Belzona 2311

A 2-part polyurethane resin designed for a fast repair, rebuilding and coating of rubber and metal components. This flexible rubber repair material is designed for emergency and permanent applications where high build, durability, elasticity, high abrasion and tear resistance are required. This very fast cold-curing material is easy to mix and apply without the need for specialist tools and it cures at room temperature eliminating the need for hot work.
 
Usage areas: For equipment requiring on-site and quick repair, gaskets, seals, sealing elements, conveyor belt, hoses, rubber linings, cables and bonding metal to rubber.
 

TECHNICAL DATA
Mixing ratio (base:solidifier)	1 : 1 by volume
Working life	2 minutes at 25°C (77°F)
Shelf life	3 years
Adhesion (90° peel)	Mild steel: 2,137 kg/m (119 pli)
Adhesion (180° peel)*cohesive failure of substrate	Natural rubber: 250 kg/m (14 pli)	Styrene-butadiene: 250 kg/m (14 pli)
Volume capacity	66.5 cm3 (4.1 in3) / 75 g
Elongation	450% after 24 hour cure at 20°C (68°F)
Shore A hardness	75
Tensile strength	9.65 MPa (1,400 psi)
Tear strength	4,643kg/m (260 pli)
Abrasion resistance – loss per 1000 cycles	H18 - 109 mm3 dry	H18 - 45 mm3 wet

CURE TIMES
Temperature	10°C (50°F)	15°C (59°F)	20°C (68°F)	25°C (77°F)
No loading or immersion	40 minutes	30 minutes	25 minutes	20 minutes
Full mechanical or thermal loading	2 hours	1 ½ hours	1 hour	50 minutes
Immersion in chemicals	1 ½ days	1 day	18 hours	15 hours