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The Small Quantity source of Constantan Foil, Prepreg,
Polyimid and pressed combinations of these materials


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Constantan Foil and Strip Order Information
All foil and strip prices include UPS ground, fully insured shipping in the  U.S.A.
                                       Contact Teksym for international shipping charges.
Constantan Foil: Constantan foil 4 inches wide in continuous roll

      Thin constantan foil 0.0002 inch thick
                              10 Feet                                                 CF-10             $   150.00
                             25 Feet                                                CF-20             $   350.00
                             50 Feet                                                CF-50             $   650.00
                             75 Feet                                                CF-75            $   875.00
                            100 Feet                                                CF-100              $   999.00
                          1000 Feet                                                CF-1000         $ 7,999.00
Due to the delicate nature of the foil, opened boxes of delivered foil are not returnable.
                                    Strip:         (Foil bonded to B stage prepreg or polyimid)
                                               ITEM                                                       Part Number             Price
4" x 16" constantan foil bonded to 0.002" thick glass mat prepreg base using a B-stage cure process
Quantity=1   - 4 inch x 16 inch x 0.0001 foil on 0.002" inch prepreg base     CSP1-1             $   199.00
Quantity=10 - 4 inch x 16 inch x 0.0001 foil on 0.002" inch prepreg base     CSP1-10           $ 1900.00

Quantity=1  -  4 inch x 16 inch x 0.0002 foil on 0.002" inch prepreg base    CSP2-1             $  199.00
Quantity=10 - 4 inch x 16 inch x 0.0002 foil on 0.002" inch prepreg base    CSP2-10           $ 1900.00

Call, e mail or write for delivery time ARO
Price is FOB customer's receiving station.
Opened boxes of delivered foil are not returnable. 
Order Process:

   1. Determine items to purchase. Write, call or e mail for quote.
   2. If ordered in Minnesota, add 7.5% tax on total.
   3. If used for production and located in Minnesota, provide tax exempt number. Tax will not be charged.
   4. Indicate item, length, part number and description.
   5. Indicate Shipping destination
   6. Include payment in the form of check or money order made out to Teksym Corporation.
   7. Include e mail address. Order receipt and shipping information will be returned by e mail

                           Teksym Corporation 1261 Town Line Road
                           Maple Plain, MN 55359
 
                                         Telephone: 612-327-7442
                                e mail: Staff@Teksym.com

Conditions of sale:
    Constantan foil is not returnable for money back due to delicate nature of the foil.
    Payment must clear bank before shipment.
    All orders are prepaid by check or money order.
    Prices are F.O.B. Customer dock in U.S.A.
    Prices are F.O.B Teksym dock for orders outside the U.S.A.
    Contact Teksym for price  and delivery time details

    If unopened box appears damaged, return unopened box, fully insured to: Teksym for replacement.
                                    
Foil and Strip Specifications:
                                        Width:              4 inches, +/- 0.01 inch
                                        Length:             16 inch + 0.10, - 0.00
                                        Foil thickness:    Either 0.0001 inch, +/- 10%, or 0.0002 inch =/- 10%, nominal
                                                                  Teksym does not have metrology to make determinations.
                                        Foil heat treat: 0.0001 inch thick foil ---
                                                                0.0002 inch thick foil ---
                                        Prepreg material: woven fiberglass impregnated with B-stage epoxy
                                        Prepreg glass transition temperature:     o C
                                        Prepreg thickness: 0.002 inches, +/- 20% nominal.
                                        Polyimid: DuPont™ Pyralux® bonding films

B-stage cure process
 
 Foil is bonded to prepreg or polyimid with a combined heat and pressure process. Using a laminating press the sandwich of foil and prepreg is placed in the press and heated to 150o C at pressure of 300 psi. During  the specified hold time, the epoxy of the B-stage prepreg or the B-stage adhesive of the polyimid melts to allow bonding of the foil to the  prepreg. The sandwich is then cooled and pressure is released. At this time the strip is completed.
  
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