EFKA 3835
An isocyanate-terminated polysiloxane
Efka Additives
抗阻滞剂
Antiblocking agent
流动/均化剂 >> 硅树脂
Flow / Levelling agent >> Silicone
滑动控制 >> 硅树脂
Slip control >> Silicone
聚亚安酯
Polyurethane
涂层 >> 由溶剂生成
Coatings >> Solventborne
涂层 >> 无溶剂/ 高固体
Coatings >> Solvent-Free/ High-Solids
Properties: EFKA-3835 is an isocyanate-terminated polysiloxane designed to crosslink with hydroxyl- or carboxyl groups, in order to give permanent slip
and anti-blocking performance. It is compatible with most polyisocyanates
e.g. Desmodur® N, L, IL, HL and similar products. EFKA-3835 exhibits
diminished compatibility with polyisocyanates like Desmodur® N 3390.
Application: EFKA-3835 is a cross-linking additive for all kinds of polyurethane coatings. It should be added to the hardener (polyisocyanate solution). Compared with common organically modified polysiloxanes such as our 3000 series, EFKA-3835 reacts to form part of the film and gives longterm slip and anti blocking properties. EFKA-3835 results in higher slip and anti-blocking performance compared with EFKA-3886 and EFKA-3888.
Addition: 1 - 2% calculated on the polyol component, which should be added to the hardener component. The NCO-value of EFKA-3835 of 6.3 - 7.3% (based on solids) should be taken
isocyanate-terminated polysiloxane designed to crosslink with hydroxyl- or carboxyl groups, in order to give permanent slip and anti-blocking performance. It is compatible with most polyisocyanates. Should be added to the hardener (polyisocyanate solution). Reacts to form part of the film and gives longterm slip and anti blocking properties.
Recommended usage level: 1 - 2% calculated on the polyol component, which should be added to the hardener component. The NCO-value of EFKA-3835 of 6.3 - 7.3% (based on solids) should be taken into account in the isocyanate-hydroxyl calculation.