Permabond TA4605 Polyolefin (PE, PP) & Rubber Bonder Thick Gel Fast Set 5-10 min Acrylic MMA Adhesive Off-White

Product Name

Permabond TA4605 Polyolefin (PE, PP) & Rubber Bonder Thick Gel Fast Set 5-10 min Acrylic MMA Adhesive Off-White

Brief Description

Permabond TA4605 is a two-part, 1:1 toughened acrylic (MMA) adhesive formulated for strong, structural bonding. It is particularly effective for difficult-to-bond low surface energy plastics like polypropylene (PP) and polyethylene (PE) without requiring primers or surface treatments. This fast-curing, off-white, thick gel adhesive also provides excellent adhesion to various rubbers, metals, and composite materials, making it suitable for bonding dissimilar substrates.

Popular Applications & Uses

- High-speed assembly of plastic components- Bonding rubber to plastic or metal- Electrical enclosures and panels- Polyolefin bonding in general manufacturing- Automotive, sign, and building product assemblies- Structural bonding of advanced materials in aerospace and transport- Bonding magnets in loudspeakers and electric motors- Truck and construction equipment components like side/roof panels, door panels, and aerodynamic parts- Composite bonding for truck trailer beds, fenders, and stiffeners- Marine applications including bonding hulls, deck liners, ski boats, yachts, and internal fixtures- Manufacturing of wearable and handheld electronic devices

Industries that Commonly Use It

- General Manufacturing- Plastic Fabrication- Automotive Service/Repair- Transportation/ Specialty Vehicle- Marine- Metal Fabrication- Sign & Display- LED/Electronics- Fabrication- Aerospace/Defense- Construction/ Building Services

Special and Unique Features

- Primerless adhesion to low surface energy plastics (PE, PP, PTFE)- No flame, corona, or plasma treatment required for polyolefins- Fast fixture time of 5-10 minutes- Thick gel formula, thixotropic, non-sagging, and gap-filling up to 1mm (contains microbeads)- Excellent impact and water resistance- Good chemical resistance- Bonds dissimilar substrates effectively (e.g., metal to plastic)- Full cure at room temperature- 1:1 mix ratio for easy manual or automated dispensing- Toughened acrylic formulation provides high strength, peel, and impact resistance

Key Properties

- Chemistry: 2-part, 1:1 Toughened Acrylic (MMA)- Color (Mixed): Off-white- Viscosity (Mixed): ~125,000 cP- Pot Life @ 23°C: 2–4 minutes- Fixture Time @ 23°C: 5–10 minutes- Handling Time @ 23°C: 20–25 minutes- Full Cure @ 23°C: 24 hours- Max Gap Fill: 1.0 mm (contains microbeads)- Service Temperature: -55°C to +100°C- Shear Strength (Typical): Polypropylene >8 N/mm², HDPE 15 N/mm², EPDM >3.5 N/mm²

Surface Compatibility

- Low Surface Energy Plastics: Polypropylene (PP), Polyethylene (PE - HDPE, LDPE, UHMW), PTFE- Rubbers: EPDM, Nitrile- Metals: Mild Steel, Stainless Steel, Aluminum, Copper and its alloys (with light abrasion)- Composites: Carbon Fiber, FRP (fiber reinforced plastics), GRP (glass reinforced plastics), Unsaturated Polyester, Vinyl Ester, Gel-coat, Sheet Molding Compound, Epoxy- Engineering Plastics: ABS, PVC, Polycarbonate, PA6, PET-G- Other: E-Coatings

Known backups / known substitutes

- 3M DP8005- 3M DP8010- Scigrip SG400 LSE- Permabond TA4610 (for larger components)- Infinity Bond MMA 500 (for difficult plastics)

Comparison Note

Permabond TA4605, as an MMA adhesive, offers advantages over traditional joining methods like welding or riveting by providing strong bonds without adding weight or bulk, and tolerating dissimilar materials. Compared to some epoxies, MMAs are less brittle, can fill larger gaps, and allow for differential thermal expansion and contraction. They also generally require less surface preparation than many other adhesives, often only needing a solvent wipe. Its fast cure speed is beneficial for high-speed production lines.