... contact glue for high grade quality sponge and foam is high solids, powerful, light smell and economical. Product: contact glue for high grade quality sponge ... no thread spraying, powerful bonding, heat-resistant, could endure the high tempreture of 70 ,cold-resistant and aging-resistant, THE TIME ... . A glue coat which is too thick results in high cost slow drying and glue accumulation.c. Uneven glue ...