Rubber Multiflex Expansion Joint

• Customization: Available
• Certification: DIN, JIS, GB, BS, ASTM, AISI
• Usage: Beam Bridge, Highway Bridge, Railroad Bridge
• Model NO.: REJ
• Structure: Rubber with Steel Plates
• Material: Nature Rubber and Neoprene Rubber
• Activity: Fixed Bearing
• Transport Package: as Request
• Specification: AASHTO
• Trademark: Haider
• Origin: China
• HS Code: 7308100000
• Production Capacity: 1, 000, 000 Meters/Year

Product Description

Rubber Multiflex Expansion Joint

Features: 
a) Rubber Expansion Joint makes bridge smooth and seamless, and it's good for preserving, cleaning and moving snow.
b) The structure is simple, no need to have special stretch frame and anchoring steel bar. Construction is convenient and fast.
c) Rubber Expansion Joint could absorb all kinds of deformations and shaking. And its damping property is high and it's good for bridge shock absorption.
d) Best sealing and waterproof property and anti-acid-base and corrosion.
e) Low cost of construction, durable and remarkable economic benefit and social benefit.


 

Standard		JT/T4-2004		BS5400 Section 9.2
Rubber		Natural Rubber	Neoprene CR	Natural Rubber	Neoprene CR
Hardness(IRHD)		60±5	60±5	50±5/60±5/70±5
Tensile Strength (M Pa)≥		18	17	17	15.5
Ultimate Elongation (%)≥		450	400	450/400/350	400/350/300
Compression Set		70 o C×22h		70 o C×22h	100 o C×22h
		<30	<15	<30	<35
Heat Resistance	Test Condition	70 o C×168h	100 o C×70h	70 o C×168h	100 o C×48h
	Change in Hardness	-5,+10	0,+10	<10	<15
	(IRHD)
	Rate of Tensile Strength Reduction(%)	<15		<15
	Rate of Ultimate	<20	<40	<20	<40
	Elongation Reduction
	(%)
Ozone Resistance		25~50pphm,20% strain		25~50pphm,20% strain
		40 o C×96h		30 o C×96h
		No Cracks		No Cracks