AOC Palatal? P 92I-909 Unsaturated Polyester Resin with Isoprene Neopentyl Glycol for Light Curing Pipe Repair

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Unsaturated polyester resins of m-phenylene neopentyl glycol type for light-curing pipe rehabilitation
P92 I-909 Resin-Based Composites Provide Rapid Repair of Drainage Lines in No-Excavation Conditions

Characteristic performance

Controlled thickening properties

Controlled process operating time

Quickly impregnates glass fibers

The desired size can be obtained

High long-term service performance retention

typical application

Palatal? P 92 I-909 is particularly suitable for FRP products with outstanding chemical resistance and high mechanical strength in tanks, vessels, hydraulic engineering, piping, shipbuilding, corrosion protection and the electronics industry.
Palatal? P 92 I-909 can be used exclusively for the production of glass fiber reinforced prepregs. This prepreg is ideally suited for the rehabilitation of sewer pipes.

Product Indicators

performances	numerical value	unit (of measure)	Test Methods
exterior condition	open (non-secretive)	-	TM_2265
Solid content	52.0-55.0	%	TM_2033
Infrared Drying Viscosity @23℃	650-750	mPa.s	TM_2013
Gel Time (25-35°C)	7-11	min	TM_2500
peak exothermic temperature (physics)	180-210	°C	TM_2500

Notes:
Viscosity test: S 2/100 s-1/23°C
Reactivity determined by UV test lamp (300w, Osram)

Typical Properties of Liquid Resins

performances	numerical value	unit (of measure)	Test Methods
Refractive index, 23°C	1.5390	-	2150
flash point	33	°C	TM 2800
storage period	6	moon	-
volumetric shrinkage	8.0	%	Pref-VS

Typical Properties of Pure Resin Casting Body

performances	numerical value	unit (of measure)	Test Methods
tensile strength	85	MPa	ISO 527-2
tensile modulus	3.6	GPa	ISO 527-2
Tensile elongation at break	5.6	%	ISO 527-2
bending strength	150	MPa	ISO 178
bending modulus	4	GPa	ISO 178
Heat Distortion Temperature HDT	107	°C	ISO 75-2
Glass transition temperature Tg	130	°C	ISO 6721-2
Unnotched impact strength	20	kJ/m2	ISO 179

Curing conditions

1, 100g resin with 1.0 ml CHP-NA (Peroxid-Chemie GmbH) and 0.1 ml cobalt isooctanoate solution (1% diluted in styrene). Post-curing: 100°C for 24 hours

Process Operation Guide

Appropriate additives (e.g., paraffin solutions) must be added in order for products using Palatal? P 92 I-909 resin to be non-tacky after curing on the natural molding surface in contact with air.

Palatal? P 92 I-909 can be cured with conventional curing agents and low energy UV light (wavelength 365-420nm). If the resin is not exposed to direct sunlight, the operating time duration can be extended to several hours. Curing where direct sunlight or UV exposure is not required can be achieved by adding 0.5 ml of tert-butyl peroxy-2-ethylhexanoate (e.g. Arkema's Luperox 26 or AkzoNobel's Trigonox 21) to 100 g of resin. The addition of small amounts of peroxide is recommended for all applications where low styrene residues are required. If a small amount of peroxide is added to the resin, it can be post cured at 80oC for a few hours for better performance.

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