Set up in 1995, Tonglu Valves Manufactring Co.,Ltd. is one of the leading China pipe insulation manufacturer and supplier in Yongjia County of Zhejiang Province. We manufacture all products strictly conforming to the API, JIS, ANSI, BS, GB, NF and DIN standards. Our oem pipe insulations are available to users on request and are used for municipal works, petroleum, chemical industry, power station, metallurgy, national defense, and scientific research fields.

TRYMER polyisocyanurate pipe insulation is a closed-cell, high-performance insulation for pipe, vessel, equipment and duct applications. Dow offers a complete line of TRYMER pipe insulation products in a selection of densities and compressive strengths. TRYMER pipe insulation features one of the lowest ambient k-factors among all pipe insulations: 0.19 BTU·in/hr·ft2·°F at 75°F mean temperature (0.027 W/m·°C at 24°C) and can be used over a broad temperature range from -297°F to 300°F (-183°C to 148°C).
In addition to superior thermal conductivity (low k-factor and high R-value), TRYMER polyisocyanurate pipe insulation products feature:
Very good flame spread/smoke developed performance
Closed-cell and non-fibrous structure
Exceptional moisture resistance (to both liquid and vapor)
Strength and durability
Fabrication ease
Ease of installation and maintenance
Effective coverage of elbows and fittings
Long life span
Low initial and life-cycle cost
Excellent chemical resistance
Hydrocarbon blowing agents, which have no ozone-depletion potential

This pipe insulation is a flexible elastomeric thermal insulation
Black in color
Supplied as unslit tubing
In nominal wall thicknesses of 3/8in., 1/2in., 3/4in., and 1in.
In popular sizes up to 6in. IPS
The tubing is made of nitrile/pvc blend
The expanded closed-cell structure of this makes it an efficient insulation
The insulation has a flame-spread rating of 25 or less and a smoke-developed rating of 50 or less
It can be used to retard heat gain and control condensation drip from cold-water plumbing, chilled-water, and refrigeration lines
It also efficiently reduces heat flow for hot-water plumbing, liquid-heating and dual-temperature piping
Temperature:
The recommended temperature usage range is -70F to +220F
Pricing is per 6ft long standard length
IPS refers to a tubing inside diameter to fit over the indicated pipe size (ie. 2in IPS = 2-3/8ID)

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