Poly Urethane

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Urethan Primer


JH-UP based mainly on the moisture curing resin, is 1 component primer. It has good adhesion with top coats. It shows superior durability , elongation, weather resistance and water resistance.

Color : Yellowish clear
Used : primer for elastic urethane waterproof and floorings.

Physical properties

▶ Type elastic poly-urethane paint(2 component)
▶ SP/GR 0.9~1.0
▶ solid volume 38±2
▶ Thinning ratio 5~20%
▶ theoretical coverage 0.2kg/㎡ (at DFT 40㎛)
▶ number of coating 1~2
▶ cold resistance - 40℃
▶ dry time  
DIVIED 10 ℃ 20 ℃ 30 ℃
set to touch 2 hrs 1 hrs 30 hrs
dry through 6 hrs 4 hrs 2 hrs
recoating interval 6 hrs 4 hrs 2 hrs
▶ meterials  
Substrate Divied Products Name Number of coating D.F.T Coating methode
concrete cement under JH-UP 1~2 penentration brush, roller, spray

Safty storage

1. Avoid the sun that storaged at the normal temperature(5~30℃).
2. Because it is reactive with moisture containning air, it is better to using up after opening.

Coating instructions

1. Surface preperation
    (1) The surface must be cured sufficiently.(over cured 28days at 20℃)
    (2) Removed moisture, oils, grease out from the substrate. (3) Suitable PH of concrete is 7~8.(water content is under to 8%)
    (4) Cracked or penetrating piped section would be grooved and sealed with sealant.
    (5) Removed protecting and aged part with grinder.

2. Coating methode
    (1) Coat primer a couple of times at the rate of 0.2~0.3kg/㎡
    (2) Recommended recoating interval is 4hrs over times at 20℃

※ Application condition
(1) Air temperature : 5~38℃
(2) Relative humidity : 85% max.


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