SBS (Styrene-Butadiene-Styrene) and SIS (Styrene-Isoprene-Styrene) are two important types of styrenic block copolymers (SBCs) widely used in polymer processing, adhesives, and material modification. Both combine the strength of polystyrene …
SEPS (Styrene-Ethylene-Propylene-Styrene) is a high-performance hydrogenated styrenic block copolymer (HSBC) that bridges the gap between Vulcanized Rubber elasticity and thermoplastic processability.Its well-defined block architecture …
1,6-Hexanediol diglycidyl ether YLD-6008 is a bifunctional water-compatible epoxy reactive diluent with EEW 142–155 g/eq. The published specification adds 10–25 mPa·s at 25 °C, APHA Max. 40 and chloride ceilings. Solvent-free coatings, …
YLCE-2021 is a cycloaliphatic epoxy resin with two internal epoxy groups, an EEW of 125–135 g/eq and a viscosity of 200–300 mPa·s at 25 °C. Total chlorine is capped at 50 ppm and the cured ester network reaches a published Tg of up to 195 …
YLH-6005 is a low viscosity epoxy hardener built on a nonylphenol-free modified polyetheramine with AHEW 95 g/eq and 250–450 cps at 25 °C. It carries 50 phr against an EEW 190 resin, and this report ranks it here against four in-house …
Phenolic epoxy resin viscosity is a flow property that separates YLEP-631 from YLEP-638. YLEP-631 is a liquid measuring 1,100-1,700 mPa·s at 52 °C; YLEP-638 is semi-solid, with a 36-40 °C softening point. Their EEW windows overlap at …
Solution type phenolic epoxy resin is a multifunctional novolac epoxy supplied as an 80% solids solution, in EEW 170-220 g/eq grades on solids. Two grades are listed, YLEP-210-A80 and YLEP-180-K80. Hardener dosage belongs on the solution …
Styrenated phenol MSP-250 is a colorless to pale yellow phenolic liquid with a hydroxyl value of 230-260 mg KOH/g and a viscosity of 300-800 mPa.s at 25 C. It is used at 1.0-3.0 phr to replace restricted nonylphenol in amine and anhydride …
Tetrafunctional epoxy resin YLSE-721 is a four-epoxy-group aniline epoxy sold in three versions with EEW 105-125 g/eq. Chemically it is 4,4'-methylenebis(N,N-diglycidylaniline); its rigid core pushes crosslink density and heat resistance …
Trifunctional glycidylamine epoxy resin YLSE-0500 is a low-viscosity triglycidyl p-aminophenol liquid at EEW 95-105 g/eq, CAS 5026-74-4. Two siblings, YLSE-0510 and YLSE-0510L, reach 400-1,000 cps at 25 °C. Flow fills fine windings and thin …