2021年1月25日、RUBBER & PLASTICS NEWSのトップページに掲載されました - CUSTOM 成形ゴム

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Our Blog

Blog on the Latest Rubber Topics
and Design Technologies

The COi Rubber Blog is where you’ll learn about molded rubber products and more. Topics include molded part design, elastomer selection, and injection, compression, and transfer molding of custom rubber products for OEMs.

COi Rubber、Napoleon Castilloの10年近くの功績を表彰

21 10月 2026

David C

Napoleonの10年近くの功績を表彰

What to Include in a Custom Rubber Part RFQ

20 10月 2026

David C

A clear custom rubber part
Plastic dog-bone specimens shown in the ASTM D638 tensile testing video

How to Compare Plastic Tensile Data Before an RFQ

20 10月 2026

David C

Compare ASTM D638 plastic tensile
Digital micrometer measuring a part

ASTM D471：石油および流体がゴムに与える影響

18 10月 2026

David C

ASTM D471 explained: how rubber
Latex collected in a cup from a tapped rubber tree

EPDM vs シリコンゴム：どちらを選ぶべきですか？

18 10月 2026

David C

EPDM vs silicone rubber: where
Rubber tensile strength test per ASTM D412

ゴム 引張強さ の 伸び 試験方法（ASTM D412）

17 10月 2026

David C

How ASTM D412 tests rubber
Compression set test per ASTM D395

ゴムには何 圧縮永久ひずみ が入っていて、なぜシールが故障するのですか？

17 10月 2026

David C

Compression set measures how much
David Chao at a trade show in front of an agricultural harvester

ゴム貿易展

19 8月 2022

David C

アメリカの番組のライブリスト
kpmg-autmotive-related-rubber

KPMG Automotive Related Rubber – COi Review

24 2月 2021

David C

Automotive rubber industry trends monitor
rubber_container_world

Rubber and Plastic Containers imported to USA

23 2月 2021

David C

2021 rubber and plastic imports
Rubber manufacturing news

Rubber and Plastic News – US Minority Rubber Manufacture

22 2月 2021

David C

COi Rubber's journey in rubber
Molding Rubber Coi

Transfer Molded Rubber Parts Market Share

18 2月 2021

David C

Transfer molded rubber market share
fire resistant rubber - burning rubber

Can rubber conduct electricity?

17 2月 2021

David C

Is rubber an electrical insulator?
trade war us china manufacturing

The Trade War Between the U.S. and China (and Its Effect on Rubber)

21 12月 2018

David C

Tariffs and the rubber market
quote for rubber

方法：ゴムの見積もりを取得する方法

26 10月 2018

David C

What a rubber quote needs
neoprene vs natural rubber

Neoprene vs Natural Rubber in Applications

26 10月 2018

David C

Neoprene versus natural rubber compared
natural rubber vs synthetic rubber

Natural Rubber vs Synthetic Rubber

12 10月 2018

David C

Natural versus synthetic rubber differences
can rubber freeze

Can Rubber Freeze in Low Temperature?

12 10月 2018

David C

How cold affects rubber seals
where rubber comes from

Where Rubber Comes From

14 9月 2018

David C

Natural rubber comes from trees
rubber industry growth

What is Rubber Used For?

31 8月 2018

David C

Everyday products made from rubber
sourcing offshore manufacturing rubber equipment list

Sourcing Offshore Manufacturers

10 8月 2018

David C

Pros and cons of offshoring
Automotive NVH Rubber

NVH Rubber Bumper Design: A Case Study

3 8月 2018

David C

Fixing a squeaking rubber bumper
rubber vibration absorbers, vibration isolators, vibration dampers

Why Rubber Is Used As Vibration Absorbers

2 8月 2018

David C

Why rubber absorbs vibration well
fire resistant rubber - burning rubber

どのゴムが耐火性があるか

1 8月 2018

David C

耐火性ゴムの比較
rubber deterioration

Rubber Deterioration in an Air Oven – Test Method

3 7月 2018

David C

Air oven aging test method
Rubber water test ASTM D471

Rubber Property – Effects of Liquids – D471

27 6月 2018

David C

ASTM D471 liquid immersion testing
ASTM D2000 rubber classification explained

ASTM – Rubber Guidelines

26 6月 2018

David C

ASTM D2000 rubber classification guide
Durometer shore hardness applications

Rubber Durometer of Rubber Hardness

8 4月 2018

David C

How rubber hardness is measured
hot runner vs cold runner

Hot Runner vs Cold Runner Molding Systems

13 1月 2017

David C

Hot runner versus cold runner
Rubber product design example: lamps

Rubber Product Design Guidelines

8 12月 2016

David C

Design rules for molded rubber
Digital micrometer measuring a part

Tolerance Factors for Molded Rubber Products

3 11月 2016

David C

What affects molded rubber tolerances
EPDM chemical structure

Ultra-High MW EPDM as a Replacement for NR

27 10月 2016

David C

EPDM as natural rubber alternative
Vertical rebound resilience tester

Rubber Engineering: Resilience & Hysteresis

13 10月 2016

David C

How rubber rebounds and heats
Medical rubber device

Why Custom Molding Works Well in Medical Devices

21 9月 2016

David C

Why molding suits medical devices
Rubber stoppers for medical vials

Rubber Molding for Medical Devices

21 9月 2016

David C

Molded rubber for medical devices
Rubber firewall grommets

Rubber Grommets for Hoses, Wiring, and Cabling

21 9月 2016

David C

Grommets protect hoses and wiring
Product design tolerance

Tight Tolerance for High Quality Molded Products

15 9月 2016

David C

Choosing the right molding tolerance
Injection molding machine

Origins of the Rubber Molding Machine

29 8月 2016

David C

From injection molding to rubber
Rubber business deal

Get Involved with the Rubber Industry

26 8月 2016

David C

Choosing a rubber supplier partner
Custom rubber solutions

Benefits of Custom Rubber Molding

24 8月 2016

David C

Why choose custom rubber molding
Rubber wire grommets

Custom Rubber & Plastic Grommets

23 8月 2016

David C

Are custom grommets right for
Rubber injection molding

How To Mold Rubber

15 8月 2016

David C

How rubber is molded
Stack of used tires for recycling

Why Is Recycling Rubber Necessary?

15 8月 2016

David C

Why rubber recycling matters
Choosing a rubber supplier

What to Look For in a Rubber Supplier

11 8月 2016

David C

Checklist for choosing rubber suppliers
Latex collected in a cup from a tapped rubber tree

Natural and Synthetic Rubber Compounds Used by Rubber Manufacturers

9 8月 2016

David C

Natural and synthetic rubber types
Compression molding of rubber

圧縮成形 定義された

27 7月 2016

David C

Compression molding explained simply
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