OIL SEAL
The U-Cup can be used to seal the piston rod or plunger of the cylinder in heavy-duty mobile hydraulics and industrial hydraulics.Features :
Lower friction & Lower heat generation
Excellent dynamic and static sealing
Suitable for sealing systems with double scraper
Back pumping ability over the entire pressure range achieved
by grooved profile
The Detailed Index of PU Material |
Material |
Color |
Hardness |
Work Temperature |
Density |
Elongation at break |
Elastic Modulus |
Wear & Tear |
/ |
/ |
Shore A |
ºC |
g/cm³ |
% |
N/mm³ |
mm³ |
Standard |
/ |
DIN53505 |
/ |
EN ISO 1183 |
DIN53504/53455 |
DIN53504 |
DIN ISO4649 |
Polyurethane |
PU |
Green |
A95±2 |
-30~110 |
1.2 |
≥450 |
12 |
18 |
High temperature hydrolyzable polyurethane |
HPU |
Red |
A95±2 |
-20~110 |
1.2 |
≥330 |
≥13 |
17 |
Cast polyurethane |
G-PU |
Red |
A95±2 |
-30~110 |
1.2 |
≥280 |
≥11 |
25 |
Low temperature resistant polyurethane |
T-PU |
Blue |
A95±2 |
-50~110 |
1.17 |
≥450 |
≥12 |
15 |
Self-lubricating polyurethane |
S-PU |
Gray-Black |
A95±2 |
-20~110 |
1.23 |
400 |
17 |
21 |
Ultra-high hardness polyurethane |
X-PU |
Dark Green |
A97±2 |
-30~110 |
1.21 |
400 |
21 |
18 |
Ultra-high hardness High temperature hydrolyzable polyurethane |
XH-PU |
Dark Red |
A97±2 |
-20~110 |
1.22 |
350 |
25 |
20 |
Ultra-high hardness Self-lubricating polyurethane |
XS-PU |
Gray-Black |
A97±2 |
-20~110 |
1.25 |
350 |
25 |
29 |










Q1: Are you a factory or a trader?
A: We are a manufacturer integrating industry and trade. Welcome to visit our company.
Q2: Can I add my LOGO to the product?
A: We support on-demand customization, including LOGO customization, color customization, appearance size customization, etc.
Q3: What payment methods do you support?
A: We support T/T, Western Union, PayPal, cash, etc. The details can be negotiated.
Q4: What are your modes of transportation?
A: We usually choose the appropriate mode of transportation (sea, air, land) according to the conditions of the goods, or we can choose the mode of transportation according to your requirements.
Q5: How can I get an accurate quotation?
A: You can first send your specific demand information and product pictures, and we will customize a solution for you according to your needs and inform you of the specific price.