AOC PALAPREG? P 17-02 Low Bump Float SMC/BMC Molding Resin

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Chemical/Physical Properties

Palapreg? P 17-02 is an unsaturated polyester resin derived from phthalic acid and standard ethylene glycol, dissolved in styrene. Palapreg? P 17-02 has medium viscosity and high reactivity.

major application

Palapreg P 17-02 is used in the production of SMC and BMC. It is mainly used with Palapreg polymer components for SMC/BMC applications with low shrinkage or low relief. The resin is easily thickened by magnesium oxide.

Product specifications at the time of delivery

causality	realm	unit (of measure)	Test Methods
Viscosity, 23°C	1300 - 1500	mPa.s	2013
Chromaticity, APHA	0 - 140	-	2017
Solid content, IR	63 - 66	%	2033
exterior condition	open (non-secretive)	-	2265
water content	0.04 - 0.07	%	2350
Acid value (so)	15 - 19	mg KOH/g	2401
stickiness	450000 - 900000	mPa.s	2914A
Gel time, 130°C	65 - 110	unit of angle or arc equivalent one sixtieth of a degree	2261
peak time	110 - 155	unit of angle or arc equivalent one sixtieth of a degree	2261
peak temperature	265 - 290	°C	2261

Remarks:
Viscosity: Z2/100/23°C
Reactivity: Determined by adding 1 gram of TBPB to 100 grams of resin.
Typical Values Refractive Index (23°C - TM 2150) = 1.523 - 1.527

Properties of liquid resins (typical values)

causality	numerical value	unit (of measure)	TM
Density, 20°C	1100	kg/m3	2160
flash point	33	°C	2800
Stability, Not Started, Dark, 25°C	3	months	-

Properties of unfilled resins (typical values)

causality	numerical value	unit (of measure)	TM
Density, 20°C	1200	kg/m3	DIN 53479
bending strength	100	MPa	ISO 178
bending modulus	3.8	GPa	ISO 178
Outer fiber strain	2.8	%	ISO 178
tensile strength	60	MPa	ISO 527-2
Tensile modulus of elasticity	3.8	GPa	ISO 527-2
Elongation at break	1.7	%	ISO 527-2
Impact strength - unnotched specimen	8	kJ/m2	ISO 179
Heat Deflection Temperature (HDT)	140	°C	ISO 75-A
Glass transition temperature (Tg)	170	°C	ISO 537

Properties of SMC molded parts (typical values)

causality	numerical value	unit (of measure)	TM
Glass content	30	%	-
Density, 20°C	1700	kg/m3	DIN 53479
bending strength	200	MPa	ISO 178
bending modulus	13	GPa	ISO 178
Outer fiber strain	2.7	%	ISO 178
tensile strength	100	MPa	ISO 527-2
Tensile modulus of elasticity	11	GPa	ISO 527-2
Elongation at break	1.9	%	ISO 527-2
Impact strength - unnotched specimen	110	kJ/m2	ISO 179
Molding shrinkage	0.25	%	DIN 53464
Glass transition temperature (Tg)	200	°C	DIN 53445
Coefficient of linear thermal expansion (0-60°C)	23-10-?	K-1	DIN 53752/A
bulk resistivity	101?	Α-cm	DIN 53482
surface resistance	1012	Α	DIN 53482
Comparative Leakage Index	CTI 600	-	DIN IEC 112

Properties of SMC molded parts (typical values)

ingredient	weights
Palapreg? P 17-02	100
TBpB	1.5
Styrene	5
Polyethylene powder	5
Calcium carbonate	150
Zinc stearate	4
MgO-paste (35% MgO content) (MgO-paste (35% MgO))	3

Processing:

Palapreg? P 17-02 is typically used for standard SMC/BMC or with Palapreg? polymer solution for low shrinkage/low bulge SMC and BMC.Typically, the ratio of Palapreg? P 17-02 to polymer solution is 60:40, but this can be adjusted if necessary.
Depending on the size of the molded part, it is recommended that 300 to 600 ppm of para-benzoquinone (calculated on the basis of epoxy resin plus thermoplastic solution) be added to the system.

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