About MC-Bauchemie MC-Solid 1200

{“name”:”MC-Solid 1200″,”slug”:”mc-solid-1200″,”brand”:”MC-Bauchemie”,”realProduct”:”yes”,”officialSource”:”https://www.mc-bauchemie.in/assets/downloads/products/en-IN/technical_datasheet/MC-Solid%201200%20-%20TDS.pdf”,”category”:”industrial-flooring”,”metaTitle”:”MC-Solid 1200 | High-Bond Epoxy Coating | Space Arc”,”metaDescription”:”MC-Solid 1200 is MC-Bauchemie’s solvent-free epoxy bonding agent for old-to-new concrete and heavy-duty floor systems, supplied across India by Space Arc.”,”heroSubtitle”:”The solvent-free epoxy bonding coat that fuses old concrete to new — and doubles as a chemical-resistant, dust-proof floor finish on its own.”,”glance”:{“whatIsIt”:”A two-component, solvent-free, pigmented (grey) epoxy resin system that acts as a universal bonding agent between old and new concrete, and as a heavy-build protective floor coating in its own right.”,”whereUsed”:”Industrial and warehouse floor toppings, RCC repair interfaces, bridge deck and segmental joint bonding, parking ramps and decks, plinth and machine-foundation repairs.”,”whyUse”:”Very high bond, mechanical and chemical resistance means the new layer won’t delaminate from the old one under trolley traffic, forklift loads, or aggressive chemical spillage.”,”howApplied”:”Resin and hardener are mixed 2:1 by weight with a slow-speed drill, then brush, spreader or spatula-applied in a thin wet coat; the fresh screed, mortar or topping is laid wet-in-wet within the open time, with sand broadcast on the surface if a second coat or extra key is needed.”},”about”:”MC-Solid 1200 is MC-Bauchemie’s go-to answer for a problem every repair contractor in Delhi NCR runs into sooner or later: how do you get a new patch of concrete, screed or floor topping to actually stay stuck to the old surface underneath it, especially when that floor is going to see forklift traffic, chemical spillage, or years of abrasion? It’s a two-component, solvent-free epoxy — resin and hardener supplied in separate pigmented packs, mixed on site at a fixed 2:1 ratio — that was previously sold as MC-Dur 1200 and carries the same formulation under its current name. Applied thin and wet, it forms a high-strength bridge layer between the old substrate and whatever fresh cementitious or epoxy material goes on top, and because it’s solvent-free there’s none of the fumes-and-ventilation headache that comes with older bonding-agent chemistries on occupied or enclosed sites.\n\nWhat makes it genuinely useful on Indian job sites is that it does double duty. Used purely as an interface coat, it’s the layer between an old RCC beam and a patch repair mortar, or between an existing slab and a fresh granolithic topping. But because it’s pigmented and forms a continuous, tightly bonded film, many warehouse and factory-floor contractors also specify it as the final wearing coat itself — grey, dust-proof, easy to hose down, and resistant to the oils, mild acids and solvents that collect on a working shop floor. That flexibility, plus the fact that MC-Bauchemie backs it with a full structural-repair mortar range to pair it with, is why it shows up repeatedly in RCC rehabilitation tenders and industrial flooring specs across the region.”,”technicalInsight”:”The numbers on the TDS tell a story worth reading before you order a drum. A 2:1 resin-to-hardener ratio by weight is standard for this class of epoxy, but the pot life — 240 minutes at 30°C — is the figure site supervisors get wrong most often, because MC-Bauchemie’s own note that a ±10°C swing halves or doubles pot life isn’t just a caveat, it’s a scheduling instruction. On a Delhi summer afternoon at 40°C-plus ambient, that 240-minute window can shrink hard, so batch sizes need to match what the crew can actually lay down wet-in-wet before the mix starts to gel; in a cool December morning it stretches the other way and gives more working room. The 