Transit Parts | Mechanical Rubber™

Specifications

COMPOUNDS	MR35-70-46	MR15-60-MG34091	MR15-70-P3715A	MR15-70-86341(4)
	Neoprene 70 Durometer BC – BE SC	EPDM 60 Durometer BA – CA – DA RS	EPDM 70 Durometer BA – CA – DA RS	EPDM 70 Durometer BA – CA – DA RS

ASTM C1166 Flame Propagation	●	●		●

ASTM E162 Surface Flammability	●

ASTM E662 Optical Smoke Density	●	●	●	●

ASTM E1354 Heat & Visible Smoke Release	●

BSS 7239 Toxic Gas Emission	●			●

FMVSS 302 Flammability of Interior Materials	●	●

NFPA 130 Standard. Fixed Guideway Transit and Passenger Rail Systems	●	●

SMP 800-C, REV.6 Toxic Gas Emission	●

Part	Elastomer	Compound	Durometer	Density	Tensile	Elongation
Glazing Seal	Buna S / SBR	MR43-80-01	80±5	1.26	1500 psi	100%
Door Seal	Neoprene	MR35-70-46	70±5	1.70	1200 psi	350%
Drain Boot	Neoprene	MR35-40-38	40±5	1.28	2900 psi	500%
End Door Check Bumpers	EPDM	MR15-65-01	65±5	—	2500 psi	600%
Air Spring Bumper	Neoprene	MR35-60-49	60±5	1.35	2100 psi	550%