Have you tried this website?-
http://www.espares.co.uk/bin/venda?ex=co_wizr-xapian&threshold=10&bsref=cometspares&morelike=&searchex=&itemsperpage=10¶m1=1&searchinvt=1&A=Cooking&A=Cooking&A=Cooking&A=Cooking&D=Akp510&D=Akp510&D=Akp510&D=Akp510&B=Cookers%20And%20Ovens&B=Cookers%20And%20Ovens&B=Cookers%20And%20Ovens&B=Cookers%20And%20Ovens&U=Whirlpool&U=Whirlpool&U=Whirlpool&U=Whirlpool&carryfields=A,D,xptpl,B,E,U&A=Cooking&D=Akp510&xptpl=wz_xapian_keyword&B=Cookers%20And%20Ovens&E=&U=Whirlpool&srchopt=A,D,B,U
I'm currently looking for the adhesive for fitting these items back together as i was luky the inner glass didnt break when the seal went!!
Did you have any luck getting a suitable sealant??
n Roberts, April 2005