Mitragyna speciosa is an evergreen tree that can grow to a height of 25 m (82 ft) tall and the trunk may grow to a 3 ft (0.91 m) diameter. The trunk is generally straight and the outer bark is smooth and grey.
Overall though, metal is a much better option than plastic. In most cases, it is much more effective and reliable, and the right choice of metal will avoid the pitfalls of rust or weakness. Aluminium, steel and stainless steel are the three metal gutter materials for guards that homeowners can choose from.
KynarÂ® has several properties which make it ideal for a broad range of demanding applications. It is FDA compliant and meets USP Class VI, NSF 51, NSF 61, and NSF 14 requirements. Also, it has low TOC, excellent chemical resistance to most strong chemicals, is UV stable, and is rated for high temperatures. PVDF is ideal for use in high-purity water systems, for laboratory uses, food and drink applications and many more. It can be a great replacement to TeflonÂ® (PTFE). Low extractables, flexibility and superior chemical resistance make KynarÂ® the material of choice for a wide range of uses.