MP 55305 | Krayden

Main features

No-Prep Impact-Resistant Bonding
2 to 3-Minute Open Time
Thermal-Cycling and Chemical Resistance

Product Description

MP-55305 is a high-performance, two-part structural methyl methacrylate (MMA) adhesive designed for bonding a wide range of materials, including plastics, metals, and composites. It cures at room temperature and delivers exceptional strength and stiffness with outstanding resistance to temperature fluctuations, thermal cycling, and harsh chemicals without requiring surface preparation.

Key features

No surface preparation required: Ensures long-lasting reliability and high impact resistance without the need to prepare most surfaces.
Fast curing and convenient: Features a 1:1 mix ratio with a 2 to 3 minute open time and achieves fixture in 5 to 8 minutes at room temperature.
UL Certified: Recognized as a component for sign accessories under file number E350958.

Applications / Suitable for

Suitable for bonding metals such as aluminum, steel, stainless steel, and e-coated metal.
Designed for thermosets including fiberglass, phenolic, epoxy, and polyurethane.
Ideal for thermoplastics like acrylic, ABS, polycarbonate, PVC, and nylon/PA.

TDS, SDS & Technical Documents

Technical Specifications

General Properties

Appearance

Amber or green, viscous liquid

Mix Ratio

1:1

Pot Life

2–3 min minutes

Product Type

Two-part modified acrylic structural adhesive

Additional Information

Technical properties

As-supplied / before-processing properties

Pre-cure properties of MP-55305 structural adhesive.

Property	Value	Unit	Method / condition
Appearance / Color	Amber or Green	-	-
Mix Ratio (Volume & Weight)	1:1	-	-
Viscosity (Resin)	60,000-80,000	cPs	Brookfield RV7, 20 RPM, 25°C
Viscosity (Activator)	60,000-120,000	cPs	Brookfield RV7, 20 RPM, 25°C
Mixed Density	0.98	g/cc	-
Open Time	2-3	Minutes	-
Fixture Time	5-8	Minutes	-