求购光学玻璃（K509、ZF11等）

optical glass must meet the following tolerance

ND=1A,(NF-NC)=1A
Homogeneity=2, Birefirngence=2
Heat absorption=4,Striae=1A
Bubble=3A, Fine annealed


a,K509(BLOCK size L300xW160x H30-40) 30 Kg
b,Fused silica JGS3 (BLOCK size L200xW150x H80) 30Kg
c,ZF11 (BLOCK size L300xW160x H40)20Kg
d,ZlaF2(BLOCK size L300xW120x H20-40)30Kg
e,P11(BLOCK size L200xW200x H50)20Kg

请能提供的玻璃厂商速报价到sales@kgoptics.com,谢谢！

光明厂好象有。