SpECcoat BC121
HIGH STRENGTH, NON-FLOW, EPOXY BEDDING AND REPAIR MORTAR
SpECcoat BC121 is a non-slumping epoxy bedding compound and adhesive. It is a two-component epoxy based mortar filled with selected fine aggregate. It is a fast curing material, ideal for a variety of bedding, gap filling and concrete repair applications. SpECcoat BC121 is a stiff but easily workable compound that can be applied by either trowel, spatula or knife. It cures to give excellent mechanical properties, typical of epoxy compounds. It is resistant to oils, greases, petroleum, salts, many acids and alkalis and most common corrosive chemicals. It does not shrink on curing and is designed to be used when cured from below freezing point to 60°C. Its impact resistance and mechanical strength is greater than that of concrete.
Technical Details
SpECcoat BC121 can be used in a range of applications such as:
• Bedding bridge beams or steel bridge bearings
• Repairing surface defects or honeycombing of concrete in horizontal, vertical or overhead situations
• Fixing slip bricks to concrete
• Securing bolts into walls
• Dowel bars anchoring
• As a gap filling adhesive
• Filling bolt pockets
• Repairing concrete posts in-situ
• Fixing of surface ports for crack injection
• Strong adhesion
• Impact resistant
• Non-shrink
• Trowels to a smooth finish
• Easy to use
• Supplied in pre-weighed units
• No bonding agent or primer required
| TYPICAL VALUES @ 20±3°C Typical test data | |
| Colour | Grey |
| Specific gravity | 1.75±0.05 |
| Compressive strength | 45±5 N/mm @ 7 days |
| Bond strength | Greater than the cohesive strength of concrete |
| Pot life | 60±5 mins |
| Tack free time | 8±2 hrs |
| Full cure | 7 days @ 25°C |
All loose particles, laitance, dust and grease etc., must be removed prior to the application of SpECcoat BC121.
Mixing
SpECcoat BC121 is supplied in a two-component kit consisting of a base component and a curing agent.
1. The product may be proportioned by volume for small repairs at a ratio of 1:1 and not suitable to use for large area.
2. Full pack mixing – both base and hardener units should be emptied into a suitable mixing vessel and mixed, either by hand, using trowel or using a slow speed drill and paddle.
Application
Knife or trowel, SpECcoat BC121 to the required level. Where a very deep recess is to be filled, it may be necessary to build up in layers.
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