robbins llc is manufacturing leader in two distinct industries: tire retreading products and custom mixing of rubber compounds. robbins sets the standard internationally in the retreading industry for quality envelopes and curing tubes, customer satisfaction and low cost-per-cure pricing. in addition, the customix� division at robbins enjoys a reputation as a large-scale, full-production manufacturer of the highest quality custom-mixed elastomer compounds and is a key supply partner to customers throughout north america.