S701 High Performance PVC Plastic Raw Material Particles, Translucent Soft PVC Particles for Light Strips and Rain Shoes

Product Description

Product Description

 

Polyvinyl chloride (PVC) is the third most produced synthetic polymer plastic in the world (after polyethylene and polypropylene), producing approximately 40 million tons of PVC per year. PVC is a polymer of vinyl chloride monomer (VCM) polymerized in peroxide, azo compound and other initiators or under the action of light and heat according to free radical polymerization reaction mechanism.
 

Product Parameters

PVC is a white powder with an amorphous structure, low branching degree, relative density of around 1.4, and a glass transition temperature of 77-90 ºC. It begins to decompose at around 170 ºC and has poor stability to light and heat.

The molecular weight of PVC produced in industrial production has high polydispersity and no fixed melting point. It begins to soften at 80-85 ºC, becomes viscoelastic at 130 ºC, and transforms into a viscous flow state at 160-180 ºC; Has good mechanical properties, with a tensile strength of around 60MPa and an impact strength of 5-10kJ/m2; Has excellent dielectric properties.
 

 

PVC	Test Condition	Test Method	Value	Unit
Physical Performance
Density		ASTM D792	1.05	g/cm³
Melt Index	220ºC, 10kg	ASTM D1238	19	g/10min
Mechanical Performance
Tensile Strength	23ºC	ASTM D638	47	MPa
Elongation	23ºC	ASTM D638	25	%
Flexural Strength	23ºC	ASTM D790	76	MPa
Flexural Modulus	23ºC	ASTM D790	2200	MPa
Izod Notch Impact	23ºC	ASTM D256	21	KJ/m²
Thermal Performance
H.D.T		ASTM D648	95	ºC
Vicat		ASTM D1525	105	ºC

 

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