Lot Number:    J- Wig Wag

Testing Date:     1/17/22

Date of Report:  1/22/22

Testing Site:       Rosenwald Lab

Lab Technician: Mike Smith

Invoice Number:  2022-2008

Customer:  ABC Rubber Corp.

Testing Ingredients PHR

 SBR BMB            169.00

Zinc Oxide           5.00

Stearic Acid          1.50

Sulfur                    1.75

TBBS                     1.25

Mix rubber, Zinc Oxide and Stearic Acid in banbury till 330 degrees F, raising and lowering the ram till no more steam comes from the banbury.  Move the mix from the banbury to the mill.  Allow material to work on the mill till temperature drops below 230 degrees F.   Then add Sulfur and TBBS.  Cure for 9 minutes at 325 degrees F. 

Test Results

Durometer 60 shore A

Tensile* 3320 PSI

Elongation 480%

Moisture 0.25 %