SN-CRETE MF (PU)

SN-CRETE MF is a 3 or 4 component, flow-applied and self-smoothing polyurethane topping designed for thin-layer applications and repairs in matt finish. It can be used as a new topping over old or worn polyurethane floors.

Ideal areas of application include:

• Hygienic flooring for kitchen, wetfood, beverage processing and packaging plants.
• Chemical resistance flooring for chemical process, containment area and wash down rooms.
• Thermal shock resistance flooring for freezers, refrigerators and oven installed spaces.
• Mechanically durable flooring for loading docks and warehouses.

• Excellent chemical resistance.
• Resists bacterial growth; fungi, mold and mildew.
• Easily cleaned and maintained smooth seamless surface.
• High-density system with maximum wear, abrasion and impact resistance.
• User-friendly, no solvent odour during installation.
• One of the fastest “turnaround time” polymer modified product which reduces cost.
• High temperature resistance up to 80°C at 3mm thickness.
• Seamless without joints for optimum sanitation and hygienic finish.
• Meets Japanese Standard JISZ 2801:2000, 5.2.

Available in six standard colors: Red, Green, Cream, Light Grey, Dark Grey and Brown Beige.

Suitable substrates are concrete or modified polymer screeds with a minimum compressive strength of 25 N/mm² and pull-off strength of 1.5 N/mm². Substrates must be clean, free from dust, oil, water, paint residues, loose constituents or any contaminants.

• Use mechanical means (planer, grit blasting, grinding) until a flat, rough profile is evident.
• Prepare grooves, 5mm (wide) × 5mm (deep), at edges, bay joints, columns, doorways, drains for anchoring.

Substrate Movement

All moving joints must be carried through the SN-CRETE MF and properly sealed. Construction joints and cracks may be covered but if substrate movement occurs, the SN-CRETE MF will reflect the cracks.

1. Add Part A to a clean mixing drum.
2. Add Part B and mix for 10 seconds until uniform using a helical spinner.
3. Add Part C powder and mix for 1 minute to achieve homogenous mortar.
4. Remove residue from drum sides and discard before next pack.
5. Mix at 500–750 rpm to reduce air inclusion.

• Spread to 3–6mm and consolidate using pin rake / notched squeegee set to depth.
• Immediately release trapped air by spike rolling.

• Do not apply below 10°C substrate/material temperature.
• Temperature should not fall below 5°C within first 24 hours.
• Not designed for immersion.

• At 3mm: up to 80°C and freezer -5°C.
• At 6mm: up to 90°C and freezer -5°C.

SN-CRETE MF will resist spillages of:

• Dilute and concentrated acids: hydrochloric, nitric, phosphoric and sulphuric.
• Dilute and concentrated alkalis, including sodium hydroxide up to 50%.
• Most dilute and concentrated organic acids.
• Fats, oil and sugar.
• Mineral oils, kerosene, gasoline and brake fluids.
• Most organic solvents.

• Clean tools with Washing Thinner or suitable solvents before hardening.
• Decontaminate small unreacted Part B using 5% wash soda (sodium carbonate) before disposal.
• After set, removal is extremely difficult and will only wear off over time.

Regular cleaning and maintenance prolongs resin floor life, enhances appearance and reduces dirt retention.

The finished system is assessed as non-hazardous to health and the environment. SN-CRETE MF is HACCP International certified.

Environmental and health considerations are controlled during manufacture and application by SN Chemical Industries Ltd. staff and trained application teams. Refer to the product Safety Data Sheet (SDS), available upon request.

SN Chemical Industries Ltd. supplies engineered construction products including industrial polymer floor and wall coatings, waterproofing, structural repair materials, and other specialty protective coatings.