WPI adhesives are engineered to meet the demanding needs of scientific laboratories and research institutions — combining mechanical strength, chemical resistance, and biocompatibility for applications ranging from cell culture and tissue preparation to electrode fabrication and component assembly.
Each material category — Epoxies, Hot Melt Adhesives, Silicones, and Cyanoacrylates — is optimized for specific use cases, ensuring precise performance under varying thermal, mechanical, and biological conditions.
EPOXIES — Conductive & Structural Bonding Solutions
Forming strong, durable bonds ideal for wire bonding, electrode assembly, and precision component adhesion, WPI epoxies deliver reliable performance and excellent conductivity options.
| Part No. |
Product |
Curing Time |
Applications & Characteristics |
| 4898 |
Silver-Filled Conductive Epoxy |
12 hrs @ 50°C; 5 min @ 150°C |
For connecting conductors that cannot be soldered; constructing or connecting Ag/AgCl pellets. |
| 7335 |
Carbon-Filled Conductive Epoxy |
48 hrs @ 25°C; 5 min @ 150°C |
Ideal for constructing carbon electrodes. |
| 4886 |
High-Performance Structural Epoxy |
12 hrs @ 25°C |
Creates strong yet slightly flexible bonds on plastic, metal, and glass — adheres even to some low-surface-energy materials. |
Key Features:
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Strong and stable adhesion
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Electrically conductive variants for electrode fabrication
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Suitable for plastics, metals, ceramics, and glass
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Room temperature or heat-assisted curing options
HOT MELT (EVA) — Fast & Easy Bonding
Perfect for quick assembly and large gap filling, WPI’s hot melt system ensures instant adhesion once cooled.
| Part No. |
Product |
Curing Time |
Applications & Characteristics |
| 13316 |
Mini Glue Gun with Glue Sticks |
Immediate (on cooling) |
Bonds wood, glass, metals, and many plastics — ideal for rapid lab assembly tasks. |
Advantages:
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Ready-to-use, portable system
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Excellent for prototyping and quick repairs
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Strong adhesion across diverse materials
SILICONE SYSTEMS — Adhesives, Sealants & Primers
These biocompatible, elastic, and moisture-resistant silicones are ideal for biological, electronic, and tissue preparation applications.
Their low toxicity and flexible cure profiles make them a top choice in neurophysiology and biomedical engineering.
| Part No. |
Product |
Curing Time |
Applications & Characteristics |
| 1571 |
RTV Adhesive (Acyloxy/Moisture Cure) |
24 hrs @ 25°C |
Strongest adhesion in its silicone family; bonds to many materials. |
| 7128 |
RTV Sealant (Alkoxy/Moisture Cure) |
72 hrs @ 25°C |
Excellent for sealing and bonding metal-based electronic circuits. |
| SYLG184 |
Sylgard, Two-Part Vinyl/Platinum Cure |
24 hrs @ 25°C or 15 min @ 150°C |
Ideal for coating patch clamp electrodes, cell culture dishes, or making dissection pads. |
| Kwik-Sil |
Two-Part Adhesive (Vinyl/Platinum System) |
<5 min @ 25°C |
Medium-strength, fast-curing adhesive for live tissue and nerve studies. |
| Kwik-Cast |
Two-Part Sealant (Vinyl/Platinum Cure) |
<5 min @ 25°C |
Used for embedding electrodes or sealing around live tissue during electrophysiological experiments. |
| 6820 |
Silicone Primer |
N/A |
Enhances adhesion of silicone to difficult-to-bond plastic surfaces. |
Key Benefits:
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Low toxicity — safe for biological environments
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Flexible, waterproof, and chemically resistant
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Fast and room-temperature curing options
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Excellent electrical insulation and moisture sealing
CYANOACRYLATES — Instant Adhesion for Precision Work
These fast-curing, high-strength adhesives form instant bonds across metal, plastic, rubber, and biological tissue.
They are ideal for mounting, assembly, and in vivo applications requiring rapid polymerization and low toxicity.
| Part No. |
Product |
Curing Time |
Applications & Characteristics |
| 7341 |
Ethyl Cyanoacrylate (Low Viscosity, 90–120 cps) |
<10 seconds |
Used for mounting rat/mouse brain slices; suitable for small gaps and smooth surfaces. Bonds plastics, metals, and rubber. Supplied in 10 × 1.5 mL vials. |
| 7342 |
Ethyl Cyanoacrylate (High Viscosity, 1100–1600 cps) |
<30 seconds |
Ideal for brain slice experiments and larger gaps; allows slightly longer bonding time. Bonds plastics, metals, and rubber. Supplied in 10 × 1.5 mL vials. |
| Vetbond |
Butyl Cyanoacrylate (Low Toxicity) |
<10 seconds |
Tissue adhesive for wound closure — an alternative to sutures with antimicrobial effects; used in forensic and biomedical applications. |
| 503763 (GLUture) |
Octyl Cyanoacrylate (Low Toxicity) |
<15 seconds |
Medical-grade adhesive for surface wound bonding, tissue protection, and securing sensors or electrodes. |
Advantages:
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Instant bonding — no mixing or curing required
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Low-toxicity formulations for biological applications
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High mechanical strength on smooth and porous surfaces
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Available in varying viscosities for precise application control
