UNICRYL W SERIES: ACRYLIC EMULSIONS FOR WOOD
FOR LONG LASTING WOOD
Waterborne self-crosslinking acrylic binders for 1K coating to be used in: INTERIOR WOOD EXTERIOR WOOD FLOOR WOOD PRIMER JOINERY
UNICRYL W 262
CHEMICAL RESISTANCE DIN 668861-1
■ 100 microns wet
■ 2 coats applied on beech wood
■ Time drying: 1 week a RT
MAIN FEATURES
• High chemical resistance
• High abrasion resistance
• Good adhesion
CHARACTERISTICS Solids content 38 ± 1 % pH 8 ± 1 Viscosity < 250 MFT 30 ºC Tg 25 ºc
CONTACT TIME RESULT Acetic acid 10% 1h 5 Ammonia Solution 10% 2min 5 Ethanol 1h 5 Red Wine [alcohol content >13%] 6h 5 Coffee [ 4% instant coffee in 1l boiling water] 16h 5 Deionized Water 16h 5 Acetone 10sec 4 Olive Oil 16h 5 Ketchup 6h 5 Disifectant [Chlroamine T] 10min 5 TEST METHOD SUBSTRATE COATING TESTING CONDITION RESULT Abrasion resistance EN 15185:2011 Beech wood 100 µm wet; 2 coat Wheel S42, 500 Gr weight 300 cycles Adhesion ISO 2409:2013 Beech wood 100 µm wet; 2 coat Gt0 Surface hardness Konig test Glass 120 µm wet; 1 coat 105
UNICRYL W 290
Solids content 44 ±1 % pH 8 ± 0,5 Viscosity < 500 mPa.s MFT 4 ºC Tg 11 ºC TEST METHOD TESTING CONDITION RESULT Early water resistance 1 drop of water over the surface No stain after 1h. Slight water whitening after 24h but immediately recovered after drying Water permeability UNE-EN 927-6 gsm for 3 days 25 Wet adhesion UNE-CEN/TS 927-8: 2020 Gt0 Konig hardness 70 Buster box adhesion 15 days, water vapour exposure No blistering Staining test Cold check 10 cycle: 8h in water at RT+16h at -18 ºC ±2 ºC + 24h at 50ºC Adhesion Gt0 Gloss before test=42-46 UG Gloss before test=43-74 UG Blocking test ASTM D2793-69 Pressure of 200 gr/cm2 at 50 ºC Face to face=4 Face to reverse=5 QUV Acelerated ageing UNE-EN 927-6 1000h exposure Homogeneous no blistering MAIN FEATURES • Good blocking resistance at high coating thickness • Fast drying • Good early water resistance • Good alkaline resistance & wet adhesion • Non yellowing • Good transparency
CHARACTERISTICS
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