SAROPLAST T250 A&B

Two-component structural epoxy adhesive

SAROPLAST T250 A&B is a thixotropic two-component epoxy adhesive designed for high-performance structural applications. The product guarantees:

high adhesive strength
excellent resistance to high temperatures
resistance to hydraulic oils, lubricants and fuels
excellent hold on vertical and overhead surfaces

Thanks to its thixotropic properties, SAROPLAST T250 A&B is particularly suitable for:

complex structural bonding
filling of irregular surfaces
bonding of wear-resistant linings
applications on components subject to high mechanical stress

SAROPLAST T250 A&B provides the following product characteristics:

MSDS A

MSDS B

TYPICAL POLYMERISATION PERFORMANCE

Technology	Epoxy
Chemical Type	Epoxy
Appearance (Resin)	White Paste
Appearance (Hardener)	Amber Paste
Appearance – Mixture	White Paste
Components	2 parts – Resin & Hardener
Mixing Ratio (Weight – Volume) Resin: Hardener	2 : 1
Polymerisation	At ambient temperature after mixing
Application	Adhesive
Application Temperature	15 – 30°C
Operating Temperature	150°C max
Advantages	Non-sag – vertical hold Excellent Adhesion Proven performance on a wide range of materials Easy to spread High Heat Resistance

TYPICAL CHARACTERISTICS OF MATERIALS

Properties of Part A
Density @ 25 °C, ISO 1675, g/cm³	1.55
Brookfield viscosity, ISO 2555, @ 25 °C, 10 rpm	230
Brookfield viscosity, ISO 2555, @ 25 °C, 1 rpm	1300
Properties of Part B
Density @ 25 °C, ISO 1675, g/cm³	1.53
Brookfield viscosity, ISO 2555, @ 25 °C, 10 rpm	170
Brookfield viscosity, ISO 2555, @ 25 °C, 1 rpm	900
Properties of A + B Mixture
Density @ 25 °C, ISO 1675, g/cm³	1.55
Hardening Properties
Open time, ASTM D2471 minutes	35
Initial setting time, at 25 °C, hours	8 - 12
Final setting time, at 25 °C, hours	24
Return to service, at 25 °C, hours	72
Coverage
Trowel application, minimum thickness 1 mm	coverage 0.65 m² / kg, excluding wastage

GENERAL INFORMATION

This product is not recommended for use in oxygen-rich and/or pure oxygen systems and should not be selected as a sealant for chlorine or other strong oxidising materials.

For information on the safe handling of this product, consult the safety data sheet (SDS).

INSTRUCTIONS FOR USE

Surface Preparation

Surface preparation is important for the long-term performance of the product. The parameters can vary depending on the severity of the application, expected service life, and initial conditions of the substrates to be treated.

Remove any dirt, oil, grease etc. with a suitable detergent.
Any irregularities, weld splashes or residue, and any other surface roughness must be levelled and ground smooth; any depressions or porosity must be filled and ground smooth. All protrusions, edges or joints must be levelled to a minimum radius of 3 mm and all corners must also be rounded to the same specifications.
Blast the entire surface to be treated with angular grit until you achieve roughness of 50-70 microns, and near-white metal blast cleaning level (SIS SA 2½ /SSPC-SP 10). For immersion applications, a white metal blast cleaning (SIS SA 3/SSPC-SP 5) level is required.
After abrasive blasting, the metal surface must be cleaned with a cleaner which does not leave residue, or with a solvent, to remove dust and contaminants. Clean, dry compressed air can also be used to remove dust and contaminants. The surface must be coated before any new oxidation occurs.

Method of Application:

Mix the two components, suitably weighed out in the quantities specified by the mixing ratio, for around 3 min.
Film thickness 1mm.
Application temperature (surface and ambient): 15-30 °C.
Relative humidity: <85%; The surface temperature must always be at least 3 °C above the dew point.
All untreated areas or areas with limited thickness must be restored by applying further product before laying the lining to be bonded.

Cleaning

Clean the equipment immediately after use with a solvent such as acetone or isopropyl alcohol. Once hardened, the product can only be removed mechanically.

SAROPLAST T250 A&B