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* Made to Order

ELECTRICAL POLYURETHANE RESIN GUIDE - PROPERTIES
ALCHEMIE PRODUCT CODE
DESCRIPTION
COLOUR

SHORE HARDNESS

MIXED VISCOSITY
(Poise @ 25°C)

USABLE LIFE (mins @ 25°C)

NO FLOW TIME (Mins @ 25°C)
STANDARD POLYURETHANE RESINS
PU7210 A+B* General enncapsulation resin exhibting good electrical properties with totally non-toxic resin. Black 60D 100 20 40
PU7220 A+B* Toughest low viscosity system. Grey 55-65D 15 8 15
PU7230 A+B Glass like finish, best de-gasing charateristics of the range. Black 55D 8 20 40
PU7240 A+B* Very hard, tough system with high density, large volume potting. Beige 86D 46 30 90
PU7241 A+B Fast cure, highest heat resistance of the range. Black 85D 15 8 15
PU7242 A+B* Very fast cure, good for small, high volume potting. Beige 85D 40 3 4
PU7247 A+B Very fast cure for small, high volume potting. Beige 85D 40-50 3 4
PU7250 A+B* Semi-flexible adhesive, retaining all electronic properties. Beige 45D 20 15 20
PU7260 A+B* General purpose encapsulant with glass like finish. Black        57D 10 15 20-30
PU7270 A+B General electrical encapsulant. flame retardant, excellent adhesion, low stress thermal cycling. Black 80D 10 35 50
PU7271 A+B* Hard, UV stable, flame retardant, impact resistance with good adhesion Black 82D 10 30 50
PU7301 A+B* High quality encapsulation, good surface qualified to UL. Black 50D 15 20 30
PU7302 A+B* Same resin as PU7301 with a natural pigment. Beige 50D 15 30 50
PU7330 A+B Good electronic encapsulation, low viscosity and good surface finish. Black 50D 15 30 60
PU7331 A+B* Similar to PU7330 but having a lower viscosity, and exhibiting better de-gasing. Black 50D 10 30 60
PU7351 A+B Soft elastomer providing good adhesion to chrome and PVC. Cream 65A 30 20 30
WATER RESISTANT RESIN SYSTEMS
PU7400 A+B* Low temperature resin, the best water resistance of the range, very good in marine applications. Black 50D 130 30 60
PU7410 A+B* Lower viscosity version of PU7400. Black 85A 15 20 30
RE-ENTERABLE RESINS
PU7419 A+B* Tough water resistant rubber, long potlife and low viscosity. Straw 30-40A 25 25 90
PU7420 A+B A glass clear, digoutable system allows components to be fully visible even in operation. Water Clear 10A 10 20 30
PU7450 A+B* Flame retardant, digoutable system. Green 40A 18 30 60
PU7461 A+B* Transparent dig-outable for delicate components. Clear 10A 3 35-40 4hrs
UNFILLED/LOW VISCOSITY SYSTEMS
PU7220 A+B Toughest system within the range. Grey 60D 15 8 15
ELECTRICAL POLYURETHANE RESIN GUIDE - PROPERTY RATINGS
* Properties rated on a sliding scale. 1 = Poor - 5 = Excellent
ALCHEMIE PRODUCT CODE
 THERMAL CONDUCTIVITY * HEAT RESISTANCE * FLAME RETARDANCY * CHEMICAL RESISTANCE * ADHESION *
STANDARD POLYURETHANE RESINS
PU7210 A+B* 2 3 4 2 4
PU7220 A+B* 2 3 2 2 3
PU7230 A+B 3 3 4 2 4
PU7240 A+B* 4 5 3 3 5
PU7241 A+B 3 5 2 3 5
PU7242 A+B* 3 3 2 3 5
PU7247 A+B 3 5 2 3 5
PU7250 A+B* 1 3 1 2 5
PU7260 A+B* 3 2 3 3 3
PU7270 A+B 3 2 5 2 4
PU7271 A+B* 3 2 5 2 5
PU7301 A+B* 3 3 UL94-V0 2 4
PU7302 A+B* 3 3 UL94-V0 2 4
PU7330 A+B 3 3 3 3 4
PU7331 A+B* 3 5 3 3 4
PU7351 A+B 3 3 2 2 3
WATER RESISTANT RESIN SYSTEMS
PU7400 A+B* 3 3 5 3 3
PU7410 A+B* 1 3 5 3 3
RE-ENTERABLE RESINS
PU7420 A+B* 1 2 1 2 2
PU7450 A+B* 3 2 4 2 2
PU7461 A+B* 1 2 1 3 5
UNFILLED/LOW VISCOSITY SYSTEMS
PU7220 A+B 2 3 2 2 3

 
Alchemie
email: sales@alchemie.com