Prince Rubber and Plastics - Custom Manufacturer and Fabricator of Rubber and Plastic Products for Industry
 
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Rubber Stoppers &
Stopper Gaskets


PRINCE RUBBER & PLASTICS for over 80 years, continues to support Medical, Laboratory, Pharmaceutical, Chemical and Industrial markets with Standard, Custom Molded and Machined Fabricated Stoppers.

> Rubber Stopper Dimensions
> Custom Drilling & Fabrication
> Special Size Stopper Molds



Stock Inventory:
• Standard Solid Molded Stoppers
• Standard 1 or 2 through hole Stoppers
• Standard sizes range from 000 to #16
• Black Rubber, Neoprene, Pure Gum

Custom Specifications:
• Custom Molded Stoppers
• Machine Fabricated Stoppers
• Sizes up to 30” and even larger
• Other materials available

Your size, specifications, material required and quantity can be produced either by machining and fabricating a standard stopper or by custom molding to your requirements. Contact our sales department with your inquiry.

Request our small rubber parts handbook for shapes, profiles and dimensions to meet your small rubber parts and extrusion requirements.

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Rubber Stopper Dimensions

 
Top
Bottom
Length
Diameter
in MM
Approx.  No. Per Pound
Size No.
Inches
MM
Inches
MM
Inches
MM
1-Hole
2-Holes
Black Rubber
Green Neoprene
Tan Pure Gum
000
1/2
12. 7
5/16
8.2
13/16
21
3
-
183
160
226
00
19/32
15
13/32
10
1
25
3
3
106
95
132
0
21/32
17
1/2
13
1
25
3
3
76
68
95
1
3/4
19
9/16
14
1
25
4
4
64
57
81
2
25/32
20
5/8
16
1
25
5
5
52
48
67
3
15/16
24
23/32
18
1
25
5
5
39
35
49
4
1
26
3/4
20
1
25
5
5
33
30
42
5
1-1/16
27
29/32
23
1
25
5
5
28
25
35
5-1/2
1-7/64
28
31/32
24
1
25
5
5
25
23
32
6
1-1/4
32
1-1/32
26
1
25
5
5
21
19
26
6-1/2
1-11/32
34
1-1/16
27
1
25
5
5
19
17
24
7
1-7/16
37
1-3/16
30
1
25
5
5
15
14
20
7-1/2
1-1/2
39
1-1/8
31
1
25
5
5
14
13
19
8
1-5/8
41
1-5/16
33
1
25
5
5
12
12
16
8-1/2
1-11/16
43
1-13/32
36
1
25
5
5
11
11
15
9
1-3/4
45
1-15/32
37
1
25
5
5
10
10
13
9-1/2
1-13/16
46
1-1/2
38
1
25
5
5
9
9
13
10
1-31/32
50
1-5/8
42
1
25
5
5
8
8
11
10-1/2
2-5/64
53
1-3/4
45
1
25
5
5
7
7
10
11
2-13/64
56
1-7/8
48
1
25
5
5
6
6
8
11-1/2
2-15/32
63
2
50
1
25
5
5
5
5
7
12
2-1/2
64
2-1/8
54
1
25
5
5
5
5
7
13
2-11/16
68
2-9/32
58
1
25
5
5
4
4
6
13-1/2
2-31/32
75
2-7/16
62
1-3/8
35
5
5
3
3
4
14
3-1/2
90
3
75
1-1/2
39
5
5
9-1/2  Oz.
11 Oz.
7-3/4  Oz.
15
4
103
3-1/4
83
1-1/2
39
5
5
12-1/2 Oz.
13-1/2 Oz.
9-3/4  Oz.
16
5
127
3-1/2
90
2
50
5
5
21-1/4 Oz.
23-1/2 Oz.
17-1/2 Oz.
   
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Custom Drilling & Fabrication

We have many size hole drills available to drill any size stopper.

We offer custom machine fabricated stoppers and small machine fabricated rubber parts. When small to medium quantities are needed these fabrication  options eliminate the cost of custom molding. We fabricated from most any elastomeric rubber with no limitation on size.

Our other custom molded and  fabricated rubber parts capabilities include:
Plugs, Sleeves, Washers, Bumpers, Ferrules, Seals, Spacers and Lathe cut gaskets.

Stock  Drill Sizes Available

1/8"
5/16"
9/16"
15/16"
1- 9 /16"
.0144"
21/64"
19/32"
1"
1- 3/4"
5/32"
11/32"
5/8"
1 1/8"
1- 7/8"
3/16"
3/8"
11/16"
1- 3/16"
2"
7/32"
13/32"
23/32"
1 -1/4"
2- 1/16"
1/4"
7/16"
3/4"
1- 3/8 "
2- 1/4"
.0297"
1/2"
13/16"
1- 7/16"
2- 3/8"
9/32"
17/32"
7/8"
1- 1/2"
3"
* Note: Holes will be slightly tapered depending on the hole size, stopper size, and the grade of material.

Specifications of Laboratory Stopper Grades
DETAILS RUBBER PURE GUM NEOPRENE
Color
Black
Tan
Light Green
Durometer
43 +/- 5
40 +/- 5
45 +/- 5
Free Sulphur
1/2 %
1/4 %
None
Known Impurities
None
None
None
   
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Special Size Stopper Molds

LOD
SOD
Length
Hole Diameter *
2-3/4"
2-1/8"
2-3/8"
1-3/16"
3-3/16"
2-15/16"
1"
2-1/4"
3-1/2"
3-1/8"
1"
2-3/8"
3-1/2"
3-1/8"
1"
2-1/2"
4-5/16"
3-1/8"
2-3/4"
1-3/16"
4-3/4"
4-1/4"
1-1/2"
3-1/4"
4-3/4"
4-1/4"
1-1/2"
3-7/16"
4-3/4"
4-1/4"
1-1/2"
3-3/4"
4-3/4"
4-1/4"
1-1/2"
4-1/6"
5-11/16"
4-3/4"
2-3/8"
3-1/2"
5-7/8"
5-3/8"
1-1/2"
5"
5-7/8"
5-3/8"
1-1/2"
4-1/2" tapered
to 4-3/8"
6-1/4"
5-3/4"
1-1/2"
4-1/2"
6-1/2"
5-5/16"
4"
1-3/16"
6-1/2"
5-5/16"
4"
3/8"
6-1/2"
5-5/16"
4"
4" bottom * 3/8" top
6-1/2"
5-5/16"
4"
4-1/2"
6-1/2"
5-5/16"
4"
4-7/8"
6-1/2"
5-5/16"
4"
5-3/16"
6-7/8"
6-3/8"
1-1/2"
5-1/2"
* Note: Above stoppers can be provided solid (no hole) on inquiry.

 

 




Northern Headquarters: USA

Prince Rubber & Plastics Co., Inc.
137 Arthur Street
Buffalo, NY 14207

Tel: (716) 877-7400
Fax: (716) 877-0743
Email: contact@princerp.com
Web: www.princerp.com


|
Southern Division: USA

Prince Rubber & Plastics Co., Inc.
11400 Richcroft Drive
Baton Rouge, LA 70814

Tel: (225) 272-1653
Fax: (225) 272-1938
Email: batonr@princerp.com
Web: www.princerp.com
|
Canada

Industrial Plastics Canada Ltd.
625 Industrial Drive • PO Box 93
Fort Erie, Ontario L2A 5M6

Tel: (905) 871-0412
Fax: (905) 871-6494
Email: ipcl@princerp.com
Web: industrialplasticscanada.com
 

 
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