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AMPROᵀᴹ Colloidal Silica

 WATERPROOF RESIN THICKENER 


- Fine waterproof, white powder, used to thicken the epoxy system
- Can be used with Glass Bubbles, Microballoons and Microfibres
- Refer to the AMPRO™ datasheet for recommended mixes
  (in ATTACHMENTS) 
 
It is a powder (ventilated silicon) modified with respect to the traditional Colloidal Silica to improve the application qualities of the AMPROᵀᴹ epoxy system, with a 30% reduction in weight and better waterproofing. It can be added to adhesives or grouts to avoid the possibility of product dripping during particular applications, making the mixture with resins, adhesives and fillers thixotropic 
 
about 5 liter cans (0.25 kg)

- confezione
€20.00
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Description

AMPRO™ colloidal silica is an agent that is used to control the thixotropic or "sag" characteristics of a resin system. By adding colloidal silica powder in varying amounts to a resin mix containing the other types of fillers mentioned, the processing and curing characteristics can be controlled.
 

 
AMPRO™ addensante tixotropico per resina epossidica AMPRO™
  

Relatively small quantities added to a resin mix containing glass bubbles or microballoons will give non-sag properties and impart easier handling. Colloidal silica is also used with microfibres to produce a mix suitable for use as a high strength, non-sagging structural adhesive, particularly for non-absorbent materials such as grp. The inclusion of colloidal silica has the effect of increasing the hardness of the resulting mix which will create more difficulty when sanding. For this reason colloidal silica is usually added in the minimum quantities to any mix for which sanding is anticipated. In some applications this feature can be used to an advantage, for example to create a hard wearing edge or surface.

AMPRO™ Silica is naturally water-resistant / hydrophobic making it more suited for marine applications. Lower loading levels are required compared to traditional silica, up to 2% reduction by weight... 
 
 

 

For dosages and proportions see the technical datasheet in the attached files
Note: colloidal silica must always be added last.
  

  
 
 

Gurit have a range of powdered fillers designed to modify the properties of AMPRO™ multipurpose systems to create resin blends for use as fillers and adhesives. Fillers form three distinct categories: glass and phenolic microspheres, microfibers and thickeners (colloidal silica): 
 
Hollow spheres
Increase the volume and reduce the density of any resin system and are used to make adhesive mixes and filling & fairing mixes.
¬ Microballoons: Brown microsphere filler powder used to make glues or paste fillers
¬ Glass Bubbles: White microsphere filler powder used to make glues or paste fillers
 
Short Fibres
For adding strength to a resin and hardener mix used as a structural adhesive, short reinforcing fibres are often added which act in a similar strengthening way to the long reinforcing fibres used in composite construction.
¬ Microfibres: Cellulose fibres used to make adhesive mixes
   
Flow Modifiers
The most common material for modifying the flow properties of a resin mix is colloidal silica. This is a very fine powder which is added in conjunction with other fillers to ‘thicken’ mixes and reduce their flow on vertical surfaces (increase thixotropy).
¬ Colloidal Silica: Fine, anti-sag, filler powder. Use in combination with other filler powders

Product Details
3 other products in the same category:

Gurit SP Microballoons

hollow microspheres of low density phenolic resin; once added to the SP 106 epoxy system, they have the characteristic of increasing their volume by decreasing their specific weight in order to form a light and easy to sand grout. The reddish brown color typical of this inert filler makes it aesthetically ideal for gluing dark woods. small package: jar...

Price €38.00
From: €38.00 €710.00
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Gurit SP Glass Bubbles

They are hollow rigid glass spheres. Combined with SP 106 they provide a particularly waterproof grout, ideal for the submerged parts of the boat, where a perfectly smooth surface is not necessary (as due to their nature they are very hard to sand). small package: jar Lt. 5 approximately (kg. 0,3) large package: bag kg. 5 

Price €27.00
From: €27.00 €260.00
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