Requirements and standards for medical hot melt adhesives

Because the medical hot melt adhesive will directly act on the surface of the human body, the standards and requirements for this hot melt adhesive are very high, so what are the specific standards?

1. Adhesion

Different people have different skin types such as dry and oily, thick and sparse body hair, smooth and rough. And human skin has a certain degree of breathability, but also has different differences such as oiliness, sweating, dryness, etc. In response to these differences, when choosing an adhesive, it is necessary to ensure the firmness of the bond and the excellent resistance of the material itself. Sensitivity and odor.

2. Compatibility with skin

①The peel strength of the medical hot-melt adhesive should not be too large: the peeling degree of the medical hot-melt adhesive should be kept within a certain range. Excessive peel strength may cause skin tension and discomfort when applied. There is pain and skin damage when tearing.
②Good initial viscosity: Since the material is mostly used on or around the wound, it is not suitable to press hard. Hot melt adhesive requires good initial viscosity and is easy to stick to the skin.

3. Hypoallergenic

The use of medical hot-melt hot-melt adhesive products is required to not cause irritation to the skin, such as redness, itching and other allergic reactions.

4. Breathability

Medical hot-melt pressure-sensitive products need to have good permeability, which can greatly reduce the occurrence of skin allergies. Maintaining permeability during construction also helps the skin to sweat, keeps the wound dry, and has a positive effect on accelerating wound healing.

The hot melt adhesive for the medical industry produced by winlong perfectly meets the needs of the adhesive in the medical industry. Not only does it pass the anti-sensitization test of the authoritative department and meets the sensitization standards of medical excipients, but also provides safe and good skin-affinity adhesive products for different bonding effects!