SG3 SG5 SG8 Soft PVC Resin Paste Grade High Molecular Polymer For
Toys
Description
According to residual content of vinyl chloride menomerl in
polyvinyl chloride resin , is can be divided into:commercial grade,
food hygiene grade and medical application grade.In appearance,
polyvinyl chloride resin is white powder.Polyvinyl chloride is high
molecular compounds polymerized by vinyl chloride monomer (VCM)
with structural element as [CH2-CHCL]n,degree of polymerization
usually as 590-1500.According to residual content of vinyl chloride
menomerl in polyvinyl chloride resin , is can be divided
into:commercial grade, food hygiene grade and medical application
grade.In appearance, polyvinyl chloride resin is white powder.
Applications:
1. PVC resin SG3 is used for soft material, pvc sheet, pvc film,
leather,tubes, table cloth, tape.
2. PVC resin SG5 is general type.
Mainly used for pipe and windows structural section.
Also it can be used for electric insulation material, tubes,
artificial leather.
Specifications:
| Items | SG-5 | SG-3 | SG-7 | SG-8 |
Viscosity index/(ml/g) K-value Average degree of polymerization ≤ | 118-107 68-66 1135-981 | 135-127 72-71 1370-1251 | 95-87 62-60 845-741 | 86-73 59-55 740-650 |
| Number of impurity particles≤ | 16 | 16 | 20 | 20 |
| Volatile component/%≤ | 0.40 | 0.30 | 0.40 | 0.40 |
| Apparent density / (g/cm3) ≥ | 0.48 | 0.45 | 0.50 | 0.50 |
Sieve residue /% (0.25mm sieve pore≤ /0.063mm sieve pore≥ ) | 2.0/95 | 2.0/95 | 2.0/95 | 2.0/95 |
| Number of grain(fish eye)entries/400cm2≤ | 20 | 20 | 30 | 30 |
| Absorbing amount of plasticizer for 100resin(g)≥ | 19 | 26 | 12 | 12 |
| Whiteness (160℃,10min)/% ≥ | 78 | 78 | 75 | 75 |
| VCM residue /(μg/g)≤ | 5 | 5 | 5 | 5 |
Package,transported and storage
Package:packed with woven bag with a net weight of 25Kgs(±0.20Kg).
Transportation:transported with motor vehicle,train or ship.
Storage:stored in a normal temperature and dry warehouse.
Quality standard
The product meets GB/T 5761-2006 standard with its physical and
chemical properties meeting requirement in table below:
1. The user can choose any one from vifscosity number, K value
,index of average polymerizapion degree.
2. The user can confer with the manufacture if they have other
index ,requirement ,on thermal stability.
