Neoprene Rubber Expansion Joint
Haider Construction Engineering Materials Factory- Material：EPDM
- Application：Vehicle
- Effect：Fixture&Sealing
- Cross-Section Shape：Rectangle Ring
- Transport Package：as Request
- Specification：AASHTO
Base Info
- Model NO.：REJ
- Trademark：Haider
- Origin：China
- HS Code：7308100000
- Production Capacity：1, 000, 000 Meters,Year
Description
Standard JT/T4-2004BS5400 Section 9.2 RubberNatural RubberNeoprene
CRNatural
RubberNeoprene
CRHardness(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×96h No CracksNo Cracks
CRNatural
RubberNeoprene
CRHardness(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×96h No CracksNo Cracks