Tek140 A – Tek140B PU Black Potting Resin

Tek 140A – Tek140B

 

Tek140 is a polyurethane casting resin system for encapsulation of low and medium voltage  electrical cables and equipment as well as electronic circuits. Available in sealed twin-pack aluminium foil or in individual aluminium foil pouches (Tek140)

 

Description

 

Colour:                Polyol Tek140A: Black         Tek140B: Dark Brown

 

Mixing Ratio:      Tek140A                    100,00 by weight

                                    Tek140B                       25,00

 

Viscosity:             Tek140           12000 to 15000 mPa.s at 25 Deg. C

Pot Life:               15 minutes

Gelation Time:     20 to 30 minutes at 25 Deg. C (Test tube Gelnorm DIN 16945)

Setting Time:       4 to 5 hours at 25 Deg. C    

Full Cure Time:   3 to 5 days at 25 Deg. C (500 Grams)

 

 

CHARACTERISTICS after CURE

(Post – curing for 24 h at 80 Deg. C) Approximate values

 

Hardness:                                         80 Shore D

 

Impact Strength:                              15 KJ/m2

 

Dielectric Strength:                          17 KV / mm (Approx.)

 

Martens Distortion Temperature:   50 Deg. C

 

Cold water absorption:                    15 mg (24 h at 25 Deg. C)

 

Packing:  Tek140D (200g)   Tek140F (500g)

 

The above data are offered for customer’s guidance only. It implies no guarantee. Customers must conduct their own tests to determine the suitability of the material for their specific applications.