AOC Palapreg P 104-02 Bisphenol A Vinyl Ester Resin for SMC/BMC

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Product Properties

P 104-02 is a bisphenol A vinyl resin that is soluble in styrene. Hyakusai P 104-02 has high reactivity and medium viscosity.

major application

P 104-02 is specially developed for SMC/BMC. It has low heat distortion, high toughness, and excellent chemical and heat resistance. Brylonite P 104-02 is especially suitable for automobile engine parts. The resin can be thickened with magnesium oxide.

Product Specification

performances	realm	unit (of measure)	Test Standards
exterior condition	quiet	-	TM 2265
Viscosity 23℃	900-1100	mPa.s	TM 2013
inherent	62-65	%	TM 2033
acid value	9-15	mgKOH/g	TM 2401
Gel time, 80-140°C Cure Time, 80-PT exothermic peak	120-180 180-240 270-290	Seconds Seconds ℃	TM 2261

Note: Reactivity at 130°C: 1.0g TXC(AKZO-Nobel) in 100g resin

Liquid resin properties (typical values)

performances	numerical value	unit (of measure)	Test Standards
Storage period (uninitiated, in the dark), 20°C	3	moon	-
flash point	33	℃	TM 2800

Resin casting body properties (typical values)

performances	numerical value	unit (of measure)	Test Standards
tensile strength	75	MPa	ISO 527-2
Tensile modulus of elasticity	3500	MPa	ISO 527-2
Elongation at break	2.7	%	ISO 527-2
bending strength	120	MPa	ISO 178
Bending modulus of elasticity	3600	MPa	ISO 178
Impact strength (without notch)	10.0	KJ/m²	ISO 179
heat distortion temperature	130	℃	ISO 75A
glass transition temperature	160	℃	ISO 537
barcolithic hardness	44	-	-

Curing conditions: room temperature curing 24 hours, curing after 80 ℃ 24 hours
Test conditions: temperature 23±2℃, relative humidity 50±5%

SMC Initial Paste Recommended Formulation

individual parts making up a compound	weights
Palapreg P 104-02	70
H 814-902	30
TBPB	1.5
Zinc stearate	4
calcium bicarbonate Ca(HCO3)2	150
Magnesium oxide paste (35% active magnesium oxide content)	2.5

Mechanical Properties of SMC Molded Products (Typical)

Test items	test value	unit (of measure)	Test Methods
Glass fiber content	30	%	-
bending strength	220	MPa	ISO 178
bending modulus	13	GPa	ISO 178
External Glass Fiber Strain	2.8	%	ISO 178
tensile strength	100	MPa	ISO 527-2
tensile modulus	10	GPa	ISO 527-2
Elongation at break	1.8	%	ISO 527-2
Impact strength, notched	110	kJ/m²	ISO 179
shrinkage	0.01	%	DIN 53464

Instructions for use and precautions

P 104-02 can be used in combination with other PYROXY grades of low shrinkage agents to produce low shrinkage/low ripple products.
It is recommended that a higher than normal amount of MgO be added to speed up the thickening process of the system.

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