Laboratory Ceramics

At Winwin Speciality Insulators (WSI), we take immense pride in being one of the foremost manufacturers of TR Series Solidcore post insulators as per ANSI standard. With a commitment to excellence, innovation, and the highest industry standards, we have established ourselves as a trusted name in the electrical insulation industry.

WSI Expertise

  • Quality Standards

    One key aspect we emphasize is the thermal shock resistance of our materials, as outlined in DIN 51068. This property measures how our laboratory ceramics respond to the stresses induced by rapidly changing temperature fields during heating and cooling processes. Our commitment to delivering longevity and durability is evident in our dedication to achieving excellent thermal shock properties, mitigating the risk of cracking.

  • Innovation

    In today's dynamic market, we continually strive for innovation. Our unyielding focus on refractoriness and resistance to physical and chemical wear ensures that WSI products meet the highest standards. We uphold these standards through rigorous quality checks at every stage, from raw materials to the forming process, culminating in final product inspection. To support this commitment, we have established a state-of-the-art testing and development centre, along with a pilot plant. Our products undergo continuous testing to meet the stringent requirements of DIN 12851 regulations, which define the criteria and testing procedures for laboratory equipment made of hard porcelain (C110).

  • Customization

    Customization is at the heart of our offerings. In addition to showcasing our Laboratory Porcelain product range on the following pages, we provide tailored solutions to meet our customers' specific requirements. Discover the excellence of WINWIN Speciality Insulators, where precision meets innovation in the world of laboratory ceramics:

WSI Laboratory Ceramics Range

Drawings are ‘not to scale’
Values specified are only for informative purpose. Please send enquiries to get specific product detail
Maximum Temp 200°
When Ordering, Please specify whether the grinding surface should be glazed or unglazed.

Designation Units WS-LABC 0055-00 WS-LABC 0055-0A WS-LABC 0055-01 WS-LABC 0055-02 WS-LABC 0055-03 WS-LABC 0055-04 WS-LABC 0055-05 WS-LABC 0055-6A WS-LABC 0055-08 WS-LABC 0055-11 WS-LABC 0055-15
Size No Number 0 0A 01 2 03 4 5 6A 8 11,00 15
Standard Din 12.906 -- -- 12.906 -- 12.906 12.906 12906 12.906 12.906,00 12.906
Inner Ø Ø mm 50 65 70 80 90 115 130 150 180 240,00 330
Height mm 32 40 45 50 55 63 65 70 80 100,00 140
Capacity (Approx) ml 20 70 75 100 170 300 400 700 1 26,00 6
SU unglzaed 20 20 20 10 10 10 5 5 2 1,00 1
SU Glazed 10 10 10 10 10 5 5 5 1 1,00 1

Drawings are ‘not to scale’
Values specified are only for informative purpose. Please send enquiries to get specific product detail
Maximum Temp 200°
When Ordering, Please specify whether the grinding surface should be glazed or unglazed.

Designation Units WS-LABC 0056-0C WS-LABC 0056-0B WS-LABC 0056-0A WS-LABC 0056-01 WS-LABC 0056-02 WS-LABC 0056-03 WS-LABC 0056-04 WS-LABC 0056-05 WS-LABC 0056-6A WS-LABC 0056-08
Size Number 0C 0B 0A 1 2 3 04 05 6A 08
Standard Din -- 12906 -- 12.906 12.906 12.906 -- -- 12906 --
Length mm 100 115 125 135 150 175 180 185 210 215
Head Ø mm 22 24 28 30 36 42 45 48 55 60
SU Unglazed 20 20 20 20 10 10 10 5 5 2
SU Glazed 10 10 10 10 10 10 5 5 5 1

Drawings are ‘not to scale’
Values specified are only for informative purpose. Please send enquiries to get specific product details.
Tmax depends on the application.
Maximum Temp 400°
Semi-deep, with spout, size, 5/0-5 glazed inside and outside size 6-10 glazed except outside base

Designation Units WS-LABC 0109-50 WS-LABC 0109-40 WS-LABC 0109-0A WS-LABC 0109-0B WS-LABC 0109-0C WS-LABC 0109-01 WS-LABC 0109-02 WS-LABC 0109-04 WS-LABC 0109-05 WS-LABC 0109-06 WS-LABC 0109-6A WS-LABC 0109-7B WS-LABC 0109-09 WS-LABC 0109-10
Size No Number 50 40 0A 0B 0C 01 2 04 5 06 6A 7B 9 10
Din Standard 12.903 12.903 12903 -- 12903 -- 12.903 -- 12.903 -- 12903 12903 12.903 12.903
Inner Ø mm 40 50 63 70 80 85 100 110 115 150 160 200 250 310
Height mm 16 20 25 26 34 35 40 45 47 45 64 80 86 110
Capacity Approx. ml 10 20 40 50 75 95 115 220 310 370 640 1 2.200 3.400
SU Unglazed 100 100 100 100 100 100 50 50 10 10 5 5 2 2

Drawings are ‘not to scale’
Values specified are only for informative purpose. Please send enquiries to get specific product details.
French shape, with spout and round base, glazed inside and outside
Tmax depends on the application.
Maximum Temp 400°

Designation Units WS-LABC 0130-03 WS-LABC 0130-05 WS-LABC 0130-06 WS-LABC 0130-07
Size No Number 3 5 6 7
Inner Ø mm 75 97 110 125
Height mm 40 50 52 60
Capacity Approx. ml 70 190 270 350
SU Unglazed 10 10 10 10

Drawings are ‘not to scale’
Values specified are only for informative purpose. Please send enquiries to get specific product details.
French shape, with spout and round base, glazed inside and outside
Tmax depends on the application.
Maximum Temp 400°

Designation Units WS-LABC 0131-02 WS-LABC 0131-03 WS-LABC 0131-04 WS-LABC 0131-05 WS-LABC 0131-06 WS-LABC 0131-07 WS-LABC 0131-08
Size No 2 3 4 5 6 7 8
Inner Ø mm 58 75 84 97 110 125 150
Height mm 24 30 36 40 50 52 60
Capacity Approx. ml 30 60 100 150 250 290 400
SU Unglazed 20 20 10 10 10 10 5

Drawings are ‘not to scale’
Values specified are only for informative purpose. Please send enquiries to get specific product detail
Glazed except outside base
Tmax depends on the application.
Maximum Temp 400°

Designation Units WS-LABC 888-0A WS-LABC 888-0B WS-LABC 888-0C WS-LABC 888-02 WS-LABC 888-04 WS-LABC 888-06 WS-LABC 888-6A WS-LABC 888-08 WS-LABC 888-09 WS-LABC 888-10
Size No 0A 0B 0C 2 4 6 6a 8 9 10
Inner Ø mm 12903 12903 12903 12.903 12.903 12.903 12903 12.903 12.903 12.903
Height mm 40 50 63 80 100 125 160 190 240 300
Capacity Approx. ml 9 11 13 20 22 27 35 55 65 60
SU Unglazed 5 10 20 40 80 270 450 1.100 1.750 2.500

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