400-minute open time is the more forgiving number — it’s the window during which the fresh topping can still be laid onto the bonding coat and achieve a proper chemical bond rather than a weak mechanical one. Compressive strength is quoted at ≥55 N/mm² per ASTM C579 after 7 days at 30°C, which is the standard method for testing rigid chemical-resistant mortars and coatings under load — a meaningfully high figure that’s consistent with the product’s role under heavy mechanical and chemical duty rather than light cosmetic use. The substrate-side prerequisites matter just as much as the product itself: a minimum concrete compressive strength above 25 N/mm² and a pull-off strength of at least 1.5 N/mm² are non-negotiable, because no bonding agent, however good, can out-perform a weak or friable base.”,”applications”:[“Bonding coat between existing RCC and fresh patch-repair mortar in structural repair work”,”High-build epoxy floor coating for warehouses, factories and process areas under heavy mechanical/chemical duty”,”Bonding layer ahead of screed, topping or granolithic floor overlays on old concrete”,”Segmental precast joint bonding and bridge deck overlay preparation”,”Dust-proof, chemical- and abrasion-resistant standalone floor sealing coat”,”Substrate priming/bonding step before applying epoxy mortar patch repairs”,”Plinth and machine-foundation repair bonding in industrial plants”,”Parking deck and ramp overlay bonding coat”],”advantages”:[“Solvent-free formulation — safer and less odour-heavy for work on occupied or poorly ventilated sites”,”Very high bond strength, comfortably exceeding the 1.5 N/mm² substrate pull-off requirement it’s tested against”,”High compressive strength of ≥55 N/mm² (ASTM C579, 7 days) suited to heavy mechanical loading”,”Generous 400-minute open time gives crews real working room to lay the topping wet-in-wet”,”Pigmented grey finish means it can double as a wearable, washable floor coating, not just a hidden bonding layer”,”Cures to a dust-proof, easy-to-clean surface with good resistance to everyday chemicals and solvents”,”One product covers two roles on a repair job — bonding primer and finished protective coat — simplifying material scheduling”,”Backed by a full MC-Bauchemie structural-repair mortar range for a matched, single-source repair system”],”limitations”:[“Pot life shortens sharply in hot weather (a ±10°C shift halves or doubles it) — batch sizes must be planned around ambient temperature, not just crew capacity”,”Needs a sound substrate: minimum concrete compressive strength above 25 N/mm² and pull-off strength ≥1.5 N/mm² — it will not rescue a weak or delaminating base”,”Substrate temperature window is fairly narrow (+15°C to +40°C), so cold winter mornings in North India need scheduling around”,”Strict wet-in-wet application — if the bonding coat skins over before the topping is laid, bond quality drops and the whole point of the product is defeated”,”Not a waterproofing membrane in its own right; projects needing a dedicated waterproofing scope should specify a purpose-built system alongside it”,”Supplied only in a pigmented grey finish, so decorative or multi-colour exposed flooring needs an additional topcoat system”],”bestPractice”:”Treat the pot-life and open-time figures as live numbers, not fixed ones — check ambient and substrate temperature before mixing, and on hot days mix smaller batches more often rather than one large batch that starts skinning before it’s laid. Grind or scarify the substrate to sound, dust-free concrete, confirm it meets the >25 N/mm² compressive and ≥1.5 N/mm² pull-off requirement (a simple pull-off test on a trial patch is worth the hour it takes), and mix resin and hardener thoroughly — including the pour-and-repour step MC-Bauchemie specifies — before applying a thin, even coat by brush or spreader. Always work wet-in-wet: have the topping crew ready to follow immediately