfastness tests in the window from March. Purple has almost disappeared, green is on the way out. I scribbled every pen & ink I could find. Blue and green fountain pen ink is disappearing. Black Bic ballpoint has gone. In just 15 weeks! #lightfast

ZadenZane's tweet image. Found my #fluorescent paint #lightfastness tests in the window from March. Purple has almost disappeared, green is on the way out. I scribbled every pen & ink I could find. Blue and green fountain pen ink is disappearing. Black Bic ballpoint has gone. In just 15 weeks!
#lightfast
ZadenZane's tweet image. Found my #fluorescent paint #lightfastness tests in the window from March. Purple has almost disappeared, green is on the way out. I scribbled every pen & ink I could find. Blue and green fountain pen ink is disappearing. Black Bic ballpoint has gone. In just 15 weeks!
#lightfast

▪️Product focus - TruFade Light Fastness Tester▪️ Todays product focus is TruFade, our Xenon Arc Light Fastness Tester, complete with onboard weathering. Discover TruFade on our website > hubs.la/Q01zjCSZ0 #lightfastness #textiles #leather #operatingsoftware

JamesHHeal's tweet image. ▪️Product focus - TruFade Light Fastness Tester▪️

Todays product focus is TruFade, our Xenon Arc Light Fastness Tester, complete with onboard weathering.

Discover TruFade on our website >
hubs.la/Q01zjCSZ0

#lightfastness #textiles #leather #operatingsoftware

Discover the latest insights on the global Light Fastness Improver market! Valued at $869M in 2023, it's projected to hit $1147.9M by 2030 with a 4.1% CAGR. Read more: reports.valuates.com/market-reports… #LightFastness #TextileDurability #ColorIntegrity #SustainableTextiles

akshaypunja's tweet image. Discover the latest insights on the global Light Fastness Improver market! Valued at $869M in 2023, it's projected to hit $1147.9M by 2030 with a 4.1% CAGR. Read more: reports.valuates.com/market-reports… #LightFastness #TextileDurability #ColorIntegrity #SustainableTextiles

Instrument focus: TruFade Our TruFade is a Xenon Arc Light Fastness Tester, integrated with our user-friendly TestWise Touch™. For information on TruFade, visit our website > hubs.la/Q01rpbMD0 #lightfastness #colour #fastness #textiles

JamesHHeal's tweet image. Instrument focus: TruFade 

Our TruFade is a Xenon Arc Light Fastness Tester, integrated with our user-friendly TestWise Touch™. 

For information on TruFade, visit our website >
hubs.la/Q01rpbMD0

#lightfastness #colour #fastness #textiles

Why Trioflor SPC floor coverings are still beautiful after many years? Trioflor SPC flooring reaches light fastness level 6, which keeps the shade of the floor lasting as new. #lightfastness #SPCFlooring #spcfloor #waterproofflooring #rigidcoreflooring #flooring #floor

verachen0101's tweet image. Why Trioflor SPC floor coverings are still beautiful after many years?
Trioflor SPC flooring reaches light fastness level 6, which keeps the shade of the floor lasting as new.
#lightfastness #SPCFlooring #spcfloor #waterproofflooring #rigidcoreflooring #flooring #floor

#AATCC Products: 38615B: 5 #AFU #Lightfastness Package A complete #package for performing 5 AFU lightfastness tests. Includes #Blue #Wool Lightfastness Standard and 5 AFU Standard of #Fade to determine #test end point. members.aatcc.org/store/5afupkg/…

AATCC's tweet image. #AATCC Products: 38615B: 5 #AFU #Lightfastness Package
A complete #package for performing 5 AFU lightfastness tests. Includes #Blue #Wool Lightfastness Standard and 5 AFU Standard of #Fade to determine #test end point.
members.aatcc.org/store/5afupkg/…

Controversial view: fugitive pigments have their place and you can’t keep me from @winsorandnewton Opera Pink 😘 #lightfastness

laurakfinnegan's tweet image. Controversial view: fugitive pigments have their place and you can’t keep me from @winsorandnewton Opera Pink 😘 #lightfastness

*Week 2 update* Almost all the 5 rated (worst) are showing signs of fading. Left sample is covered, centre exposed and right exposed with a UV fixative. #prismacolour #prismacolourpremier #lightfastness #drawing #pencil

keiron_roberts's tweet image. *Week 2 update*
Almost all the 5 rated (worst) are showing signs of fading.
Left sample is covered, centre exposed  and right exposed with a UV fixative.
#prismacolour #prismacolourpremier #lightfastness #drawing #pencil

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