

Polyester resin
Polyester saddle is a polymer saturation that has no two or triple bonds in its main carbon chain.

Harder Epoxy HR 500
An acceptable optical properties

Epoxy Resin 270 and Harder Epoxy 320
Zain Epoxy 270 and Harder Epoxy 320

Epoxy Resin 140 and Harder Epoxy 502
Very little uncertainty

Mastic HA Type 3
HA -Type 3 steak