Neoprene pavement seals

Requirements of ASTM D 2628
Sr. No.	Description	Requirements	ASTM Test Methods
1.	Tensile strength, min.	2000 psi (13.8MPa)	D 412
2.	Elongation at break, min.	min. 250%	D 412
3.	Hardness, Type A durometer	55 +/- 5 points	D 2240
4.	Oven aging, 70 h at 2120 F (1000 C) Tensile strength loss	20% max	D 573
5.	Elongation loss,	20% max
6.	Hardness Change Type A durometer	0 to + 10 points	D 471
7.	Oil Swell, ASTM Oil 3, 70 h at 2120 F (1000C), Weight Change	45% max	D 1149
8.	Ozone resistance 20% strain, 300 pphm in air, 70 h at 1040 F (400 C)	No cracks	D 2240
9.	Low - temperature stiffening, 7 days at 140 F (-100C) Hardness Change Type A durometer	0 to +15 points
10.	Low - temperature recovery, c22h at 140F (-100C) 50% deflection	88% min	9.2 D 2628
11.	Low - temperature recovery, c22 h at - 200 F (-290C), 50% deflection	83% min	9.2 D 2628
12.	High - temperature recovery, c70 h at - 2120 F (1000C), 50% deflection	85% min	9.2 D 2628
13.	Compression - deflection, at 80% of normal width	3.5 lbf/in (613 N/m) min	9.3 D 2628

The seals are manufactured in ISO 9001 Certified Facility

* Advantages:

1. Bonds the Pavement Seal with the Concrete strongly in to the joint.
2. Provides lubrication to the Pavement Seals while inserting into the groove.

Seal application Machine - Powered

Seal application Machine - Manual

In pursuit of continuous improvement, the technical contents are subject to change without any notice.