RESIN SEALANT PASTE SEALANT PASTE PUT UP IN CARTRIDGES FOR USE IN THE ELECTRONICS INDUSTRY FOR FILLING HOLES IN MULTI LAYER PRINTED CIRCUIT BOARDS. EMPLOYED IN THE PREVENTION OF SHORT CIRCUITS IN SUCH BOARDS. PRODUCTION PROCESS:- ONCE THE PRINTED CIRCUIT BOARD HAS BEEN INSERTED INTO A SO-CALLED PLUGGING MACHINE, A VACUUM IS CREATED AFTER ABOUT 15 SECONDS. THE FILLING PROCESS STARTS WHEN A PISTON PRESSES THE PASTE OUT OF A CARTRIDGE INTO THE HOLES, AS THE FILL HEADS MOVE ACROSS THE PRINTED CIRCUIT BOARD CONSTITUENTS:- CALCIUM CARBONATE (CAS: 1317-65-3), BISPHENOL A EPICHLOROHYDRIN (CAS: 25068-38-6), 2-METHYL4-(OXIRAN-2-YLMETHOXY)-N,N-BIS(OXIRAN-2-YLMETHYL)ANILINE (CAS:- 110656-67-2), EPOXY RESIN F-44 FORMALDEHYDE POLYMER WITH CHLOROMETHYLOXIRANE AND PHENOL (CAS: 9003-36-5), 4-TERT-BUTYLPHENYL GLYCIDYL ETHER

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING: GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING - 3214 - GLAZIERS' PUTTY, GRAFTING PUTTY, RESIN CEMENTS, CAULKING COMPOUNDS AND OTHER MASTICS; PAINTERS' FILLINGS; NON-REFRACTORY SURFACING PREPARATIONS FOR FAÇADES, INDOOR WALLS, FLOORS, CEILINGS OR THE LIKE GIR 5B HAS BEEN USED TO IDENTIFY THE TYPE OF PACKAGING - IN CARTRIDGES GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL - 321410 - GLAZIERS' PUTTY, GRAFTING PUTTY, RESIN CEMENTS, CAULKING COMPOUNDS AND OTHER MASTICS; PAINTERS' FILLINGS CN CODE - 32141010 - GLAZIERS' PUTTY, GRAFTING PUTTY, RESIN CEMENTS, CAULKING COMPOUNDS AND OTHER MASTICS ALSO CLASSIFIED IN ACCORDANCE WITH:- HARMONIZED SYSTEM EXPLANATORY NOTES (HSENS) NOTE (9)