behind the bonding-coat application, and broadcast sand into the wet film if a second coat or extra mechanical key is planned.”,”specs”:[{“property”:”Mixing ratio”,”value”:”2:1 by weight (Resin : Hardener)”},{“property”:”Density”,”value”:”~1.7 kg/l at 30°C”},{“property”:”Pot life”,”value”:”240 minutes at 30°C”},{“property”:”Open time”,”value”:”400 minutes at 30°C”},{“property”:”Compressive strength”,”value”:”≥55 N/mm² (ASTM C579, 30°C, 7 days)”},{“property”:”Consumption”,”value”:”300–450 g/m² per coat (non-absorptive substrate)”},{“property”:”Substrate temperature range”,”value”:”+15°C to +40°C”},{“property”:”Substrate requirement”,”value”:”Min. compressive strength >25 N/mm²; pull-off strength ≥1.5 N/mm²”},{“property”:”Pack sizes / shelf life”,”value”:”Resin 2 kg & 4 kg, Hardener 1 kg & 2 kg; 12 months from manufacture, unopened”}],”useCases”:[{“sector”:”Industrial & warehouse flooring”,”detail”:”Bonding coat plus optional wear coat applied before a VDF or granolithic topping over an existing manufacturing-unit floor.”},{“sector”:”RCC structural repair”,”detail”:”Interface bonding layer between an old beam, column or slab and fresh patch-repair mortar during rehabilitation work.”},{“sector”:”Bridges & infrastructure”,”detail”:”Segmental joint bonding and bridge deck overlay preparation ahead of the wearing course.”},{“sector”:”Parking structures”,”detail”:”Bonding coat under ramp and deck topping overlays subject to constant vehicle traffic.”},{“sector”:”Process & effluent-handling plants”,”detail”:”Chemically resistant bonding and protective coat on tank surrounds, channels and plinths exposed to heavy mechanical and chemical loading.”}],”faq”:[{“q”:”Is MC-Solid 1200 the same product as MC-Dur 1200?”,”a”:”Yes — MC-Bauchemie renamed MC-Dur 1200 to MC-Solid 1200; the formulation, mixing ratio and performance data are unchanged.”},{“q”:”Can MC-Solid 1200 be used as a standalone floor coating, not just a bonding coat?”,”a”:”Yes. As a pigmented grey epoxy it forms a dust-proof, chemical- and abrasion-resistant finish on its own, though most repair and flooring projects use it primarily as the bonding layer under a screed or topping.”},{“q”:”How long do I have before laying the topping after applying MC-Solid 1200?”,”a”:”Work wet-in-wet within the open time — about 400 minutes at 30°C, shorter in hot weather — so the new layer bonds chemically rather than just mechanically.”},{“q”:”What condition does my existing concrete need to be in before applying this?”,”a”:”The TDS requires a minimum concrete compressive strength above 25 N/mm² and a substrate pull-off strength of at least 1.5 N/mm²; loose, oily or laitance-covered surfaces must be prepared first.”},{“q”:”What pack sizes does Space Arc supply?”,”a”:”Resin is available in 2 kg and 4 kg packs and Hardener in 1 kg and 2 kg packs, always used together at the fixed 2:1 ratio.”},{“q”:”Does Space Arc Engineering supply and apply MC-Solid 1200 across India, not just Delhi?”,”a”:”Yes — Space Arc is an authorised MC-Bauchemie distributor and applicator and handles both supply and site application pan-India, with Delhi NCR as its home base.”}],”positioning”:”Within the MC-Bauchemie range, MC-Solid 1200 is the bonding-coat step that pairs naturally with MC’s structural repair mortars and floor topping systems — specifiers running a full RCC rehabilitation or industrial flooring sequence typically bring it in alongside those rather than as a standalone purchase. Outside the MC stable, the closest genuine equivalent is Fosroc’s Nitobond EP, a solvent-free two-component epoxy built for the same old-to-new concrete bonding role; contractors already standardised on Fosroc systems, or wanting its longer roughly 10-hour overlay window and colour-coded mix verification, sometimes reach for it instead. Space Arc supplies and applies both families and will spec whichever fits the project’s existing material standard.”}

