834FX Black Flexible Epoxy, Encapsulating & Potting Compound 8 3 4F X is a 2- par t , fl ame - ret ardant , t her mally c o nduc t ive, fex ible ep ox y re sin t hat provi de s ex t reme enviro nment al, me c hanic al and physic al prote c t i o n fo r pr inte d c irc uit b oards and e le c t ro nic as sembli e s. T his pro duc t is de si gne d fo r applic at i o ns w here minimizing t he physic al st re s s on c o mp o nent s is c r it ic al. It is g o o d in l ow temp er ature and arc t ic enviro nment s, and in applic at i o ns t hat invo lve temp erature cyc ling o r r api d temp er ature c hange s. It provi de s t he f unc t i o nalit y of silic o ne, but w it h t he dur abilit y and c o st- ef fe c t ivene s s of epoxy. Cured Properties 11 Resistivity 7.5 x 10 cm Features & Benefits Breakdown Voltage 36 300 V D i e le c t r ic St rengt h 365 V/mil Flex ible and l ow m o dulus D is sipat i o n Fac to r 1 M Hz 0.04 Flame - ret ardant meet s U L 9 4V- 0 D i e le c t r ic C o nst ant 1 M Hz 4.5 C o nveni ent 1A :1B vo lume mi x r at i o H ardnes s 88 A Low exot her m 2 Tensile St rengt h 5. 3 N /mm G o o d adhe si o n to a w i de var i et y of 2 C ompre s sive St rengt h 21 N/mm subst r ate s inc luding met als, c o mp o site s, 2 L ap Shear (st ainle s s stee l) 3.7 N/mm glas s, c er amic s, and many plast ic s 2 (aluminum) 2.7 N/mm E xc ellent ele c t r ic al insulat ing c har ac ter ist ic s G las s Tr ansit i o n Temp er ature (T ) 0.7 C g N o n - hal o genate d fl ame - ret ardant fi ller s CT E Pr i o r T 71 ppm /C g S o lvent- f ree CT E A f ter T 137 ppm /C g T her mal C o nduc t ivit y 25 C 0.6 W/(m K) Ser vic e Temp er ature Rang e -50 125 C Available Packaging Inter mit tent Temperature -55165 C Cat. No. Packaging Net Vol. Net Wt. 834FX-450ML 2 Bottle kit 450 mL 728 g Usage Parameters 834FX-1.7L 2 Can kit 1.7 L 2.75 kg Wo r k ing T ime 2.5 h M i x Rat i o by Vo lume 1:1 M i x Rat i o by Wei ght 1:1 Contact Information M G C h e m ic a l s , 1210 C o r p o r a t e D r i ve B u r l i n g t o n, O nt a r i o, Ca n a d a L7 L 5 R 6 Uncured Properties Ema il: s u p p o r t m g c h em i c a ls .c o m M i xe d D ensit y 1.6 g /mL P ho n e: N o r t h A me r ic a: + (1) 8 0 0 - 3 4 0 - 07 72 V isc o sit y 25 C (A) 8.0 Pas I nt e r n a t i o n a l: + (1) 9 0 5 - 3 31-13 9 6 (B) 16 Pas Eu ro p e: + (4 4)16 6 3 3 6 2 8 8 8 She lf Li fe 5 y ISO 9001:2015 Quality Management System. Burlington, Ontario, Canada SAI Global File: 004008 10 December 2021 / Ver. 3.0 1834FX Application Instructions Viscosity vs. Temperature Part A Part B 18000 Read the product SDS and Applic ation Guide for 16000 more detailed instructions before using this product (downloadable at w w w.mgchemicals.com). 14000 12000 10000 Recommended Preparation 8000 Clean the substrate with Isopropyl Alcohol, MG 824, 6000 so the sur face is free of oils, dust, and other residues. 4000 20 25 30 35 40 45 50 55 60 Temperature (C) Mixing 1. S c r ap e set t le d mater ial f ree f ro m t he b ot to m Cure Instructions and si de s of t he par t A and B c o nt ainer st ir t he Allow to cure at room temperature for 48 hours, or cure c o ntent s unt il ho m o genous. Use a paint shaker in an oven at one of these time/temperature options: if available. Temperature 65 C 80 C 100 C 2. M easure 1 par t by vo lume of t he par t A and p our into t he mi x ing c o nt ainer. Ensure all c o ntent s are Time 2 h 1 h 30 min t r ansfer re d by sc r aping t he c o nt ainer. 3. M easure 1 par t by vo lume of t he par t B and p our Storage and Handling into t he mi x ing c o nt ainer. Ensure all c o ntent s are Sto re b et ween 16 and 27 C in a dr y area, away f ro m t r ansfer re d by sc r aping t he c o nt ainer. sunli ght (see S DS). 4. T ho roughly and gent ly mi x par t s A and B to get her. Avoi d int ro duc ing air bubble s. 5. To de - air, let sit fo r 15 minute s o r put in a vac uum c hamb er at 25 inH g fo r 2 minute s. 6. If bubble s are pre sent at t he to p, break t hem gent ly w it h t he mi x ing paddle. 7. Pour t he mi x ture into a c o nt ainer ho l ding t he c o mp o nent s to b e prote c te d. 8. Cl o se t he par t A and B c o nt ainer s t i ght ly b et ween use s to prevent sk inning. If c r yst alliz at i o n /so li di fi c at i o n o c c ur s, re c o nst itute t he pro duc t by war ming to b et ween 5 5 and 6 5 C unt il it b e c o me s f ully re - li qui fi e d. Let t he mater ial c o o l to ro o m temp er ature b efo re mi x ing, to prevent fl ash c ure. M i x ing >1 kg at a t ime de c rease s wo r k ing li fe and c an lead to a fl ash c ure. Limit t he size of hand - mi xe d Disclaimer batc he s. Fo r larg e pro duc t i o n vo lume s, c o nt ac t M G T his info r mat i o n is b e li eve d to b e ac c ur ate. It is Chemic als Te c hnic al Supp o r t fo r as sist anc e. intende d fo r profe s si o nal end - user s w ho have t he sk ills re quire d to evaluate and use t he dat a pro p er ly. M .G . Chemic als Ltd. do e s not guar antee t he ac c ur acy of t he dat a and as sume s no liabilit y in c o nne c t i o n w it h damage s inc ur re d w hile using it . ISO 9001:2015 Quality Management System. Burlington, Ontario, Canada SAI Global File: 004008 10 December 2021 / Ver. 3.0 2 Viscosity (cP)