Name: Two Part RTV Concrete Stamp Mats Mold Making Liquid Polyurethane Rubber
Brand: MINGCHENG GROUP LIMITED
SKU: MC-PU70
Price: 6.95 USD
Availability: InStock

Клиента посвящение во-первых, нововведение.

Поставщик делая & бросая материалов профессиональной прессформы силикона MC

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Two Part RTV Concrete Stamp Mats Mold Making Liquid Polyurethane Rubber

Подробная информация о продукте:

Место происхождения:	Китай
Фирменное наименование:	MC SILICONE
Сертификация:	SGS,REACH
Номер модели:	MC-PU70

Оплата и доставка Условия:

Количество мин заказа:	240 кг
Цена:	negotiable
Упаковывая детали:	20 кг, 200 кг/барабан
Время доставки:	5-8 рабочих дней
Условия оплаты:	Л/К, Т/Т, западное соединение
Поставка способности:	4000 в день

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Подробное описание продукта

Пункт №.:	MC-PU70	Твердость:	70 берег а
Цвет:	Светло-желтый	Соотношение смешивания:	1:1
Рабочее время:	20-30 минут	Время отверждения:	16-24 часа
Вязкость:	2500 CPS

Product Description

Two Part RTV Concrete Stamp Mats Mold Making Liquid Polyurethane Rubber

Description:

Polyurethane liquid rubber also called urethane rubber, it consists of A&B component, B is curing agent, and A is polyurethane prepolymer. it can be used as a concrete or cement brick stamping mold as well as for making hard durable rubber parts for machinery or automotive applications.

Characteristics:
It has excellent processing properties, solid in common temperature, shorter gel time, and regulating color by adding pigment. The ware has good properties of abrasive resistance, hydrolysis resistance, transparent, good resilience, stable dimension.

Application:
Substitute for Silicon rubber to make the mould of "cultural stone". It also applies to electrical equipment potting, rubber rollers, Ski and snowboard ,rubber plates, rubber wheels, shoe models and others.

A	Type	MCPU40 A	MCPU50 A	MCPU60 A	MCPU70 A	MCPU80 A	MCPU90 A
	Appearance	Colorless or light yellow transparent liquid
	Viscosity(30ºC)mPa·s/	2500±300
B	Type	MCPU40 B	MCPU50 B	MCPU60 B	MCPU70 B	MCPU80 B	MCPU90 B
	Appearance	Light yellow liquid
	Viscosity(30ºC)/mPa·s	560±200
Ratio A:B(mass ratio)		1:1
Appearance		Light yellow
Operation temperature/ºC		25~40
Gel time(30ºC)^*/min (variable)		25-30	25-30	25-35	20-30	8-14	6-9
Hardness (shore A)		40±3	50±3	60±3	70±3	80±3	90±3
Tensile strength/MPa		4-7	5-8	5-8	8-11	9-14	18-25
Elongation at break/ %		500-600	400-500	300-400	250-350	350-550	400-500
Tear strength/(kN/m)		18-22	18-22	20-25	26-30	50-60	70-85
Rebound/ %		30-35	30-35	30-35	30-35	36-40	32-35
Specific gravity(25ºC)(g/ cm³)		1.18

USE INSTRUCTIONS
1.Shake both A and B sides vigorously.
Shake or stir well before use The liquid components may settle in the containers during storage. Let it sit a few minutes to let any bubbles rise to the surface after shaking the container.
2.Measure out equal parts, by volume, of A and B into clean plastic or metal containers.
Combine both sides into a third clean mixing container and mix vigorously for at least one minute, taking care to scrape the sides and bottom of the mixing container with your mixing utensil, until the product is one uniform color.

Notes:
1.Always wear a respirator or self -contained breathing apparatus when working with urethanes.
2.Use between 65F and 75F in a humidity-controlled environment.
3.It is always best to mix the material by hand, with a plastic or metal mixing utensil.Avoid mixing with drill motors because of the friction they generate, mixing with electric drills can start the exothermic cure process and cause the product to cure in the mixing container.
4.Don't vary the mix ratio. Unlike some polyester resins, altering the mix ratio to vary the cure cycle will not work with urethanes.
5.Mix in clean plastic containers. Paper cups and wooden mixing utensils may contain moisture which can adversely affect the urethane rubber. Avoid waxed paper cups because the wax may melt and contaminate the rubber.
6.Air bubbles in urethanes are almost always caused by moisture. Do everything possible to avoid moisture getting into the mix.
7.Replace the lids onto the containers promptly after use. Do not use the urethane rubber during rainy days or times of high humidity.
8.Avoid pouring against an unsealed water based product such as plaster or hydrocal. Seal plaster or hydrocal with a product like Krylon Clear Acrylic.
9.Avoid mixing a large batch-The larger the batch, the more exotherm or heat is generated in the cure cycle. If you are making a large mold, mix small batches to make the process more manageable.

PACKAGE AND STORAGE:

Store in cool and dry place. If you can't use one drum up at a time, please inject N2.The storage time of original packing is 6months.
1.Re-cap the bottles immediately after use.
2.Extend-It aerosol nitrogen blanket can be used to protect the product from moisture contamination.
Packing:20Kg/drum or 200Kg/drum.

Two Part RTV Concrete Stamp Mats Mold Making Liquid Polyurethane Rubber 3

ABOUT US
DONGGUAN MINGCHENG GROUP LIMITED is dedicated to manufacturing and R&D a wide variety of mold making and casting materials, such as RTV-2 liquid silicone mold rubbers, liquid polyurethane mold rubbers, silicone fluid, electronic potting silicone compound, foams, release agent and so on. These materials can be used for reproduction of any original model to cast PU resin, polyester resin, epoxy resin, concrete, plaster, foam, wax, soap and all the other decorative mouldings.

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