UZIN NC 890 HYDROPATCH

UZIN NC 890 HYDROPATCH Premium Pro – Moisture Resistant Skim and Repair Compound

High-performance portland-based fine smoothing compound

Formulated primarily to repair concrete substrates with up to 100% RH to fulfill today's higher moisture-resistant adhesive and floor covering requirements. UZIN NC 890 HYDROPATCH is also recommended to fill joints, cracks, and localized repair areas before using UZIN PE 460 and UZIN PE 414 TURBO moisture vapor retarder coatings. Mixed with water, this polymer-modified compound of portland and select hydraulic cement can be applied to various surfaces, often without the requirement of a primer. Suitable for use with all floor coverings and adhesives.

Applications

Interior use only
Use over concrete up to 100% RH
Use over cement-based leveling compounds
Use over wood, plywood, OSB, and underlayment panels
Use over well bonded adhesive residues including cutback adhesive*
Use over quarry tile, natural stone, terrazzo
Use beneath UZIN PE 460 and UZIN PE 414 TURBO
Use over ceramic tile, dense and smooth coatings, metal
Residential and commercial applications
Use with radiant floor heating systems

_{*See; “Substrate Preparation” for additional information.}

Properties

Polymer-modified • Enhanced bond and durability
Retains mix water • Superior skimcoat application
Moisture resistant • For high moisture areas <100% RH
High strength • Suitable for caster wheels

Downloads

Product Data Sheet UZIN NC 890 HYDROPATCH 2 MB
UZIN_PDS_NC890_ES_22-11Nov 628 KB
UZIN_PDS_NC890_FR_22-11Nov 625 KB
NC890_Hydropatch_SDS_04-2023(US) 346 KB
NC_890_VOC-EmissionTestCert_1094-004-01A 237 KB
UzinUtz_2023_SCS-IAQ-08157_sm 378 KB

Technical data

*At 70 °F (21 °C) and 50% relative humidity. Surface profile and porosity, application depth, temperature, and humidity will affect dry time and coverage. ** In original unopened packaging, when stored indoors in dry, moderate conditions between temperatures of 50F - 90F (10C - 32C).
Packaging	10 lb. (4.5 kg) foil bag
Storage	up to 9 months^^
Mixing ratio	0.87–0.92 quarts per 5 lb. (half bag) (0.83–0.87 liters per 2.25 kg-half bag)
Water quantity	1.75-1.85 quarts per 10 lb. bag (1.67-1.75 liters per 4.5 kg bag)
Color	gray
Coverage	100-250 sq. ft. as a skimcoat (10 lb.)^* 9.29-23 m² as a skimcoat (10 lb.)^* up to 28 sq. ft. per bag at 1/8" (10 lb.)^* up to 2.6 m² at 3 mm (10 lb.)^*
VOC	0 g/L
Working time	15 minutes^*
Ready for foot traffic	30-60 minutes^*
Ready for covering	30-120 minutes^* 16 hours for wood flooring^*
Minimum application temperature	50 °F (10 °C) at floor level
Strength	compressive: 3,000 psi @ 28 days. ASTM C109 \| air and water cure