Haider Construction Engineering Materials Factory  

Product Name: Neoprene Rubber Expansion Joint Model NO.: REJ Cross-Section Shape: Rectangle Ring Effect: Fixture&Sealing Application: Vehicle Material: EPDM Trademark: Haider Transport Package: as Request Specification: AASHTO Origin: China HS Code: 7308100000 Product Description Neoprene Rubber Expansion JointFeatures: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.StandardJT/T4-2004BS5400 Section 9.2RubberNatural RubberNeopreneCRNaturalRubberNeopreneCRHardness(IRHD)60±560±550±5/60±5/70±5Tensile Strength (M Pa)≥18171715.5Ultimate Elongation (%)≥450400450/400/350400/350/300Compression Set70 o C×22h70 o C×22h100 o C×22h<30<15<30<35Heat ResistanceTest Condition70 o C×168h100 o C×70h70 o C×168h100 o C×48hChange in Hardness-5,+100,+10<10<15(IRHD)Rate of Tensile Strength Reduction(%)<15<15Rate of Ultimate<20<40<20<40Elongation Reduction(%)Ozone Resistance25~50pphm,20% strain25~50pphm,20% strain40 o C×96h30 o C×96hNo CracksNo Cracks