Mountain View Carpet Care
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- Joined
- Apr 4, 2007
- Messages
- 1,085
Cures?
Butylated Hydroxy Toluene yellowing
- Thread starter Mountain View Carpet Care
- Start date
KevinL
Supportive Member
On what? If it's on your skin go to hospital asap.
Mikey P
Administrator
Details...
Barry-QDCC
Supportive Member
under area rugs?
Mountain View Carpet Care
Member
- Joined
- Apr 4, 2007
- Messages
- 1,085
Under rugs that had a latex backing.
Mikey P
Administrator
Orange juice
Papa John
Lifetime Supportive Member
yeah-- is there a cure for this yet?-- citric acid didn't work when I tried it.
Mikey P
Administrator
Sodium Bisulfate works a lot of the time
Also used as an OJ perservative
Also used as an OJ perservative
Mountain View Carpet Care
Member
- Joined
- Apr 4, 2007
- Messages
- 1,085
So red one or vinegar spray it on and leave it?
Vinegar works most times - Spray on, let dwell and it disappears in most circumstances.
Pat Muller
Member
Citric acid is the quickest cure
Barry-QDCC
Supportive Member
Yellow Stains Under Area Rugs
Many of our carpet cleaning customers have discovered that If you've moved your bathroom throw rug and found a yellow stain on the carpet or the vinyl/wood flooring, you've also discovered firsthand that nothing will remedy the situation. That is the bad news. The good news is that once you know what causes the yellowing, you will never have to have it happen in your home again.
Check the label on the bath rug. If rubber or latex -- or isoprene or elastomers -- is a component ingredient, don’t use it. This is the rubbery backing on area rugs, typically white, that prevents the rug from slipping on the floor.
Carpet & pad manufactures use BHT just like processed food manufacturers use it - as a preservative - to preserve latex backings, urethanes in pad/cushion. The BHT off-gases and gets trapped under the impermeable membrane of the rubber backed rugs turning the carpet fibers yellow. More noticeable with light colored carpets.
It even occurs under with beds & sofas with skirts around them, trapping BHT; esp noticeable sitting on light colored carpet.
So unfortunately, rubber, latex, isoprene or the elastomers and the vinyl flooring don’t react well together -- the chemical reaction can cause the carpet fibers or vinyl to yellow. There is no fix for this; the coloring is permanent, so prevention is the best defense.
How To Prevent Yellow Stains Under Area Rugs
Step 1
Move the rug off the floor when it's not in use. Leave these rugs on the floor as little as possible. Make sure the floor is dry when the rug is in place. Don't use the rug at all if the latex backing is crumbling or disintegrating.
Step 2
Keep sunlight off the floor. Sunlight may cause the area around the rug to change color, creating a shadow where the rug normally lies. Blackout blinds and drapes will help prevent the problem, but even indirect light can affect the carpet, wood or engineered wood floors.
Step 3
Apply a new back to the rug. Cut a piece of mesh gripper fabric in the same shape and size as the rug, and apply it to the back of the rug. Either hand sew or use two-sided carpet tape. Make sure the mesh gripper fabric does not contain latex or rubber.
Step 4
Attach a ready-made carpet pad to the underside of the rug, or cut one to fit. Hand-sew it in place, or use two-sided carpet tape.
Many of our carpet cleaning customers have discovered that If you've moved your bathroom throw rug and found a yellow stain on the carpet or the vinyl/wood flooring, you've also discovered firsthand that nothing will remedy the situation. That is the bad news. The good news is that once you know what causes the yellowing, you will never have to have it happen in your home again.
Check the label on the bath rug. If rubber or latex -- or isoprene or elastomers -- is a component ingredient, don’t use it. This is the rubbery backing on area rugs, typically white, that prevents the rug from slipping on the floor.
Carpet & pad manufactures use BHT just like processed food manufacturers use it - as a preservative - to preserve latex backings, urethanes in pad/cushion. The BHT off-gases and gets trapped under the impermeable membrane of the rubber backed rugs turning the carpet fibers yellow. More noticeable with light colored carpets.
It even occurs under with beds & sofas with skirts around them, trapping BHT; esp noticeable sitting on light colored carpet.
So unfortunately, rubber, latex, isoprene or the elastomers and the vinyl flooring don’t react well together -- the chemical reaction can cause the carpet fibers or vinyl to yellow. There is no fix for this; the coloring is permanent, so prevention is the best defense.
How To Prevent Yellow Stains Under Area Rugs
Step 1
Move the rug off the floor when it's not in use. Leave these rugs on the floor as little as possible. Make sure the floor is dry when the rug is in place. Don't use the rug at all if the latex backing is crumbling or disintegrating.
Step 2
Keep sunlight off the floor. Sunlight may cause the area around the rug to change color, creating a shadow where the rug normally lies. Blackout blinds and drapes will help prevent the problem, but even indirect light can affect the carpet, wood or engineered wood floors.
Step 3
Apply a new back to the rug. Cut a piece of mesh gripper fabric in the same shape and size as the rug, and apply it to the back of the rug. Either hand sew or use two-sided carpet tape. Make sure the mesh gripper fabric does not contain latex or rubber.
Step 4
Attach a ready-made carpet pad to the underside of the rug, or cut one to fit. Hand-sew it in place, or use two-sided carpet tape.
SamIam
Member
Ha it's like a gas or chemical reaction I've seen it a few time.
Lady put rubber back step pieces on white steps. Coffee stain remover and a citrus solvent scrub helped. But ya the carpet has changed color.
Kinda like if you ever move the plastic desk matt for helping chairs roll.
They can fade carpet to, usually in direct sunlight also.
Lady put rubber back step pieces on white steps. Coffee stain remover and a citrus solvent scrub helped. But ya the carpet has changed color.
Kinda like if you ever move the plastic desk matt for helping chairs roll.
They can fade carpet to, usually in direct sunlight also.
J Scott W
Member
BHT yellowing is rather rare these days. What you are seeing might be plasticizer migration.
BHT yellowing can be corrected by acids and some time. I would apply Fab-Set (at 1:10) or Fab-Set with a little citric acid for faster action. Brush it in and leave it for 20 minutes. If this does not correct the situation, it is probably not from BHT.
BHT yellowing can be corrected by acids and some time. I would apply Fab-Set (at 1:10) or Fab-Set with a little citric acid for faster action. Brush it in and leave it for 20 minutes. If this does not correct the situation, it is probably not from BHT.
Last edited by a moderator:
Larry Cobb
Member
Powder Reducing Agent to reverse the oxidation.
http://www.cobbcarpet.com/zen/index...e63dd57285575ddfde4798f259&keyword=fiberbrite
http://www.cobbcarpet.com/zen/index...e63dd57285575ddfde4798f259&keyword=fiberbrite
