Chemax Barfix

The three versions of CONFIX P polyester resin grout are all premeasured, two parts, filled polyester resin grouts. After hardening the grout produces anchorages of consistent reproducible values.
The versions are:
CONFIX L (Large aggregate)
CONFIX S (Small aggregate)
CONFIX P (Pumpable grade)
CONFIX L is used where hole diameter exceeds bar diameter by 25 to 50mm.
CONFIX S is used where the difference between the hole diameter and bar diameter is < 25mm.
CONFIX P is used in overhead or horizontal holes where bar / hole relationship conforms to CONFIX S polyester resin grout. The thixotropic nature of CONFIX P polyester resin grout reduces flow of grout out of the hole.

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Advantages
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Rapid strength gain

Rapid strength gain

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Corrosion resistant

Corrosion resistant

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Can be placed under water

Can be placed under water

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Vibration resistant

Vibration resistant

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Non expansive

Non expansive

Properties
  • Specific gravity : 1. CONFIX S: 1.9 g/cc 2. CONFIX P: 2.9 g/cc
  • Design criteria : The version of CONFIX P grout to be used will depend upon ambient temperature and anchor conditions. The high strength of the cured resin permits strong anchors to be created. The ultimate bond strength developed depends upon: 1. Strength of host material 2. Length of resin bond to bar 3. Hole preparation and formation 4. Type and dimension of bar
  • The following formula may be used to determine the minimum depth of installation for Type 1 rebar bolts, to ensure the shear stress within the concrete is kept within the limits set out in BS 8110. MINIMUM HOLE DEPTH (MM) = (0.6 Y/SPd2)*(Pd12/4) = (0.15 Y*d12/S d2)  where Y is characteristic yield strength of steel (460 N/mm2 )  S is permitted shear stress in concrete (N/mm2)  d1 is bar diameter (mm)  d2 is hole diameter (mm)
Application
  • CONFIX P polyester resin grout S & L : Using the calculated volume of grout based on Table 1, the grout should be poured steadily into the prepared holes. The anchor bar is then pressed into the hole to the required depth. Slight agitation of the bar will assist in achieving a complete bond. The bar should then be left undisturbed in the required position until the resin is set.
  • CONFIX P polyester resin grout : The grout should be injected to the rear of the hole to avoid air entrapment. The thixotropic nature of CONFIX PP will prevent significant flow of resin out of the hole.
  • Cleaning : Any mixing drums, pumps, etc. should be cleaned within the pot life of the grout. CHEMBRIDGE Primesol is available for this purpose.
  • Packaging :
    CONFIX P / S : 0.5 and 2.5 L Packs
    CONFIX L : 18 L
    CHEMBRIDGE Primesol : 5 litres and 20 litres.
  • Storage :
    The product should be stored away from high temperature 6 months shelf life when stored below 250C in original unopened containers.
  • Health and safety instructions: Confined areas must be well ventilated and no naked flames allowed. Contact with the skin should be avoided as certain sensitive skins may be affected by contact with the polyester resin. In such cases if contact with the resin occurs, the skin should be washed immediately with soap and water – not solvent. Gloves and barrier creams should be used when handling these products. Eye contamination must be immediately washed with plenty of water and medical treatment sought.
  • Fire resistance and creep: At operating temperatures above 400C, the creep of CONFIX P polyester resin grout resin under load may become significant. Resin anchors should not be used where structural load bearing performance has to be maintained in anchors subjected to fire conditions.
  • Fire : CONFIX P polyester resin grout resin is flammable. Confined areas must be well ventilated and no naked flames allowed. Do not smoke during use.
  • Flash point:
    CONFIX P (S & L): 290C CHEMBRIDGE Primesol: 330C