Medical Device Assembly

Typical applications in medical engineering are bonding and sealing of two-piece transparent polycarbonate or acrylic housings. These are for example the housings of dialysis filters and blood oxygenators, or bonding of blood bag plastics components.

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Medical Grade Adhesives brochure

Valves of various sizes can also be simply and quickly bonded with Hoenle adhesives. The recommended adhesives are certified to meet biocompability standards and are available in various viscosities. This allows rapid filling and bonding of joints with different gap dimensions to create transparent joints between plastics components.

A range of UV adhesives with very good adhesion to a wide variety of plastics are available for adhesive selection. If the components to be bonded are not transparent or not permeable to UV rays, moisture or heat-curing adhesives should be used as an alternative.

The two parts of a plastic dialysis filter are being bonded with fluorescent adhesive

The table below lists a selection of biocompatible adhesives from Hoenle for bonding synthetics such as PVC, polycarbonate, ABS and SAN. Further products and custom solutions are available on request. To download the technical datasheets (TDS) please click on the adhesive name.

Adhesive Application Areas Viscosity [mPas] Base Curing * Substrates Special Properties
Cyanolit® 203 TX
  • Bonding hose unions,
  • bridging large gaps,
  • suitable for porous materials
 		shear thinning cyanoacrylate moisture, room temperature
  • Ideal for bonding PA, PC, ABS, PVC, EPDM
  • Biocompatible: certified to USP Class VI standards
Cyanolit® 241 F
  • Plastic bonding,
  • metal bonding
 		30-50 cyanoacrylate moisture, room temperature
  • Ideal for bonding PVC, ABS, PA, PC, PMMA, aluminium, steel, copper
  • Instant adhesive
  • plastic bonder
  • perfect choice for mirror bonding
Cyanolit® 290 WR
- 400 (LVT, 25 °C, Sp. 2/60 rpm) cyanoacrylate athmospheric moisture room temperature
  • High adhesion to aluminum, steel, ABS, PC, PVA, PVC
  • Instant adhesive, fast-curing, water-resistant, chemical-resistant, moisture-resistant, certified to ISO 10993-5
Cyanolit® 732 F
  • Bonding coloured plastics,
  • delicate bonds
 		230-350 (LVT, 25 °C, Sp. 2/60 rpm) cyanoacrylate moisture, room temperature
  • Ideal for bonding PVC, PMMA, ABS, PA, PC, EPDM, stainless steel
  • Film forming,
  • suitable for bonding porous materials,
  • biocompatible: certified to USP Class VI standards
Structalit® 5893
  • needle bonding
  • plastic bonding
 		6,000-10,000 (Rheometer, 25°C, 10s^-1) epoxy thermal
  • plastic bonding
  • Black color
  • excellent flow properties
  • filling material for frame&fill applications
  • high resistance to heat and chemicals
  • certified to ISO 10993-5 standards
Vitralit® 4731
  • Bonding of flexible components;
  • Attaching components on PCBs
 		900-1,500 (LVT, 25°C, Sp. 3/30 rpm) acrylate UV VIS
  • Bonding PC /Makrolon, hard-PVC, PET, ABS, SAN, PMMA (Plexiglas®, acrylic glass)
  • Bonding glass, steel, stainless steel, aluminium, brass
  • Dry surface after curing,
  • biocompatible: certified to USP Class VI and ISO 10993-5 standards
Vitralit® 5140
  • Sealing electrical assemblies,
  • breathing masks
 		250-500 acrylate UV VIS
  • Bonding ABS, PMMA (Plexiglas®, acrylic glass), hard-PVC, PET, SAN, PC
  • Joining glass and plastics
  • Joining metals to plastics
