Description
Polyvinyl chlorides is high molecular compounds polymerized with structural element as CH2-CHCLn,degree of polymerization usually as 590-1500.In the process of re-polymerization ,affected by kinds of factors such as the polymerization process, reaction conditions, reactant composition, additives etc.it can produce eight different types of PVC resin performance is different.
Items | SG3 | SG5 | SG7 | SG8 |
K value | 72-71 | 68-66 | 62-60 | 59-55 |
Viscosity Number (ml/g) | 135-127 | 118-107 | 95-87 | 86-73 |
Average degree of polymerization | 1370-1251 | 1135-981 | 845-741 | 740-650 |
Number of impurity substance | ≤16 | ≤16 | ≤20 | ≤20 |
Mass fraction of volatiles (including water) | ≤0.30 | ≤0.40 | ≤0.40 | ≤0.40 |
Appearance density | ≥0.45 | ≥0.48 | ≥0.50 | ≥0.50 |
Number of "fish eye" | ≤20 | ≤20 | ≤30 | ≤30 |
Whiteness(160ºC,10min)% | ≥78 | ≥75 | ≥75 | ≥75 |
VCM residue | ≤5 | ≤5 | ≤5 | ≤5 |
Packing | 25kgs two layers draft paper bag or 1000kgs PP bag |
Package
25kgs, 40kgs,50kgs/PP or customized
Application
SG-1 is used in producing high-grade electrical insulating material
SG-2 is used in producing electrical insulating material, common soft products and film
SG-3 is used in producing electrical insulating materials, agricultural film, daily-use plastic products,
SG-4 is used in producing membranelle for industrial and civil use, tube and pipes
SG-5 is used in producing transparent products section bar, hard tube and decorative materials
SG-6 is used in producing clear foil, hard board and welding rod
SG-7, SG-8 is used in producing clear foil, hard injection molding.
Our Advantages
FAQ
1) Can we print our logo on the product ?
Of course, we can do it. Just send us your logo design.
2) Do you accept small orders?
Yes. If you are a small retailer or starting up business,We are definitely willing to grow up with you. And we are looking forward to co-work with you for a long term relationship.
3) How about the price? Can you make it cheaper?
We always take the customer's benefit as the top priority. Price is negotiable under different conditions, we are assuring you to get the most competitive price.
4) Do you offer free samples?
A 5Stars Review = A Free Sample
It's appreciated that you could write us positive reviews if you like our products and service, we will offer you some free samples on your next order.
5) Are you able to deliver on time?
Of course!we specialised in this line for many years,many customer make a deal with me because we can deliver the goods on time and keep the goods top quality!
6) What are your payment terms ? Any third party payment ?
We usually accept T/T, Alibaba trade assurance, Western Union, L/C.