Specifications

1.Orthophthalic
2.High strength
3.Low contraction
4.High luster and high H.D.T
5.Applicable to SMC/BMC mould plastic

DS-822N resin is a high-class orthophthalic type unsaturated polyester resin with high viscosity and reactivity. The products have low contraction, high luster and high H.D.T, applicable to SMC/BMC mould plastic, and the manufacture of electrical switches, bumpers, radar antennas, chair, water boxes etc.

 

Technical Indexes of Liquid Resin
Item	Unit	Value	Standard
Appearance		Transparent Sticky Thick Liquid	Visual
Chroma (Pt-Co)		40-60
Acid Value	mgKOH/g	17-23	GB2895-82
Viscosity(25°c)	mPa.S	1400-1600	GB7193.1-87
Gel Time	min	5-8	GB7193.6-87
Non-Volatile		65-68	GB7193.3-87
Thermal Stabilityility( 80°c)	h	≥48	GB7193.5-87
Note: Gel Time is 25°c; in air bath, 0.75 ml cobalt isocaprylate solution and 0.75 ml MEKP solution were added into 50 g resin.

 

 

 

 

 

Performance Indexes of Resin Casting Substance
ItemItem	Unit	Value	Standard
Barcol hardness  ≥	Barcol	38	GB3854-1983
Tensile strength ≥	MPa	65	GB2568-1985
Tensile modulus ≥	MPa	3000	GB2568-1995
Elongation at break ≥	%	2.5	GB2568-1995
Flexural strength ≥	MPa	100	GB2570-1995
Flexural modulus ≥	MPa	3200	GB2570-1995
Impact strength ≥	KJ/m2	10.0	GB2571-1995
H.D.T ≥	°c	120	GB1634-1989
Note: Environmental Temperature for Experiment: 23±2°c; relative humidity: 50±5%

 

 

 

Packing and Storing
DS-822N: 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.