Question 1

I've sanded an oak bureau. I intend to stain and oil it. Will this product work, the cellulose bit confusing me. Thanks

Accepted Answer

This is my personal experience/opinion and others may disagree! Sealer has two benefits.

1. After sanding to bare wood, if you apply sealer and LIGHTLY sand with fine grit paper (eg 320 ish). You can get an even smoother finish and lubricants in the sealer reduce paper clogging.

2. The sealer fills the microscopic pots in the wood which allows finishes like paint, polyurethane and shellac etc to go on evenly and achieve a good finish with fewer coats.

Two additional points. If you want to stain wood, you might want to apply before the sealer (the sealer hinders stain penetration into the wood). I believe there are some stains you can mix with sealer, although I have never tried this myself. Also, (this may be contentious) but I don’t use sealer if the finish needs to penetrate  the wood (eg certain oils like mineral oil). However other oils that harden (eventually) such as boiled linseed oil, I have used and they seem to work okay.

So sorry for the long answer but hopefully that is enough information for you to proceed.

TL;DR - it depends!

Question 2

Is this a pore filler please

Accepted Answer

Depends what you mean by a pore filler. Cellulose sanding sealer is used to seal bare wood prior to applying a final finish. This could be wax, varnish or any other desired finish. The sealer fills the tiny surface pores in the wood and may raise the grain slightly so it needs to be lightly sanded before applying a final finish. I usually use 600 grit. Sanding sealer wood not be suitable for filling large pores or indentations in wood.

Question 3

Hi , can I use this to seal a chopping board.? Thank you

Accepted Answer

No. This is not an appropriate sealer for a chopping board.  You need a food safe oil.

Question 4

Should volume be 1litre? Price point nearer to Chestnut's price for 1litre than it is the £10.80 they quote for 500ml

Accepted Answer

Don't know i'm afraid - sorry

ASIN	B005Q8567I
Best Sellers Rank	40,187 in DIY & Tools ( See Top 100 in DIY & Tools ) 654 in Sealers 5,422 in Painting Supplies, Tools & Wall Treatments
Brand	Chestnut Products
Colour	clear
Compatible Material	Acrylic, Wood
Customer Reviews	4.7 4.7 out of 5 stars (389)
Item Form	Spray
Item Weight	500 Grams
Manufacturer	Chestnut
Manufacturer Part Number	CSS500
Model Number	CSS500
Number of Items	1
Number of Packs	1
Style Name	Compact
Surface Recommendation	Wood
Unit Count	500.0 millilitre
Water Resistance Level	Water Resistant

Chestnut CSS500 Cellulose Sanding Sealer , 500ml

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