The technical insight

The numbers on the TDS tell a story worth reading before you order a drum. A 2:1 resin-to-hardener ratio by weight is standard for this class of epoxy, but the pot life — 240 minutes at 30°C — is the figure site supervisors get wrong most often, because MC-Bauchemie’s own note that a ±10°C swing halves or doubles pot life isn’t just a caveat, it’s a scheduling instruction. On a Delhi summer afternoon at 40°C-plus ambient, that 240-minute window can shrink hard, so batch sizes need to match what the crew can actually lay down wet-in-wet before the mix starts to gel; on a cool December morning it stretches the other way and gives more working room. The 400-minute open time is the more forgiving number — it’s the window during which the fresh topping can still be laid onto the bonding coat and achieve a proper chemical bond rather than a weak mechanical one. Compressive strength is quoted at ≥55 N/mm² per ASTM C579 after 7 days at 30°C, the standard method for testing rigid chemical-resistant mortars and coatings under load — a meaningfully high figure consistent with the product’s role under heavy mechanical and chemical duty rather than light cosmetic use. The substrate-side prerequisites matter just as much as the product itself: a minimum concrete compressive strength above 25 N/mm² and a pull-off strength of at least 1.5 N/mm² are non-negotiable, because no bonding agent, however good, can out-perform a weak or friable base underneath it.

Where it is used

• Bonding coat between existing RCC and fresh patch-repair mortar in structural repair work
• High-build epoxy floor coating for warehouses, factories and process areas under heavy mechanical/chemical duty
• Bonding layer ahead of screed, topping or granolithic floor overlays on old concrete
• Segmental precast joint bonding and bridge deck overlay preparation
• Dust-proof, chemical- and abrasion-resistant standalone floor sealing coat
• Substrate priming/bonding step before applying epoxy mortar patch repairs
• Plinth and machine-foundation repair bonding in industrial plants
• Parking deck and ramp overlay bonding coat

Key advantages

• Solvent-free formulation — safer and less odour-heavy for work on occupied or poorly ventilated sites
• Very high bond strength, comfortably exceeding the 1.5 N/mm² substrate pull-off requirement it’s tested against
• High compressive strength of ≥55 N/mm² (ASTM C579, 7 days) suited to heavy mechanical loading
• Generous 400-minute open time gives crews real working room to lay the topping wet-in-wet
• Pigmented grey finish means it can double as a wearable, washable floor coating, not just a hidden bonding layer
• Cures to a dust-proof, easy-to-clean surface with good resistance to everyday chemicals and solvents
• One product covers two roles on a repair job — bonding primer and finished protective coat — simplifying material scheduling
• Backed by a full MC-Bauchemie structural-repair mortar range for a matched, single-source repair system

Limitations & considerations

• Pot life shortens sharply in hot weather (a ±10°C shift halves or doubles it) — batch sizes must be planned around ambient temperature, not just crew capacity
• Needs a sound substrate: minimum concrete compressive strength above 25 N/mm² and pull-off strength ≥1.5 N/mm² — it will not rescue a weak or delaminating base
• Substrate temperature window is fairly narrow (+15°C to +40°C), so cold winter mornings in North India need scheduling around
• Strict wet-in-wet application — if the bonding coat skins over before the topping is laid, bond quality drops and the whole point of the product is defeated
• Not a waterproofing membrane in its own right; projects needing a dedicated waterproofing scope should specify a purpose-built system alongside it
• Supplied only in a pigmented grey finish, so decorative or multi-colour exposed flooring needs an additional topcoat system

Selection & best practice

Specifications

Industry use cases

How we position MC-Bauchemie MC-Solid 1200

Within the MC-Bauchemie range, MC-Solid 1200 is the bonding-coat step that pairs naturally with MC’s structural repair mortars and floor topping systems — specifiers running a full RCC rehabilitation or industrial flooring sequence typically bring it in alongside those rather than as a standalone purchase. Outside the MC stable, the closest genuine equivalent is Fosroc’s Nitobond EP, a solvent-free two-component epoxy built for the same old-to-new concrete bonding role; contractors already standardised on Fosroc systems, or wanting its longer roughly 10-hour overlay window and colour-coded mix verification, sometimes reach for it instead. Space Arc supplies and applies both families and will spec whichever fits the project’s existing material standard.

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