Pasty mixture of hydrogen fluoride (hydrofluoric acid, hydrogen nitrate (nitric acid) and their salts.
Intended use: Pickling of stainless steel welding seams
Instructions for use
General notes: Please respect safety data sheet ad instructions for use. Reaction times and results depend on different factors. Practical tests with sample parts should be carried out to define the optimum parameters.
Preparation: Remove oil,grease,welding spray, coatings and adhesives.
Application: Apply evenly in a coating of approx. 2 min.
Reaction time: 30 to 120 minutes at an optimum ambient temperature between 22 to 25 degrees when using derustit 4020. Please consider loss of brilliance of +/- 10 degrees, reaction time may be halved or doubled.
Further treatment: thoroughly rinse treated parts with water until ringsing water is neutral and surfaces are acid-free.
Please note: Use water with a hardness of < 10 degrees dH in order to minimize water stains and lime residues!
Additional notes: Do not use at high temperatures or under direct sunlight.
TGS Industrial use UK Mail for all of our UK Deliveries, if when placing your order you include your email address and your mobile telephone number (if available) they will then send you and email or a text to your phone with an approximate delivery time for your goods.
UK Mainland Only - Next Working Day
Free Delivery on all orders over £100
Under £100 delivery is - £6.50
Delivery before 12 - £10.00
Saturday delivery - £12.00
Scottish Highlands - 2 - 3 Working Days - £17.95
Scottish Islands / Channel Islands / Isle of Wight / Scilly Isles - £17.95
Northern Ireland and Southern Ireland - £17.95
(Please note some post codes may take 2 to 3 days for delivery)
Customers can also call into our showroom and collect any item they would wish to purchase. Please telephone in advance
We will refund or credit any item returned within 7 days of purchase if it has been damaged in transit or the wrong item has been dispatched, provided the item is unused and in its original packaging. If any item is returned because of being faulty, and after inspected is found to be in perfect order then carriage costs would be paid by the customer.
Please contact us for more information