Product Description

D-380 resin is a ISO-NPG unsaturated polyester resin, which is a special resin used in the production of gel coat.
It has good water resistance and mechanical strength, suitable for the production of FRP water-resistant gel coat.

The technical data of liquid resin

projects	unit	index	Test method
appearance	--	Light yellow clear liquid	GB/T 8237.4.1.1
viscosity	25ºC,Pa.s	0.40~0.70	GB/T7193.1
Acid Value	MgKOH/g	8~16	GB/T2895
Gel time	25ºC,min	7~15	GB/T 7193.6
Solids content	%	57~63	GB/T 7193.3

Gel time: 50% Cyclohexanone peroxide: 4% accelerator E1:4%

Properties of resin casting bodies(for reference)

Projects	unit	Measured value	Test method
Barcol hardness	--	44	GB 3854-83
Thermal deformation temperature	ºC	90	GB 1634-04
Flexural Strength	MPa	120	GB/T 2570-95
Tensile strength	MPa	60	GB/T 2568-95

Remarks:  The method of casting bodies making sample must be implemented on the basis of GB 8237-87.
curing system: curing agent  55%   MEKPO:2%   AcceleratorE1:2%
post curing system: 60ºC×4 hour + 100ºC×4hour

Referenced formulas
Portion
D-380 Unsaturated polyester resin for gel coat                    100
Silica powder 2-6

The transportation should adhere to relative items in the five chapters of Hazardous chemicals safety management regulation of the state council. The resin should be stored under 25ºC cooling place and far from fire and heat source. The quality guarantee period is 3 months (according to the certificate of quality)

Water Resistance ISO-Npg Upr Resin for Gelcoat