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Preforms for precision moldingsList of Glass Types

Preforms for precision moldings

Preforms for precision moldings is the glass exclusive use of pecision molding process, and widely known as low melting point glass. The hot process preform,  which is formed into a final shape directly from the melting furnace, is distinguished by the prefix "MP-xxxx".

While the cold process preform, which is formed into  a both-side polished through conventional polishing process, is distinguished by the prefix "MC-xxxx". 

Our strong point

Preforms for precision moldings has low melting point compared with the conventional optical glass. Low melting point glass brings the cost effective molding process because of the improvement of process cycle time and the life of mold die.

All of our preform are environment friendly containing no lead or arsenic.

Preforms for precision moldings Preforms for precision moldings

Quality of Products

•PF Product Form

PF Product Form

•Refractive Index of PF

Refractive Index of PF

•Internal Quality of Products

1 … Tolerance of Refractive Index and Abbe-number
2 … Coloration Code
3 … Thermal Properties
4 … Optical Homogeneity
5 … Stress Birefringence
6 … Striae
7 … Bubbles and Inclusions

•Product Specifications

1 … BALL PF (Heat Process PF)
2 … Gob PF (Heat Process PF)
3 … Cold Process PF

List of Glass Types (Preforms for precision moldings)

   Glass Type Code    Glass Type Code    Glass Type Code
MP-FCD1-M20 497-815   MP-TAC60-90 756-512   MP-TAF401 774-472
MC-FCD1-M20 497-815   MP-TAC80-60 730-541 MC-TAF401 774-472
MP-FCD500-20 554-717   MP-FD80 689-312   MP-TAFD51-50 821-427
MC-FCD500-20 554-717 MC-FD80 689-312 MC-TAFD51-50 821-427
MP-PCD4-40 619-639   MP-FDS2 002-193 MP-TAFD305 851-401
MC-PCD4-40 619-639 MC-FDS2 002-193 MC-TAFD305 851-401
MP-PCD51-70 593-670 MP-FDS910-50 822-240   MP-TAFD307 882-372
MC-PCD51-70 593-670 MC-FDS910-50 822-240 MC-TAFD307 882-372
MP-PCD55AR 639-552 MP-NBFD10-20 835-373   MP-TAFD405 952-298
MP-BACD5N 589-613 MP-NBFD130 806-407 Ref. MP-LAC8-30 713-539
MC-BACD5N 589-613 MC-NBFD135 808-409 Ref. MP-FDS1 923-209
MP-BACD12 583-595 MP-TAF31-15 802-455 Ref. MP-LAF81 731-405
MC-BACD12 583-595 MC-TAF31-15 802-455 Ref. MP-NBF1 743-493
MP-BACD15 623-582 MP-TAF101-100 769-493 Ref. MC-NBF1 743-493
MP-LAC130 694-532 MC-TAF101-100 769-493 Ref. MC-TAF1 773-495
MC-LAC130 694-532   MP-TAF105 773-495
  MP-LAC14-80 698-555   MC-TAF105 773-495
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