AOC PALATAL? K 775 V 02 Bisphenol A Epoxidized Vinyl Ester Resin

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Chemical/Physical Properties

Palatal? K 775 V-02 is an epoxidized vinyl ester resin based on bisphenol A, dissolved in styrene. The resin has medium reactivity and medium viscosity.
Palatal? K 775 V-02 is pre-promoted with amines.

major application

Palatal? K 775 V-02 is primarily used for chemical anchoring. It is also suitable for fiber-reinforced coatings and body fillers/putties.
The resin exhibits excellent mechanical properties and high chemical resistance, especially to alkaline media. Laminates made from Palatal? K 775 V-02 have excellent long-term heat resistance.

license

Cured non-reinforced Palatal? K 775 V-02 Type 1310 according to DIN 16946/2 and classified in Group 5 according to DIN 18820/1.

Product specifications at the time of delivery

causality	realm	unit (of measure)	TM
exterior condition	open (non-secretive)	-	2265
Color, Lico 200	0 - 7	G	2017
index of refraction	1.5580 - 1.5630	-	2150
Viscosity, 23°C	390 - 490	mPa.s	2013
Solid Content, IR	59 - 62	%	2033
Curing time from 25 to 35°C	4.5 - 8.5	Min	2625
Cure Time from 25°C to Peak	7 - 12	Min	2625
peak temperature	125 - 150	°C	2625

note
Viscosity measurement: S 2/100 s-1/23°C
Reactivity was determined by adding 2 g of Perkadox CH 50 (AKZO-Nobel) to 100 g of resin.

Properties of liquid resins (typical values)

causality	(be) worth	unit (of measure)	TM
flash point	About 33	°C	2800
Stable, no initiator, dark, 25°C	6	Mon	-

Properties of cast unfilled resins (typical values)

causality	(be) worth	unit (of measure)	TM
tensile strength	95	MPa	ISO 527-2
tensile modulus	3.6	GPa	ISO 527-2
Elongation at break	6.1	%	ISO 527-2
bending strength	150	MPa	ISO 178
bending modulus	3.4	GPa	ISO 178
Bending elongation	6.5	%	ISO 178
Impact strength - unnotched sample	28	kJ/m2	ISO 179
Heat Deflection Temperature (HDT)	105	°C	ISO 75-A
Glass transition temperature (Tg)	130	°C	DIN 53445

Curing conditions
Mechanical properties depend on resin rather than amine acceleration.
Cure with 2 ml of Butanox LPT (AKZO-Nobel) and
Add 1 ml of cobalt caprylate solution (styrene solution of 1% Co) to the
100 grams of resin. Curing at room temperature for 24 hours
120°C for 24 hours

working (of machinery)

Palatal? K 775 V-02 usually exhibits a tack-free cure. However, the surface may not be fully cured.
To ensure a tack-free cure on surfaces exposed to air, a suitable additive (e.g. paraffin solution) should be added.
The final cured state can be optimized by post-curing at high temperatures (e.g. 80 or 100°C) for several hours.
Palatal? K 775 V-02 is pre-promoted with amines and can be cured with common peroxides based on benzoyl peroxide (BP). It must be taken into account that fillers, color pigments and other additives not only affect the shelf life of the resin, but also its curing characteristics.

Pre-use Guide

The resin should be conditioned at a well-defined, application-dependent temperature (MEKP/Co curing is usually done at a minimum temperature of 15 °C). Curing at lower temperatures is possible with BP-peroxide curing.

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