1. CAN YOU UTILIZE COLLAPSIBLE CORES OR EXPANDABLE CAVITIES IN DIE CASTING APPLICATIONS?

ANSWER: NO. THE TEMPERATURES ASSOCIATED WITH ZINC, MAGNESIUM OR ALUMINUM ARE TOO EXTREME. THE MOLDING END OF THE COLLAPSIBLE CORE OR EXPANDABLE CAVITY CAN HANDLE 650 DEGREE F. MAXIMUM.

2. DOES THE COLLAPSIBLE CORE COME WITH THE GRINDING RING?

ANSWER: NO. THE GRINDING RING IS ONLY PROVIDED WITH THE COLLAPSIBLE MINI CORE.

3. WHERE CAN I GET INSTALLATION INFORMATION ON THE COLLAPSIBLE CORE?

ANSWER: THE COLLAPSIBLE CORE DESIGN AND ASSEMBLY GUIDE

1. CAN I MOLD A COMPLETE, UN-INTERRUPTED UNDERCUT ON THE COLLAPSIBLE MINI-CORE?

ANSWER: NO-THE MINI CORE ONLY HAS THREE SEGMENTS THAT COLLAPSE.

2. DOES THE COLLAPSIBLE MINI-CORE COME WITH A GRINDING RING?

ANSWER: YES - PLEASE REFER TO THE COLLAPSIBLE CORE DESIGN AND ASSEMBLY GUIDE.

3. DOES THE COLLAPSIBLE MINI-CORE COME WITH A NON-BLADED CENTER PIN REQUIRED FOR PROPER CORE GRINDING?

ANSWER: YES - PLEASE REFER TO THE COLLAPSIBLE CORE DESIGN AND ASSEEMBLY GUIDE.

1. WHAT CONVENTIONAL METHOD FOR PRODUCING EXTERNAL UNDERCUTS ON A PLASTIC PART DOES THE EXPANDABLE CAVITY ELIMINATE?

ANSWER: SLIDES

2. ARE THE EXPANDABLE CAVITIES A STOCK ITEM?

ANSWER: NO-EVERY ONE IS CUSTOM MADE TO SUIT THE PART/MOLD REQUIREMENTS.

3. DOES D-M-E MACHINE THE PART SHAPE ONTO THE EXPANDABLE CAVITY?

ANSWER: NO - DME WILL NOT PROVIDE QUOTES TO MACHINE THE CUSTOMERS PART SHAPE INTO THE EXPANDABLE CAVITY.

Corexp.doc

10-04-04