Polymer Systems
Technology Limited

OPTOELECTRONICS SILICONE

POTTING & ENCAPSULATING GELS
PRODUCT NUMBER	REFRACTIVE INDEX / COLOR	VISCOSITY cP (mPa·sec)	DUROMETER / PENETRATION* (mm)	WORK TIME / TACK FREE TIME*	COMMENTS
OPTICALLY CLEAR
LS-3238	1.38	1,500	15 (TYPE 00)	11 h	Index matches Magnesium Fluoride. Resistant to hydrocarbon solvents.
LS-3252	1.52	425	10 (TYPE 00)	-	Optically clear encapsulation gel
LS-3441	1.41	14,500	0.4 mm	24 h	Low volatility. Optically robust.
LS1-3443	1.43	650	6.0 mm	-	Optically robust. Increases brightness.
LS-3246	1.46	1,000	10 (TYPE 00)	8 h	Index matches glass.
LS-3443	1.43	650	5 mm	-	Optically clear, diphenyl, firm silicone gel
LS1-3252	1.52	< 400	25 (TYPE 00)	-	1.52 refractive index for matching BK7
LS-3354	1.54	5,400	65 (TYPE 000)	1.5 h	Low permeability. Excellent for phosphor coatings.
LS3-3354	1.54	5,200	60 (TYPE 000)	80 m	Low permeability. Excellent for phosphor coatings.
GENERAL PURPOSE
GEL-8136	TRANSLUCENT	450	14 mm	-	High tack gel.
GEL8-8150	TRANSLUCENT	500	4.0 mm	1.5 h	RTV in 48 hours
GEL-8170	TRANSLUCENT	600	9.0 mm	-	-
GEL-8250	TRANSLUCENT	650	5.0 mm	2 h	RTV cure. Broad operating temperature
EPM-2482	TRANSLUCENT	1,800	3.0 mm	-	Low volatility. For applications requiring a broader operating temperature range. Optimized for power electronics.
EPM-2480	TRANSLUCENT	2,500	4.0 mm	> 30 h	Low volatility.