Frequently Asked Questions
Right now, DairyFlo soft plastic liners and tubing are compatbile with New Zealand’s most common dairy shed milking systems.How long do the liners last?
DairyFlo liners are still performing well after 5000 milking cycles. The surface of DairyFlo soft plastic product is completely smooth, it will not absorb any milk fats, proteins or chemicals which greatly prolongs the life of the product. Rubber and silicone liners are porous, to differing degrees, meaning the surface will start to degrade from day one which will alter the mechanical properties resulting in deficient performance.
Do they absorb milk fat?
DairyFlo liners do not absorb milk fat, minerals or milk proteins. (Tested by Asure Quality). DairyFlo liners are manufactured from thermoplastic urethane (TPU) which has been approved for food contact. This specific TPU is completely FREE of plasticisers. Plasticisers have been added to synthetic resins to promote flexibility and to reduce brittleness, which can migrate out over time.
Why Soft Plastic, instead of Rubber or Silicone?
The raw materials used to manufacture DairyFlo products of thermoplastic urethanes do not contain Bisphenol-A or phthalate compounds, nor does the manufacturing process of thermoplastic polyurethanes generate Bisphenol-A (commonly known as BPA) or phthalate compounds.
There are a number of examples of TPEs replacing vulcanised rubbers. For example, a co-polyester based TPE with high temperature resistance has been developed to replace rubbers such as silicone. A recent development is the manufacture of polyurethane TPE food contact gloves as an alternative to natural rubber or nitrile rubber gloves.
Urethane liners will not absorb milk fats chemicals, outstanding abrasion and impact-resistance for longer life.
Elastomeric memory returns to its original shape when stretched, The properties of the thermoplastic make it the perfect solution to the bacterial problems that occur with other composite liners in dairy sheds.