DI-CUP KEEPS WHITE STOCK WHITER First introduced commercially last y e a r , Hercules Di-cup (dicumyl peroxide) h a s already become well established _as a c u r i n g agent t h a t i m p r o v e s whiteness and color retention of white stock formulations. Because Di-cup does not contain sulfur and will n o t discolor, white stock is whiter from the very beginning. And Di-cup's outstanding color retention keeps the finished product white longer despite exposure to the vsun. A stable peroxide of low volatility. Di-cup gives good retention of elongation, modulus, and tear strength on aging. It also provides low compression set in vulcanizates of natural rubber and most synthetic elastomers. For more information on this versatile a n d economical curing agent, send for new data sheet.
DI-CUP ^
Ox\ chemicals
HERCULES
Division
· .Xara/ Stores
POWDER,
932 Market St., Wilmington
Department
COMPANY 99. Del.
£ JUNE
3,
19 5 7
C&EN
