Sika Rustoff 100 1Ltr

Uses

Sika® Rustoff 100 removes rust and prevents further rusting of:

• 
  New or old reinforcement steel in construction
• 
  Embedded steel in repairable structures
• 
  Various steel structures like tanks, water pipelines, effluent pipelines, trusses, purlins, rafters etc.
• 
  Ball bearings, valves, tools etc.
• 
  Ideal for protecting reinforcements with insufficient cover or in thin sections

Characteristics / Advantages

• 
  Removes rust
• 
  Prevents further rusting by providing a passivating coat
• 
  To be applied with brush, cotton waste swab or spray gun on the affected metal surface
• 
  Easy to apply since it is in liquid form
• 
  For repairable structures when applied with brush /spray gun can reach even the most difficult rusted areas with congested reinforcements

Consumption / Dosage

1kg covers 3- 5 sqm in 2 coats (depending on the diameter of the rods) 0.120 to 0.150 kg/ sqm per coat depending on extent of rusting and nature of substrate.

Substrate Quality

Substrate should be free from oil, dirt and grease. For concrete remove cement skin,
loose particles etc. Cavities, pin holes should be levelled.

Substrate Preparation

For heavily rusted surface,first clean mechanically by wire brushing, sand blasting etc. depending on the extent of corrosion.

Application Method / Tools

• Apply Sika® Rustoff 100 by brush, cotton waste swab or spray on the effected metal surface. Leave it in contact with the surface till the reddish colour of the corroded surface has changed to nearest original black.
• Excess application may sometime give whitish black surface.
• After a minimum 24 hours remove the loose rust particles by brush.
• After the removal of loose rust any reddish rusted surface still left has to be retreated with Sika® Rustoff 100.
• After the surface dries up totally (within 48 hours).
• Clean the surface with water jet and allow it to dry.
• Apply a preventive coating like Sika® Rustop.