Description: NV series is a blend of nitrile rubber and PVC. The rubber compound is vulcanized with the vulcanizing agent is added (the vulcanizing agent is selected according to the process requirements).
Applications: NV rubber and plastic blend rubber has excellent properties such as oil resistance, Ozone resistance & excellent weather resistance, high strength and high hardness, so it is suitable for manufacturing oil pipes, rubber pipes, wires and cables, sheaths, belts, soles, rollers and other products.
Special properties:
Excellent abrasion & tear resistance
Excellent ozone & weather resistance
Excellent grease and solvent resistance
Excellent antistatic property
Good low temperature resistance
Excellent in flame retardancy
Rapid calendering and extrusion and smooth surface
The storage stability is good
Characteristics:
| Product name |
NV2355 |
NV3355A |
NV5090 |
| Type |
NBR+PVC |
| B-AN% |
23 |
33 |
50 |
| ML 1+4@100ºC |
55±10 |
55±10 |
90±5 |
| Color |
Yellow |
Light yellow |
White |
Vulcanization performance:1. Sulfur, overspeed thiuram accelerators TMTD and TETD, and sulfenamide accelerators are added.
2.Accelerator CZ and thiazole accelerator DM were vulcanized at 170 ºC@ 6 min.
Standard formula
| Name of raw material |
NV2355 |
NV3355A |
NV5090 |
| Basic copy, phr |
| Rubber-plastic blend |
100 |
80 |
100 |
| Nitrile rubber, N3350 |
|
20 |
|
| Carbon black reinforcing agent, N550 |
55 |
55 |
10 |
| Functional filler PF81 |
/ |
10 |
/ |
| Natural Gas Semi-Reinforcement, N770 |
/ |
/ |
55 |
| Silica, 136 |
5 |
10 |
/ |
| Plasticizer, Sanepar758 |
20 |
25 |
/ |
| Plasticizer, Sanepar756 |
/ |
/ |
30 |
| Zinc oxide, ZNO |
5 |
5 |
5 |
| Stearic acid, STA |
1 |
1.5 |
1.5 |
| Antioxidant, RD |
1 |
1 |
1 |
| Antioxidant, 4010 NA |
1.5 |
1.5 |
1 |
| Protective agent, paraffin |
2 |
1 |
3 |
| Internal release agent, 985P |
1 |
1.5 |
/ |
| Resin, HM601 |
2 |
/ |
/ |
| Vulcanizing agent, S-80 |
0.65 |
0.62 |
/ |
| Vulcanizing agent, MC-2 |
/ |
/ |
0.5 |
| Accelerator, TMTD |
1.2 |
1 |
0.9 |
| Accelerator, DM |
0.65 |
0.5 |
/ |
| Accelerator, TETD |
/ |
/ |
0.9 |
| Accelerator, CZ |
1.5 |
1.2 |
1.6 |
Product performance: NBR + PVC compound and vulcanized rubber
| Product name |
NV2355 |
NV3355A |
NV5090 |
| Project |
Test method |
Unit |
Typical value |
| Mooney viscosity (ML 1+4@ 100 ºC) |
42 |
35 |
31 |
| Sulfur change performance test: 180 ºC × 5min × 1arc |
| Minimum torque |
ASTM D2048 |
lb-in |
0.38 |
0.25 |
0.21 |
| Maximum torque |
lb-in |
4.78 |
4.77 |
5.64 |
| Scorch time TS2 |
Sec |
77 |
77 |
59 |
| Optimum vulcanization time TC90 |
Sec |
114 |
116 |
111 |
| 1. Mechanical properties 1.1 175 ºC × 5 min after vulcanization |
| Specific gravity |
ASTM D297 |
g/cm3 |
1.201 |
1.249 |
1.226 |
| Hardness (Shore A) |
ASTM D2240 |
Points |
65 |
65 |
55 |
| Tearing strength |
ASTM D412 |
Kg/cm2 |
11.56 |
12.41 |
14.84 |
| Elongation at break |
% |
441 |
561 |
650 |
| M100 |
Kg/cm2 |
3.49 |
2.57 |
2.35 |
| 1. Mechanical properties 1.2 changes in properties after aging at 100 ºC for 70 hours |
| Hardness (Shore A) Change |
ASTM D2240 |
Points |
+8 |
+5 |
+5 |
| Change in breaking strength |
ASTM D412 |
% |
-22.5 |
-15.4 |
-12.05 |
| Change in elongation at break |
ASTM D412 |
% |
-24.5 |
-20.75 |
-20.74 |
| 2. Oil resistance 2.1 Performance change after aging in ASTM 901 oil at 100 ° C for 70 hours |
| Hardness (Shore A) Change |
ASTM D2240 |
Points |
+5 |
+3 |
+2 |
| Change in breaking strength |
ASTM D412 |
% |
+5.75 |
+3.29 |
+1.07 |
| Change in elongation at break |
ASTM D412 |
% |
-20.78 |
-14.79 |
-9.87 |
| Change in volume change rate |
ASTM D471 |
% |
-10.24 |
-4.28 |
-2.08 |
| 2. Oil resistance 2.2 Performance change after aging in ASTM 903 oil at 100 ° C for 70 hours |
| Hardness (Shore A) |
ASTM D2240 |
Points |
-9 |
-5 |
-3 |
| Tearing strength |
ASTM D412 |
% |
7.78 |
10.08 |
12.89 |
| Elongation at break |
ASTM D412 |
% |
324 |
478 |
579 |
| Volume change rate |
ASTM D471 |
% |
+25.8 |
+19.54 |
+14.78 |
| 2. Performance change of oil-resistant 2.3 after aging in fuel C at 40 ºC for 48 hours |
| Volume change rate |
ASTM D471 |
% |
+38.89 |
+34.23 |
+30.69 |
| 3. The compression permanent deformation is 100 ºC for 70 hours (the vulcanization condition of the sample used in the experiment meets 170 ºC × 10 min). |
| Compression Set |
ASTM D395 |
% |
39.74 |
40.79 |
45.34 |
| 4. Ozone resistance 80pphm × 20% elongation × 40 ºC × 120 hours |
| Whether it is cracked |
ASTM D1171 |
/ |
No |
No |
No |
| 5. Low temperature retraction performance |
| TR10 |
GB/T 7758 |
ºC |
-48 |
-42 |
-43 |
Packing: NBR + PVC rubber and plastic blend shall be packed and transported in 25 kg/carton.
Storage and shelf life :NBR + PVC rubber and plastic blends in unopened original packaging at a temperature below 40 ° C from the date of production indicated on the packaging .Keep for 18 months from the date of expiration.
Q: Are you a factory or trading company?
A: We are rubber raw material manufacturer and owned 3 factories.
Q: Where is the loading port and How do you ship the goods?
A: Our factory is nearby Shanghai Port, but loading port can be negotiated. We could ship by sea, by air or by express(EMS, UPS, DHL, TNT, FEDEX and etc). Please confirm with us before placing orders.
Q: How can we guarantee the products' quality?
A: All the products must be tested refers to key specifications during the production and final inspection before shipment.
Q: What about the lead time?
A: It depends on the order quantity you place the order. Usually sample needs 5-8 working days, mass production needs 15-30 days.
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