  • Joining plastics with various substrates
  • Flexible,
  • well suited for bonding plastics with low UV translucence and permeable to visible light,
  • biocompatible: certified to USP Class VI standards
Vitralit® 7041
  • Needle bonding,
  • bonding enclosures
 		50-90 (LVT 25°C, Sp. 2/60 rpm) acrylate UV VIS
  • Bonding PMMA, PC, hard-PVC, PET-A, PET-G, PUR, PS, ABS, Glass, steel, stainless steel
  • Excellent adhesion to glass, plastics and metals;
  • biocompatible: certified to USP Class VI standards
Vitralit® 7041 F
  • Needle bonding,
  • bonding enclosures
 		50-90 acrylate UV VIS
  • Bonding PMMA, PC, hard-PVC, PET-A, PET-G, PUR, PS, ABS, glass, stainless steel, steel
  • Fluorescing,
  • excellent adhesion to glass, plastics and metals;
  • biocompatible: certified to USP Class VI and ISO 10993/-4/-5 standards
Vitralit® 7041 T
  • Needle bonding,
  • bonding dialysis filters
 		1,500-2,300 acrylate UV VIS
  • Bonding PMMA, PC, hard-PVC, PET-G, PUR, PS, ABS, Glass, steel, stainless steel, PET-A
  • High viscosity/stable,
  • excellent adhesion to glass, plastics and metals;
  • biocompatible: certified to USP Class VI and ISO 10993/-4/-5 standards
Vitralit® 7090 VHS
  • Bonding catheters,
  • needle bonding
 		40-100 acrylate UV VIS
  • Bonding PC (Makrolon), hard-PVC, ABS, SAN
  • Dry surface,
  • very high adhesion to plastics,
  • biocompatible: certified to USP Class VI standards
Vitralit® 7311 FO
  • Plastic bonding, glass bonding
  • Suitable for large area bonding
  • Suitable for applications with small gaps
 		40-70 (Newtonian liquid, Rheometer, 25 °C) acrylate UV VIS
  • Very good adhesion to PC, PVC, PMMA, ABS,
  • glass, metal and aluminium
  • Fluorescing orange
  • Capillary flowing
  • Resistant to moisture and alcohol
  • Biocompatible, certified according to USP Class VI and ISO 10993-5/10
  • Resistant to sterilization
Vitralit® 7311 FO T
  • bonding plastics/glass bonding
  • suitable for elastic bonding of large surfaces
 		1,000-3,000 (Rheometer, 25 °C, 10s­^-1) acrylate UV VIS
  • Bonding PC (polycarbonate),
  • PVC, PMMA, ABS, glass and metals
  • Fluorescing orange
  • High resistance to alcohols and moisture
  • non-yellowing
  • very high adhesion to plastics, glass and metals
  • suitable for bonding large areas
  • certified according to USP Class VI
Vitralit® 7989
  • Plastic bonding,
  • bonding containers
 		3,000-5,000 acrylate UV
  • Bonding hard-PVC, ABS, SAN, PUR, PC
  • Excellent adhesion to plastics, especially to PC and PMMA;
  • biocompatible: certified to USP Class VI standards
Vitralit® E-4731
  • Bonding hose fittings,
  • bonding housings
 		700-1,400 (LVT, 25°C, Sp. 3/30 rpm) acrylate UV VIS
  • Bonding PC /Makrolon, hard-PVC, PET, ABS, SAN, PMMA (Plexiglas®, acrylic glass)
  • Bonding glass, steel, stainless steel, aluminium, brass
  • Flexible, excellent adhesion to glass and plastics, dry surface,
  • biocompatible: certified to USP Class VI and ISO 10993-5 standards, CMR-free
Vitralit® UV 4050
  • needle bonding
  • plastic bonding
 		140-500 (LVT, 25°C, Sp. 2/30 rpm) acrylate UV VIS
  • Bonding hard-PVC, PUR, PS, ABS, SAN, Glass, steel, stainless steel, PC (polycarbonate)
  • Certified to ISO 10993-5 and USP Class VI standards
  • modified acrylate
  • impact resistant
  • very fast curing
  • very high adhesion to plastics

*UV = 320 – 390 nm          VIS = 405 nm

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