Houghton Chemical announces earlier customer pick - up hours. We understand early morning work hours and the desire to avoid traffic and the need for a last minute product pick-up before you head to the job site. So come pick up your inhibited glycol, automotive antifreeze, and water treatment products at our new earlier hours. Boston Ma: 7:30 am - 4:30 pm / Carlstadt NJ: 7:00 am - 3:00 pm / Scranton PA: 7:30 am - 4:00 pm / Website: http://www.houghton.com