HMPSA for medical treatment has both hot-melt and pressure-sensitive properties. In the process of making rubber products, it is necessary to heat and melt through special equipment, which reflects the hot fusibility.
The adhesive products such as medical adhesive tape and wound patch can be bonded by finger pressure after tearing, which reflects the pressure sensitivity.
Characteristic
Obedience. When designing HMPSA for medical treatment, special emphasis should be placed on the fluidity of human skin.
After the adhesive tape is applied to the skin, it must have the ability to continuously wet and close to the skin surface.
Ideally, the tape should not curl and fall off due to the bending movement of the joint.
Compatibility with skin. The peel strength should not be too large: the peel strength of the product pasted on the skin should not be too large and kept within a certain limit, otherwise the skin will feel tight and uncomfortable.
No residual glue after tearing: there is no residual glue left after tearing from the skin, especially at the surrounding edges of adhesive materials.
Medical tests must be carried out. Skin irritation test: it is used to test and check whether there are precipitates in the material after gluing to stimulate the skin.
Skin allergy test: repeat the test in different ages and different people’s skin to test the reaction of skin allergy.
Application
HMPSA for medical treatment is the raw material for processing and making medical supplies, medical materials and sanitary supplies.
Its products include: infusion paste, medical ointment, band aid, etc.