Specifications

1.Orthophthalic
2.Good imbibition to packing.
3.Applicable to the washbowl.
4.Good filling performance

 

DS-758 is an orthophthalic type unsaturated polyester resin with good packing and defoaming performances, applicable to the manufacture of artificial marbles, water trough etc.  

 

Technical Indexes of Liquid Resin
Item	Unit	Value	Standard
Appearance		Transparent Sticky Thick Liquid	Visual
Chroma (Pt-Co)		25-35	GB7193.7-92
Acid Value	mgKOH/g	20-23	GB2895-82
Viscosity(25°C)	mPa.S	650-800	GB7193.1-87
Gel Time	min	5-7	GB7193.6-87
Non-Volatile	%	67-69	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	35	GB3854-1983
Tensile strength ≥	MPa	52	GB2568-1985
Tensile modulus ≥	MPa	2800	GB2568-1995
Elongation at break≥	%	8.0	GB2568-1995
Flexural strength ≥	MPa	68	GB2570-1995
Flexural modulus≥	MPa	2800	GB2570-1995
Impact strength ≥	KJ/m2	10.0	GB2571-1995
H.D.T ≥	°C	60	GB1634-1989
Note: Environmental Temperature for Experiment: 23±2°C; relative humidity: 50±5%

 

Packing and Storing

DS-758: 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.