Specifications

1.DCPD
2.Low styrene volatility
3.High heat resistance
4.Good water resistance
5.suit for winding and hand lay up

 DS-663 is  unsaturated polyester resin with medium viscosity,medium reactivity,excellent glass imbibitions  to glass fibers and de-foaming performance,particularly applicable to winding glass fibers reinforced,sand mixed pipes and glass steel products,with the advantages of high toughness,good water resistance etc

Technical Indexes of Liquid Resin
Item	Unit	Value	Standard
Appearance		Transparent Sticky Thick Liquid	Visual
Chroma (Pt-Co)
Acid Value	mgKOH/g	17-23	GB2895-82
Viscosity(25°C)	mPa.S	500-800	GB7193.1-87
Gel Time	min	7-10	GB7193.6-87
Non-Volatile	%	66-72	GB7193.3-87
Thermal Stability(80°C)	h	≥24	GB7193.5-87
Note: Gel Time is 25°C; in air bath, 0.5 ml cobalt isocaprylate solution and 0.5 ml MEKP solution were added into 50 g resin.

 

Performance Indexes of Resin Casting Substance
ItemItem	Unit	Value	Standard
Barcol hardness  ≥	Barcol	28	GB3854-1983
Tensile strength ≥	MPa	50	GB2568-1995
Tensile modulus ≥	MPa	2600	GB2568-1995
Elongation at break≥	%	3.0	GB2568-1995
Flexural strength ≥	MPa	80	GB2570-1995
Flexural modulus≥	MPa	3000	GB2570-1995
Impact strength ≥	KJ/m2	5	GB2571-1995
H.D.T ≥	°C	75	GB1634-1989
Note: Environmental Temperature for Experiment: 23±2°C; relative humidity: 50±5%

 

 

Packing and Storing

DS-663: Packed in metal pail of 220 KG net weight with shelf life of 6 months at 20°C at ventilated places; avoiding direct sunlight and heat or fire.

Note: The data were tested according to GB standard. Influenced by many factors in the process of fabrication, necessary researches by user are not exclusive. Legally, no warranties for some performances of product are applicable to one specific use, and the rights to amend the materials are reserved.