ZCLHF flexible couplings halogen-free - Our products are available in white. These are high quality products made of carefully selected materials. Thanks to this, they are not only halogen but also cadmium -free. Moreover, ZCLHF PC/ABS halogen-free flexible connectors do not spread fire and are resistant to various chemicals. At room temperature they are also resistant to sodium nitrate, sodium carbonate as well as linseed oil and formic and phosphoric acid.